{"id":243769,"date":"2026-04-07T17:36:17","date_gmt":"2026-04-07T15:36:17","guid":{"rendered":"https:\/\/drain-master.de\/2026\/04\/07\/vpd-cannabis-tabulka-a-navod-pro-dokonale-klima\/"},"modified":"2026-05-22T10:02:52","modified_gmt":"2026-05-22T08:02:52","slug":"vpd-cannabis-tabulka-a-navod-pro-dokonale-klima","status":"publish","type":"post","link":"https:\/\/drain-master.de\/cs\/2026\/04\/07\/vpd-cannabis-tabulka-a-navod-pro-dokonale-klima\/","title":{"rendered":"VPD konop\u00ed: Tabulka &#038; n\u00e1vod pro perfektn\u00ed klima"},"content":{"rendered":"<article>\n<p class=\"intro\">Spr\u00e1vn\u00e1 kombinace teploty a vlhkosti vzduchu.<\/p>\n<h2>VPD: Motor r\u016fstu rostlin a optim\u00e1ln\u00ed c\u00edlov\u00e9 hodnoty<\/h2>\n<p>Optim\u00e1ln\u00ed hodnota <strong>VPD Cannabis<\/strong> je rozhoduj\u00edc\u00ed, ale \u010dasto p\u0159ehl\u00ed\u017een\u00fd faktor pro explozivn\u00ed r\u016fst a maxim\u00e1ln\u00ed v\u00fdnosy. Zapome\u0148 na chv\u00edli na rigidn\u00ed pl\u00e1ny hnojen\u00ed a slo\u017eit\u00e9 sv\u011bteln\u00e9 cykly \u2013 pokud tv\u00e9 VPD nesed\u00ed, tv\u00e1 rostlina nikdy nem\u016f\u017ee naplno vyu\u017e\u00edt sv\u016fj potenci\u00e1l. Deficit tlaku vodn\u00ed p\u00e1ry je p\u0159\u00edm\u00fd motor, kter\u00fd \u0159\u00edd\u00ed p\u0159\u00edjem \u017eivin tv\u00fdch rostlin a m\u011bl by st\u00e1t v centru tv\u00e9 klimatick\u00e9 kontroly.  <\/p>\n<div class=\"woocommerce columns-1 \"><ul class=\"products columns-1\">\n<li class=\"product type-product post-7400 status-publish first instock product_cat-podlozka product_cat-zahradni-potreby has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/drain-master.de\/cs\/produkt\/stojan-na-odkapavani-drainmaster\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><div class=\"woocommerce-image__wrapper\"><a href=\"https:\/\/drain-master.de\/cs\/produkt\/stojan-na-odkapavani-drainmaster\/\" title=\"DrainMaster v\u010d. vany (konfigurovateln\u00e1 velikost sady)\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><div class=\"shoptimizer-plp-carousel-container\"><div class=\"shoptimizer-plp-image-wrapper\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"DrainMaster Jednotliv\u00e1 sada\" srcset=\"https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2-300x300.jpg 300w, https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2-1019x1024.jpg 1019w, https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2-768x771.jpg 768w, https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2-1529x1536.jpg 1529w, https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2-990x994.jpg 990w, https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2-441x443.jpg 441w, https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2-100x100.jpg 100w, https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2-150x151.jpg 150w, https:\/\/drain-master.de\/wp-content\/uploads\/2023\/04\/DrainMaster-Set_2.jpg 1991w\" sizes=\"(max-width: 360px) 147px, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\n\t<\/div><\/div><\/a><\/div><div class=\"woocommerce-card__header\">\t\t\t\t\t<p class=\"product__categories\"><a href=\"https:\/\/drain-master.de\/cs\/produkt-kategorie\/zahradni-potreby\/podlozka\/\" rel=\"tag\">Podlo\u017eka<\/a>, <a href=\"https:\/\/drain-master.de\/cs\/produkt-kategorie\/zahradni-potreby\/\" rel=\"tag\">Zahradn\u00ed pot\u0159eby<\/a><\/p>\t\t\t\t<div class=\"woocommerce-loop-product__title\"><a tabindex=\"0\" href=\"https:\/\/drain-master.de\/cs\/produkt\/stojan-na-odkapavani-drainmaster\/\" aria-label=\"DrainMaster v\u010d. vany (konfigurovateln\u00e1 velikost sady)\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">DrainMaster v\u010d. vany (konfigurovateln\u00e1 velikost sady)<\/a><\/div><\/a><p class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>24,99\u00a0<span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span><\/bdi><\/span><\/p><\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/243769?add-to-cart=7400\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_7400\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"7400\" data-product_sku=\"DM-01\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cDrainMaster v\u010d. vany (konfigurovateln\u00e1 velikost sady)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDrainMaster v\u010d. vany (konfigurovateln\u00e1 velikost sady)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" role=\"button\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_7400\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t<input type=\"hidden\" class=\"pmwProductId\" data-id=\"7400\">\n\t\t\t\t\t<script data-cfasync=\"false\">\n\t\t\t(window.pmwDataLayer = window.pmwDataLayer || {}).products                = window.pmwDataLayer.products || {};\n\t\t\twindow.pmwDataLayer.products[7400] = {\"id\":\"7400\",\"sku\":\"DM-01\",\"price\":24.99,\"brand\":\"\",\"quantity\":1,\"dyn_r_ids\":{\"post_id\":\"7400\",\"sku\":\"DM-01\",\"gpf\":\"woocommerce_gpf_7400\",\"gla\":\"gla_7400\"},\"is_variable\":false,\"type\":\"simple\",\"name\":\"DrainMaster v\u010d. vany (konfigurovateln\u00e1 velikost sady)\",\"category\":[\"Podlo\u017eka\",\"Zahradn\u00ed pot\u0159eby\"],\"is_variation\":false};\n\t\t\t\t\twindow.pmw_product_position = window.pmw_product_position || 1;\n\t\twindow.pmwDataLayer.products[7400]['position'] = window.pmw_product_position++;\n\t\t\t\t<\/script>\n\t\t<\/div><\/li>\n<\/ul>\n<\/div>\n<h3>Co vlastn\u011b je deficit tlaku vodn\u00ed p\u00e1ry (VPD)?<\/h3>\n<p>P\u0159edstav si VPD jako \u201e\u017e\u00edze\u0148\u201c vzduchu. Je to rozd\u00edl mezi aktu\u00e1ln\u00edm obsahem vodn\u00ed p\u00e1ry ve tv\u00e9m p\u011bstebn\u00edm stanu a maxim\u00e1ln\u00edm mno\u017estv\u00edm, kter\u00e9 by vzduch mohl p\u0159i t\u00e9to teplot\u011b pojmout. M\u011b\u0159eno v kilopascalech (kPa), tato \u201e\u017e\u00edze\u0148\u201c vytv\u00e1\u0159\u00ed tah na listech tv\u00e9 rostliny. Aby rostlina tento tah vyrovnala, otev\u00edr\u00e1 sv\u00e9 pr\u016fduchy (stomata) a uvol\u0148uje vodn\u00ed p\u00e1ru \u2013 proces zvan\u00fd transpirace. Tato transpirace je motorem, kter\u00fd t\u00e1hne vodu a \u017eiviny z ko\u0159en\u016f nahoru. Perfektn\u00ed hodnota <strong>VPD Cannabis<\/strong> tedy znamen\u00e1 perfektn\u00ed rychlost transpirace a t\u00edm i optim\u00e1ln\u00ed z\u00e1sobov\u00e1n\u00ed \u017eivinami.     <\/p>\n<h3>C\u00edlov\u00e9 hodnoty VPD pro ka\u017edou f\u00e1zi tv\u00e9ho p\u011bstov\u00e1n\u00ed<\/h3>\n<p>Pot\u0159eby tv\u00e9 rostliny se m\u011bn\u00ed, a stejn\u011b tak i ide\u00e1ln\u00ed hodnota VPD. Pau\u0161\u00e1ln\u00ed nastaven\u00ed po celou dobu p\u011bstov\u00e1n\u00ed je klasick\u00e1 chyba za\u010d\u00e1te\u010dn\u00edk\u016f. Dr\u017e se t\u011bchto c\u00edlov\u00fdch hodnot podle f\u00e1z\u00ed, abys dos\u00e1hl maxima:  <\/p>\n<ul>\n<li><strong>Semen\u00e1\u010dky & \u0159\u00edzky (0,4\u20130,8 kPa):<\/strong> Mlad\u00e9 rostliny maj\u00ed slab\u00fd ko\u0159enov\u00fd syst\u00e9m. N\u00edzk\u00e9 VPD (vysok\u00e1 vlhkost vzduchu) sni\u017euje transpira\u010dn\u00ed stres a chr\u00e1n\u00ed je p\u0159ed vyschnut\u00edm, zat\u00edmco se zako\u0159e\u0148uj\u00ed. <\/li>\n<li><strong>Vegetativn\u00ed f\u00e1ze (0,8\u20131,2 kPa):<\/strong> Te\u010f chce\u0161 nastartovat r\u016fst. St\u0159edn\u00ed VPD podporuje silnou transpiraci, co\u017e vede k rychl\u00e9mu p\u0159\u00edjmu \u017eivin a explozivn\u00edmu vegetativn\u00edmu r\u016fstu. <\/li>\n<li><strong>Ran\u00e1 kv\u011btn\u00e1 f\u00e1ze (1,0\u20131,4 kPa):<\/strong> Rostlina za\u010d\u00edn\u00e1 tvo\u0159it kv\u011bty a jej\u00ed pot\u0159eba vody a \u017eivin stoup\u00e1. VPD se lehce zvy\u0161uje, aby vyhov\u011blo t\u00e9to pot\u0159eb\u011b, ani\u017e by se p\u0159\u00edli\u0161 zv\u00fd\u0161ilo riziko pl\u00edsn\u00ed. <\/li>\n<li><strong>Pozdn\u00ed kv\u011btn\u00e1 f\u00e1ze (1,2\u20131,6 kPa):<\/strong> V t\u00e9to f\u00e1zi je kontrola vlhkosti vzduchu kl\u00ed\u010dov\u00e1. Vy\u0161\u0161\u00ed VPD (su\u0161\u0161\u00ed vzduch) minimalizuje riziko \u0161ed\u00e9 pl\u00edsn\u011b (Botrytis) a stimuluje rostlinu k produkci v\u00edce prysky\u0159ice a terpen\u016f jako ochrann\u00e9ho mechanismu. <\/li>\n<\/ul>\n<h2>Vz\u00e1jemn\u00e1 souvislost: Jak VPD Cannabis p\u0159\u00edmo ovliv\u0148uje tvou ko\u0159enovou z\u00f3nu<\/h2>\n<p>Profesion\u00e1ln\u00ed p\u011bstitel v\u00ed, \u017ee klima nad listy je neodd\u011bliteln\u011b spojeno se zdrav\u00edm pod zem\u00ed. Rychlost transpirace \u0159\u00edzen\u00e1 VPD diktuje, jak tv\u00e1 rostlina interaguje se substr\u00e1tem. <\/p>\n<h3>VPD a hodnota EC: Nep\u0159\u00edm\u00e1 \u00fam\u011brnost<\/h3>\n<p>Nejd\u016fle\u017eit\u011bj\u0161\u00ed pravidlo zn\u00ed: VPD a hodnota EC (koncentrace \u017eivn\u00fdch sol\u00ed) se chovaj\u00ed nep\u0159\u00edmo \u00fam\u011brn\u011b. Vysok\u00e9 VPD nut\u00ed rostlinu p\u0159ij\u00edmat hodn\u011b vody. Pokud je tv\u00e1 hodnota EC p\u0159\u00edli\u0161 vysok\u00e1, p\u0159ijme toxick\u00e9 mno\u017estv\u00ed \u017eivin, co\u017e vede k pop\u00e1len\u00fdm \u0161pi\u010dk\u00e1m list\u016f. Naopak n\u00edzk\u00e9 VPD vede k mal\u00e9mu p\u0159\u00edjmu vody. Je-li tv\u00e1 hodnota EC p\u0159\u00edli\u0161 n\u00edzk\u00e1, rostlina trp\u00ed nedostatkem \u017eivin. \u0160patn\u00e9 VPD je \u010dasto skute\u010dnou p\u0159\u00ed\u010dinou zd\u00e1nliv\u011b ne\u0159e\u0161iteln\u00fdch probl\u00e9m\u016f s v\u00fd\u017eivou.      <\/p>\n<h3>VPD, hodnota pH a zavla\u017eov\u00e1n\u00ed: Dynamick\u00e1 jednotka<\/h3>\n<p>Rychlost p\u0159\u00edjmu vody ovliv\u0148uje tak\u00e9 stabilitu hodnoty pH v tv\u00e9 ko\u0159enov\u00e9 z\u00f3n\u011b. P\u0159i vysok\u00e9m VPD a rychl\u00e9m p\u0159\u00edjmu m\u016f\u017ee hodnota pH v substr\u00e1tu rychleji kol\u00edsat. To vy\u017eaduje pe\u010dliv\u011bj\u0161\u00ed kontrolu tv\u00e9 odtokov\u00e9 vody. Pro p\u0159esnou pr\u00e1ci je nezbytn\u00fd spolehliv\u00fd m\u011b\u0159ic\u00ed p\u0159\u00edstroj jako <a href=\"https:\/\/drain-master.de\/cs\/produkt\/pc60-z-smart-multiparameter-measuring-device\/\">Apera PC60-Z Smart Multi-Parameter-Messger\u00e4t<\/a>. Tv\u00e1 zavla\u017eovac\u00ed strategie se mus\u00ed tak\u00e9 p\u0159izp\u016fsobit. Vysok\u00e9 VPD vy\u017eaduje \u010dast\u011bj\u0161\u00ed <strong>zal\u00e9v\u00e1n\u00ed konop\u00ed<\/strong>, zejm\u00e9na v substr\u00e1tech jako kokos, aby se zabr\u00e1nilo vyschnut\u00ed a zasolen\u00ed. \u0160patn\u00e9 \u0159\u00edzen\u00ed rychle vede ke stresu, rozpoznateln\u00e9mu podle p\u0159\u00edznak\u016f jako <a href=\"https:\/\/drain-master.de\/cs\/2026\/04\/07\/konopi-svesene-listy-prelite-nebo-podlite\/\">povisl\u00e9 listy konop\u00ed<\/a>.      <\/p>\n<h2>VPD v praxi: P\u00e1ky pro p\u0159esn\u00e9 \u0159\u00edzen\u00ed klimatu<\/h2>\n<p>Teorie je jasn\u00e1, ale jak ji uplatn\u00ed\u0161? \u0158\u00edzen\u00ed VPD je neust\u00e1l\u00e1 rovnov\u00e1ha mezi dv\u011bma hlavn\u00edmi faktory. <\/p>\n<h3>Ovl\u00e1dac\u00ed prvky: Teplota a relativn\u00ed vlhkost vzduchu<\/h3>\n<p>VPD \u0159\u00edd\u00ed\u0161 \u00fapravou teploty a relativn\u00ed vlhkosti vzduchu (rLF). Abys sn\u00ed\u017eil VPD (nap\u0159. pro semen\u00e1\u010dky), zv\u00fd\u0161\u00ed\u0161 vlhkost vzduchu zvlh\u010dova\u010dem nebo lehce sn\u00ed\u017e\u00ed\u0161 teplotu. Abys zv\u00fd\u0161il VPD (nap\u0159. v pozdn\u00ed kv\u011btn\u00e9 f\u00e1zi), sn\u00ed\u017e\u00ed\u0161 vlhkost vzduchu odvlh\u010dova\u010dem nebo zv\u00fd\u0161\u00ed\u0161 teplotu.  <\/p>\n<p><\/p>\n<div class=\"vpd-calculator\" role=\"region\" aria-label=\"VPD kalkula\u010dka\">\n\n    <header class=\"vpd-header\">\n        <h2 class=\"vpd-header-title\">VPD kalkula\u010dka<\/h2>\n        <p class=\"vpd-header-description\">Vypo\u010d\u00edtej deficit sytostn\u00edho dopl\u0148ku pro optim\u00e1ln\u00ed transpiraci.<\/p>\n        <div class=\"vpd-unit-toggle\" role=\"group\" aria-label=\"Temperatur-Einheit\">\n            <button type=\"button\" class=\"vpd-unit-btn\" data-unit=\"C\">\u00b0C<\/button>\n            <button type=\"button\" class=\"vpd-unit-btn\" data-unit=\"F\">\u00b0F<\/button>\n        <\/div>\n    <\/header>\n\n    <!-- Wachstumsphase -->\n    <section class=\"vpd-section\">\n        <label class=\"vpd-section-label\" for=\"vpd-stage\">F\u00e1ze r\u016fstu<\/label>\n        <select id=\"vpd-stage\" class=\"vpd-stage-select\">\n            <option value=\"seedling\">Sazenice<\/option>\n            <option value=\"clone\">\u0158\u00edzek<\/option>\n            <option value=\"vegetative\" selected>F\u00e1ze r\u016fstu<\/option>\n            <option value=\"early_flower\">Ran\u00fd kv\u011bt<\/option>\n            <option value=\"flower\">Kv\u011bt<\/option>\n            <option value=\"late_flower\">Pozdn\u00ed kv\u011bt<\/option>\n            <option value=\"harvest\">Sklize\u0148<\/option>\n        <\/select>\n    <\/section>\n\n    <!-- Temperatur -->\n    <section class=\"vpd-section\">\n        <div class=\"vpd-slider-header\">\n            <label class=\"vpd-section-label\" for=\"vpd-temp\" style=\"margin:0;\">Teplota<\/label>\n            <span class=\"vpd-slider-value vpd-temp-value\">25.0\u00b0C<\/span>\n        <\/div>\n        <input type=\"range\" id=\"vpd-temp\" class=\"vpd-slider vpd-temp-slider\" min=\"10\" max=\"40\" step=\"0.5\" value=\"25\" \/>\n        <div class=\"vpd-slider-labels\">\n            <span class=\"vpd-temp-min-label\">10\u00b0C<\/span>\n            <span class=\"vpd-temp-max-label\">40\u00b0C<\/span>\n        <\/div>\n    <\/section>\n\n    <!-- Luftfeuchtigkeit -->\n    <section class=\"vpd-section\">\n        <div class=\"vpd-slider-header\">\n            <label class=\"vpd-section-label\" for=\"vpd-hum\" style=\"margin:0;\">Vlhkost vzduchu<\/label>\n            <span class=\"vpd-slider-value vpd-hum-value\">60%<\/span>\n        <\/div>\n        <input type=\"range\" id=\"vpd-hum\" class=\"vpd-slider vpd-hum-slider\" min=\"20\" max=\"90\" step=\"1\" value=\"60\" \/>\n        <div class=\"vpd-slider-labels\">\n            <span>20%<\/span>\n            <span>90%<\/span>\n        <\/div>\n    <\/section>\n\n    <!-- Blatttemperatur -->\n    <section class=\"vpd-section\">\n        <div class=\"vpd-toggle-row\">\n            <label class=\"vpd-section-label\" for=\"vpd-leaf-toggle\" style=\"margin:0;\">Zohlednit rozd\u00edl teploty list\u016f<\/label>\n            <label class=\"vpd-switch\">\n                <input type=\"checkbox\" id=\"vpd-leaf-toggle\" class=\"vpd-leaf-toggle\" \/>\n                <span class=\"vpd-switch-slider\"><\/span>\n            <\/label>\n        <\/div>\n\n        <div class=\"vpd-leaf-section\" style=\"display:none;\">\n            <div class=\"vpd-slider-header\" style=\"margin-top:14px;\">\n                <span class=\"vpd-section-label\" style=\"margin:0;\">Rozd\u00edl teploty list\u016f<\/span>\n                <span class=\"vpd-slider-value vpd-leaf-value\">-2.0\u00b0C<\/span>\n            <\/div>\n            <input type=\"range\" class=\"vpd-slider vpd-leaf-slider\" min=\"-5\" max=\"2\" step=\"0.1\" value=\"-2\" \/>\n            <div class=\"vpd-slider-labels\">\n                <span class=\"vpd-leaf-min-label\">-5.0\u00b0C<\/span>\n                <span class=\"vpd-leaf-max-label\">+2.0\u00b0C<\/span>\n            <\/div>\n            <p class=\"vpd-help-text\">Listy jsou obvykle o 1\u20133 \u00b0C chladn\u011bj\u0161\u00ed ne\u017e vzduch. V\u00fdchoz\u00ed: -2 \u00b0C <\/p>\n            <p class=\"vpd-leaf-effective\">\n                Effektive Blatttemperatur: <span class=\"vpd-leaf-effective-value\">23.0\u00b0C<\/span>\n            <\/p>\n            <div class=\"vpd-info-box\">\n                <span>Pro\u010d je to d\u016fle\u017eit\u00e9? K odpa\u0159ov\u00e1n\u00ed doch\u00e1z\u00ed p\u0159\u00edmo na povrchu list\u016f. Transpirac\u00ed se listy samy ochlazuj\u00ed \u2013 jako kdy\u017e se lid\u00e9 pot\u00ed! P\u0159esn\u011bj\u0161\u00ed hodnota VPD ti pom\u016f\u017ee vyhnout se nadm\u011brn\u00e9 nebo nedostate\u010dn\u00e9 transpiraci. Tip: Pro nejlep\u0161\u00ed v\u00fdsledky zm\u011b\u0159 skute\u010dnou teplotu list\u016f IR teplom\u011brem.    <\/span>\n            <\/div>\n        <\/div>\n    <\/section>\n\n    <!-- Ergebnis -->\n    <div class=\"vpd-result-box\">\n        <div class=\"vpd-result-header\">\n            <span class=\"vpd-result-label\">Hodnota VPD<\/span>\n            <button type=\"button\" class=\"vpd-help-btn\" aria-label=\"Co je VPD?\">?<\/button>\n        <\/div>\n        <div class=\"vpd-result-value\">1.00 kPa<\/div>\n        <div class=\"vpd-result-status\">VPD perfektn\u00ed!<\/div>\n        <div class=\"vpd-recommendation\">\n            <span class=\"vpd-result-recommendation\">Zachovat podm\u00ednky<\/span>\n        <\/div>\n        <div class=\"vpd-optimal-values\">\n            <p class=\"vpd-optimal-title\">Optim\u00e1ln\u00ed hodnoty:<\/p>\n            <p class=\"vpd-optimal-temp\">\u2022 <strong>25.0\u00b0C<\/strong> \u2194 60% rLF<\/p>\n            <p class=\"vpd-optimal-hum\">\u2022 <strong>25.0\u00b0C<\/strong> \u2194 60% rLF<\/p>\n        <\/div>\n    <\/div>\n\n    <!-- Heatmap-Button -->\n    <button type=\"button\" class=\"vpd-heatmap-btn\">Zobrazit graf VPD<\/button>\n\n    <!-- Legende (Defaults f\u00fcr die initiale 'vegetative'-Phase; JS aktualisiert die Werte je Phase) -->\n    <div class=\"vpd-legend\">\n        <p class=\"vpd-legend-title\">\n            Rozsahy hodnot            (<span class=\"vpd-legend-stage\">F\u00e1ze r\u016fstu<\/span>):\n        <\/p>\n        <div class=\"vpd-legend-row\">\n            <span class=\"vpd-legend-dot\" style=\"background:#FF4444;\"><\/span>\n            <span class=\"vpd-legend-min\"><strong>< 0.6 kPa<\/strong> \u2013 P\u0159\u00edli\u0161 n\u00edzko \u2013 transpirace sn\u00ed\u017eena<\/span>\n        <\/div>\n        <div class=\"vpd-legend-row\">\n            <span class=\"vpd-legend-dot\" style=\"background:#22DD22;\"><\/span>\n            <span class=\"vpd-legend-ideal\"><strong>1.0 kPa<\/strong> \u2013 Optim\u00e1ln\u00ed pro zdrav\u00fd r\u016fst<\/span>\n        <\/div>\n        <div class=\"vpd-legend-row\">\n            <span class=\"vpd-legend-dot\" style=\"background:#88CC88;\"><\/span>\n            <span class=\"vpd-legend-opt-range\"><strong>0.8\u20131.2 kPa<\/strong> \u2013 Dobr\u00e9 (doporu\u010den\u00fd rozsah)<\/span>\n        <\/div>\n        <div class=\"vpd-legend-row\">\n            <span class=\"vpd-legend-dot\" style=\"background:#FFD43B;\"><\/span>\n            <span class=\"vpd-legend-range\"><strong>0.6\u20131.5 kPa<\/strong> \u2013 Akzeptabel (Min.\/Max.)<\/span>\n        <\/div>\n        <div class=\"vpd-legend-row\">\n            <span class=\"vpd-legend-dot\" style=\"background:#FF4444;\"><\/span>\n            <span class=\"vpd-legend-max\"><strong>> 1.5 kPa<\/strong> \u2013 P\u0159\u00edli\u0161 vysoko \u2013 stres z nadm\u011brn\u00e9 transpirace<\/span>\n        <\/div>\n    <\/div>\n\n    <!-- Anf\u00e4nger-Tipp -->\n    <div class=\"vpd-beginner-tip\">\n        <div class=\"vpd-tip-header\">Tip pro za\u010d\u00e1te\u010dn\u00edky<\/div>\n        <p class=\"vpd-tip-text\">VPD je jako \u201e\u017e\u00edze\u0148\u201c vzduchu. P\u0159i 1,0 kPa maj\u00ed v\u011bt\u0161ina rostlin ide\u00e1ln\u00ed podm\u00ednky pro d\u00fdch\u00e1n\u00ed a p\u0159\u00edjem \u017eivin. <\/p>\n    <\/div>\n\n    <!-- App-Werbung -->\n    <aside class=\"vpd-app-promo\" aria-label=\"DrainMaster Plus App\">\n        <img loading=\"lazy\" decoding=\"async\" class=\"vpd-app-promo-icon\"\n             src=\"https:\/\/drain-master.de\/wp-content\/plugins\/kobosil-orders\/public\/images\/drainmaster-plus-icon.png\"\n             alt=\"DrainMaster Plus App-Icon\"\n             width=\"88\" height=\"88\" loading=\"lazy\"\n             style=\"width:88px;height:88px;border-radius:20px;flex-shrink:0;box-shadow:0 4px 14px rgba(0,0,0,0.15);display:block;\" \/>\n        <div class=\"vpd-app-promo-content\">\n            <p class=\"vpd-app-promo-title\">St\u00e1hni si aplikaci DrainMaster Plus<\/p>\n            <p class=\"vpd-app-promo-text\">\n                Tuto kalkula\u010dku a mnoho dal\u0161\u00edch n\u00e1stroj\u016f (PPFD, DLI, EC\/PPM, pH-trend & v\u00edce) najde\u0161 v na\u0161\u00ed aplikaci \u2013 s den\u00edkem rostlin, p\u0159ipom\u00ednkami a komunitou.            <\/p>\n            <div class=\"vpd-app-promo-actions\" style=\"display:flex;gap:10px;flex-wrap:wrap;align-items:center;\">\n                <a class=\"vpd-app-promo-link\"\n                   href=\"https:\/\/drain-master.de\/drainmaster-plus\/\"\n                   target=\"_blank\" rel=\"noopener\">\n                    Zjistit v\u00edce                <\/a>\n                <a href=\"https:\/\/apps.apple.com\/de\/app\/drainmaster-plus\/id6752567739\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;line-height:0;\">\n                    <img decoding=\"async\" loading=\"lazy\"\n                         src=\"https:\/\/developer.apple.com\/assets\/elements\/badges\/download-on-the-app-store.svg\"\n                         alt=\"Lade im App Store\"\n                         style=\"height:50px;width:auto;display:block;border:none;border-radius:0;background:transparent;\" \/>\n                <\/a>\n                <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=de.drain_master.plus_app\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;line-height:0;\">\n                    <img decoding=\"async\" loading=\"lazy\"\n                         src=\"https:\/\/play.google.com\/intl\/en_us\/badges\/static\/images\/badges\/de_badge_web_generic.png\"\n                         alt=\"Jetzt bei Google Play\"\n                         style=\"height:50px;width:auto;display:block;border:none;border-radius:0;background:transparent;\" \/>\n                <\/a>\n            <\/div>\n        <\/div>\n    <\/aside>\n\n    <!-- Erkl\u00e4rungs-Modal -->\n    <div class=\"vpd-modal vpd-explanation-modal\" role=\"dialog\" aria-modal=\"true\" aria-labelledby=\"vpd-modal-title\">\n        <div class=\"vpd-modal-content\">\n            <div class=\"vpd-modal-header\">\n                <h3 class=\"vpd-modal-title\" id=\"vpd-modal-title\">Co je VPD?<\/h3>\n                <button type=\"button\" class=\"vpd-modal-close vpd-explanation-close\" aria-label=\"Schlie\u00dfen\">\u00d7<\/button>\n            <\/div>\n            <p class=\"vpd-modal-text vpd-explanation-text\"><\/p>\n\n            <h4 class=\"vpd-modal-subtitle\">Pro\u010d je VPD d\u016fle\u017eit\u00e9?<\/h4>\n            <p class=\"vpd-modal-text\">VPD ur\u010duje, kolik vody tv\u00e1 rostlina odpa\u0159\u00ed. To p\u0159\u00edmo ovliv\u0148uje p\u0159\u00edjem \u017eivin a r\u016fst. <\/p>\n\n            <h4 class=\"vpd-modal-subtitle\">Jak to pou\u017e\u00edvat?<\/h4>\n            <p class=\"vpd-modal-text\">Nastav teplotu a vlhkost tak, aby se hodnota VPD zobrazovala zelen\u011b. K \u00faprav\u011b pou\u017eij ventil\u00e1tory, topen\u00ed nebo zvlh\u010dova\u010de vzduchu. <\/p>\n        <\/div>\n    <\/div>\n\n    <!-- Heatmap-Modal -->\n    <div class=\"vpd-modal vpd-heatmap-modal\" role=\"dialog\" aria-modal=\"true\" aria-labelledby=\"vpd-heatmap-title\">\n        <div class=\"vpd-modal-content\">\n            <div class=\"vpd-modal-header\">\n                <h3 class=\"vpd-modal-title\" id=\"vpd-heatmap-title\">Teplotn\u00ed mapa VPD<\/h3>\n                <button type=\"button\" class=\"vpd-modal-close vpd-heatmap-close\" aria-label=\"Schlie\u00dfen\">\u00d7<\/button>\n            <\/div>\n\n            <p class=\"vpd-heatmap-stage\">Optimalbereiche f\u00fcr F\u00e1ze r\u016fstu<\/p>\n\n            <svg class=\"vpd-heatmap-svg\"\n                 xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n                 width=\"700\" height=\"600\"\n                 viewBox=\"0 0 700 600\"\n                 preserveAspectRatio=\"xMidYMid meet\"><\/svg>\n\n            <div class=\"vpd-heatmap-current\">\n                <p class=\"vpd-heatmap-current-title\">Aktuelle Position:<\/p>\n                <div class=\"vpd-heatmap-current-row\">\n                    <span class=\"vpd-heatmap-current-temp\">Teplota: 25.0\u00b0C<\/span>\n                    <span class=\"vpd-heatmap-current-hum\">Vlhkost vzduchu: 60%<\/span>\n                    <span class=\"vpd-heatmap-current-vpd\">VPD: 1.00 kPa<\/span>\n                <\/div>\n                <button type=\"button\" class=\"vpd-heatmap-apply\" style=\"display:none;\">Pou\u017e\u00edt hodnoty<\/button>\n            <\/div>\n\n            <div class=\"vpd-heatmap-legend\">\n                <p class=\"vpd-heatmap-legend-title\">Barevn\u00e1 \u0161k\u00e1la:<\/p>\n                <div class=\"vpd-heatmap-legend-row\">\n                    <span class=\"vpd-heatmap-legend-color\" style=\"background:#22DD22;\"><\/span>\n                    <span class=\"vpd-heatmap-legend-ideal\">Optim\u00e1ln\u00ed (1.0 kPa)<\/span>\n                <\/div>\n                <div class=\"vpd-heatmap-legend-row\">\n                    <span class=\"vpd-heatmap-legend-color\" style=\"background:#88CC88;\"><\/span>\n                    <span class=\"vpd-heatmap-legend-good\">Dobr\u00e9 (0.8\u20131.2 kPa)<\/span>\n                <\/div>\n                <div class=\"vpd-heatmap-legend-row\">\n                    <span class=\"vpd-heatmap-legend-color\" style=\"background:#FFD43B;\"><\/span>\n                    <span class=\"vpd-heatmap-legend-acceptable\">P\u0159ijateln\u00e9 (0.6\u20131.5 kPa)<\/span>\n                <\/div>\n                <div class=\"vpd-heatmap-legend-row\">\n                    <span class=\"vpd-heatmap-legend-color\" style=\"background:#FF4444;\"><\/span>\n                    <span class=\"vpd-heatmap-legend-critical\">Kritick\u00e9 (<0.6 \/ >1.5 kPa)<\/span>\n                <\/div>\n            <\/div>\n\n            <div class=\"vpd-heatmap-explanation\">\n                <p class=\"vpd-heatmap-explanation-title\">Jak \u010d\u00edst graf<\/p>\n                <p class=\"vpd-heatmap-explanation-text\">Barvy ti ukazuj\u00ed, p\u0159i jak\u00fdch kombinac\u00edch teploty a vlhkosti tv\u00e1 rostlina nejl\u00e9pe roste. Zelen\u00e1 = perfektn\u00ed, \u017elut\u00e1 = ok, \u010derven\u00e1 = problematick\u00e9. Klepnut\u00edm nebo ta\u017een\u00edm v grafu vyber polohu.  <\/p>\n            <\/div>\n\n            <div class=\"vpd-heatmap-tips\">\n                <p class=\"vpd-heatmap-tips-title\">Profi tipy:<\/p>\n                <ul>\n                    <li>V noci m\u016f\u017ee b\u00fdt VPD o n\u011bco ni\u017e\u0161\u00ed<\/li>\n                    <li>V kv\u011btu usiluj o vy\u0161\u0161\u00ed VPD (1,2\u20131,4 kPa)<\/li>\n                    <li>Mlad\u00e9 rostliny preferuj\u00ed ni\u017e\u0161\u00ed VPD (0,6\u20130,8 kPa)<\/li>\n                <\/ul>\n            <\/div>\n        <\/div>\n    <\/div>\n\n<\/div>\n\n<p><\/p>\n<h3>St\u00e1lost por\u00e1\u017e\u00ed dokonalost: Vyhni se typick\u00fdm chyb\u00e1m<\/h3>\n<p>Tv\u00fdm c\u00edlem by m\u011bla b\u00fdt stabiln\u00ed hodnota VPD b\u011bhem sv\u011bteln\u00e9 f\u00e1ze. Neust\u00e1l\u00e9, siln\u00e9 v\u00fdkyvy stresuj\u00ed tvou rostlinu v\u00edc ne\u017e konstantn\u00ed hodnota, kter\u00e1 je lehce mimo ide\u00e1ln\u00ed rozsah. Nej\u010dast\u011bj\u0161\u00ed chybou jsou p\u0159\u00edli\u0161 velk\u00e9 teplotn\u00ed rozd\u00edly mezi dnem a noc\u00ed. N\u00e1hl\u00fd pokles teploty p\u0159i vypnut\u00e9m sv\u011btle vy\u0161roubuje vlhkost vzduchu nahoru a VPD se zhrout\u00ed, co\u017e vytv\u00e1\u0159\u00ed ide\u00e1ln\u00ed prost\u0159ed\u00ed pro pl\u00edsn\u011b.   <\/p>\n<div class=\"woocommerce columns-1 \"><ul class=\"products columns-1\">\n<li class=\"product type-product post-92326 status-publish first instock product_cat-untersetzer product_cat-gartenbedarf has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/drain-master.de\/cs\/produkt\/drainmaster-jednotliva-sada-xl-vcetne-vany\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><div class=\"woocommerce-image__wrapper\"><a href=\"https:\/\/drain-master.de\/cs\/produkt\/drainmaster-jednotliva-sada-xl-vcetne-vany\/\" title=\"DrainMaster XL v\u010d. vany (konfigurovateln\u00e1 velikost sady)\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><div class=\"shoptimizer-plp-carousel-container\"><div class=\"shoptimizer-plp-image-wrapper\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"DrainMaster XL\" srcset=\"https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-300x300.jpg 300w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-600x600.jpg 600w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-1024x1024.jpg 1024w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-768x768.jpg 768w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-1536x1536.jpg 1536w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-990x990.jpg 990w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-441x441.jpg 441w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-100x100.jpg 100w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-800x800.jpg 800w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1-150x150.jpg 150w, https:\/\/drain-master.de\/wp-content\/uploads\/2024\/12\/1-4-1.jpg 2000w\" sizes=\"(max-width: 360px) 147px, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\n\t<\/div><\/div><\/a><\/div><div class=\"woocommerce-card__header\">\t\t\t\t\t<p class=\"product__categories\"><a href=\"https:\/\/drain-master.de\/produkt-kategorie\/gartenbedarf\/untersetzer\/\" rel=\"tag\">Untersetzer<\/a>, <a href=\"https:\/\/drain-master.de\/produkt-kategorie\/gartenbedarf\/\" rel=\"tag\">Gartenbedarf<\/a><\/p>\t\t\t\t<div class=\"woocommerce-loop-product__title\"><a tabindex=\"0\" href=\"https:\/\/drain-master.de\/cs\/produkt\/drainmaster-jednotliva-sada-xl-vcetne-vany\/\" aria-label=\"DrainMaster XL v\u010d. vany (konfigurovateln\u00e1 velikost sady)\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">DrainMaster XL v\u010d. vany (konfigurovateln\u00e1 velikost sady)<\/a><\/div><\/a><p class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>39,99\u00a0<span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span><\/bdi><\/span><\/p><\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/243769?add-to-cart=92326\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_92326\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"92326\" data-product_sku=\"DM-01-XL\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cDrainMaster XL v\u010d. vany (konfigurovateln\u00e1 velikost sady)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDrainMaster XL v\u010d. vany (konfigurovateln\u00e1 velikost sady)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" role=\"button\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_92326\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t<input type=\"hidden\" class=\"pmwProductId\" data-id=\"92326\">\n\t\t\t\t\t<script data-cfasync=\"false\">\n\t\t\t(window.pmwDataLayer = window.pmwDataLayer || {}).products                = window.pmwDataLayer.products || {};\n\t\t\twindow.pmwDataLayer.products[92326] = {\"id\":\"92326\",\"sku\":\"DM-01-XL\",\"price\":39.99,\"brand\":\"\",\"quantity\":1,\"dyn_r_ids\":{\"post_id\":\"92326\",\"sku\":\"DM-01-XL\",\"gpf\":\"woocommerce_gpf_92326\",\"gla\":\"gla_92326\"},\"is_variable\":false,\"type\":\"simple\",\"name\":\"DrainMaster XL v\u010d. vany (konfigurovateln\u00e1 velikost sady)\",\"category\":[\"Untersetzer\",\"Gartenbedarf\"],\"is_variation\":false};\n\t\t\t\t\twindow.pmw_product_position = window.pmw_product_position || 1;\n\t\twindow.pmwDataLayer.products[92326]['position'] = window.pmw_product_position++;\n\t\t\t\t<\/script>\n\t\t<\/div><\/li>\n<\/ul>\n<\/div>\n<h2>Stabilizuj z\u00e1klad: Pro\u010d je \u010dist\u00e1 dren\u00e1\u017e kl\u00ed\u010dov\u00e1<\/h2>\n<p>M\u016f\u017ee\u0161 m\u00edt tu nejdra\u017e\u0161\u00ed klimatiza\u010dn\u00ed techniku, ale pokud tv\u016fj z\u00e1klad nesed\u00ed, bude\u0161 neust\u00e1le bojovat. \u010cist\u00e1, kontrolovan\u00e1 dren\u00e1\u017e je z\u00e1kladem pro stabiln\u00ed klima. <\/p>\n<h3>Skryt\u00e9 nebezpe\u010d\u00ed: Jak stojat\u00e1 voda sabotuje tv\u00e9 klima<\/h3>\n<p>Voda, kter\u00e1 po zal\u00e9v\u00e1n\u00ed stoj\u00ed v podmisku, je klimatick\u00fd zabij\u00e1k. Toto nekontrolovan\u00e9 odpa\u0159ov\u00e1n\u00ed nep\u0159edv\u00eddateln\u011b zvy\u0161uje vlhkost vzduchu v tv\u00e9m boxu. Tv\u016fj odvlh\u010dova\u010d b\u011b\u017e\u00ed naplno, ale VPD se p\u0159esto neust\u00e1le propad\u00e1. Tyto vlhk\u00e9, nestabiln\u00ed podm\u00ednky nejsou jen \u0161patn\u00e9 pro transpiraci, vytv\u00e1\u0159ej\u00ed tak\u00e9 l\u00edhe\u0148 \u0161k\u016fdc\u016f a masivn\u011b zvy\u0161uj\u00ed riziko <a href=\"https:\/\/drain-master.de\/cs\/2026\/04\/07\/hniloba-korenu-konopi-jak-ji-poznat-zastavit-a-predchazet-ji\/\">ko\u0159enov\u00e9 hniloby u konop\u00ed<\/a>.   <\/p>\n<h3>\u0158e\u0161en\u00ed pro stabiln\u00ed syst\u00e9m a pl\u00e1novateln\u00e9 VPD<\/h3>\n<p>Stabiln\u00ed klima za\u010d\u00edn\u00e1 suchou podlahou boxu. Inteligentn\u00ed dren\u00e1\u017en\u00ed syst\u00e9m jako <a href=\"https:\/\/drain-master.de\/cs\/produkt\/stojan-na-odkapavani-drainmaster\/\">DrainMaster Untersetzer-System<\/a> zachyt\u00e1v\u00e1 p\u0159ebyte\u010dnou vodu a odv\u00e1d\u00ed ji p\u0159\u00edmo z boxu. T\u00edm eliminuje\u0161 nekontrolovan\u00e9 odpa\u0159ov\u00e1n\u00ed a z\u00edsk\u00e1\u0161 plnou kontrolu nad vlhkost\u00ed vzduchu. Tv\u00e9 klima se stabilizuje, hodnota <strong>VPD Cannabis<\/strong> se st\u00e1v\u00e1 spolehliv\u011b pl\u00e1novatelnou a tv\u00e9 rostliny kone\u010dn\u011b mohou naplno rozvinout sv\u016fj potenci\u00e1l. Abys m\u011bl sv\u00e9 hodnoty perfektn\u011b pod kontrolou, m\u016f\u017ee\u0161 vyu\u017e\u00edt integrovanou VPD kalkula\u010dku v bezplatn\u00e9 aplikaci DrainMaster Plus.    <\/p>\n<figure style=\"margin:2rem 0;text-align:center;\"><img decoding=\"async\" src=\"https:\/\/drain-master.de\/wp-content\/uploads\/2026\/04\/infografik-9-scaled.webp\" alt=\"VPD vysv\u011btleno. \u2013 Infografika\" loading=\"lazy\" style=\"max-width:100%;height:auto;border-radius:8px;\"><\/figure>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<details style=\"border:1px solid #e5e7eb;border-radius:8px;margin-bottom:8px;overflow:hidden;\">\n<summary style=\"padding:14px 18px;cursor:pointer;font-weight:600;font-size:1.05em;background:#fafafa;list-style:none;\">Co se stane, kdy\u017e je moje hodnota VPD p\u0159\u00edli\u0161 vysok\u00e1?<\/summary>\n<p style=\"padding:14px 18px;margin:0;color:#555;line-height:1.6;border-top:1px solid #e5e7eb;\">P\u0159\u00edli\u0161 vysok\u00e1 hodnota VPD znamen\u00e1, \u017ee vzduch je extr\u00e9mn\u011b \u201e\u017e\u00edzniv\u00fd\u201c a p\u0159\u00edli\u0161 rychle odeb\u00edr\u00e1 vodu list\u016fm. To vede ke stresu a symptom\u016fm, jako jsou such\u00e9 \u0161pi\u010dky list\u016f a \u201ekroucen\u00ed list\u016f\u201c, proto\u017ee rostlina transpiruje v\u00edce vody, ne\u017e ko\u0159eny dok\u00e1\u017eou p\u0159ijmout. Dlouhodob\u011b to po\u0161kozuje r\u016fst a potenci\u00e1ln\u00ed v\u00fdnos tv\u00e9 rostliny.  <\/p>\n<\/details>\n<details style=\"border:1px solid #e5e7eb;border-radius:8px;margin-bottom:8px;overflow:hidden;\">\n<summary style=\"padding:14px 18px;cursor:pointer;font-weight:600;font-size:1.05em;background:#fafafa;list-style:none;\">Pro\u010d je n\u00edzk\u00e1 hodnota VPD v noci nebezpe\u010dn\u00e1?<\/summary>\n<p style=\"padding:14px 18px;margin:0;color:#555;line-height:1.6;border-top:1px solid #e5e7eb;\">V noci kles\u00e1 teplota, \u010d\u00edm\u017e stoup\u00e1 relativn\u00ed vlhkost vzduchu a hodnota VPD kles\u00e1. Velmi n\u00edzk\u00fd VPD t\u00e9m\u011b\u0159 \u00fapln\u011b zastav\u00ed transpiraci, co\u017e ochromuje transport \u017eivin a udr\u017euje povrchy list\u016f vlhk\u00e9. To vytv\u00e1\u0159\u00ed perfektn\u00ed klima pro pl\u00edsn\u011b a houbov\u00e9 choroby, zejm\u00e9na v hust\u00e9 f\u00e1zi kv\u011btu.  <\/p>\n<\/details>\n<details style=\"border:1px solid #e5e7eb;border-radius:8px;margin-bottom:8px;overflow:hidden;\">\n<summary style=\"padding:14px 18px;cursor:pointer;font-weight:600;font-size:1.05em;background:#fafafa;list-style:none;\">Jak ovliv\u0148uje stoj\u00edc\u00ed voda moji hodnotu VPD?<\/summary>\n<p style=\"padding:14px 18px;margin:0;color:#555;line-height:1.6;border-top:1px solid #e5e7eb;\">Stoj\u00edc\u00ed dren\u00e1\u017en\u00ed voda v boxu se pr\u016fb\u011b\u017en\u011b odpa\u0159uje a nekontrolovan\u011b zvy\u0161uje vlhkost vzduchu. Tento n\u00e1r\u016fst rF zp\u016fsob\u00ed propad tv\u00e9 hodnoty VPD, co\u017e zpomaluje metabolismus rostlin a drasticky zvy\u0161uje nebezpe\u010d\u00ed pl\u00edsn\u00ed. Such\u00e1 podlaha boxu je proto z\u00e1kladem stabiln\u00edho klimatu a pl\u00e1novateln\u00e9ho VPD.  <\/p>\n<\/details>\n<details style=\"border:1px solid #e5e7eb;border-radius:8px;margin-bottom:8px;overflow:hidden;\">\n<summary style=\"padding:14px 18px;cursor:pointer;font-weight:600;font-size:1.05em;background:#fafafa;list-style:none;\">Jak\u00e1 hodnota VPD je ide\u00e1ln\u00ed pro f\u00e1zi kv\u011btu konop\u00ed?<\/summary>\n<p style=\"padding:14px 18px;margin:0;color:#555;line-height:1.6;border-top:1px solid #e5e7eb;\">Ve f\u00e1zi kv\u011btu bys m\u011bl usilovat o vy\u0161\u0161\u00ed hodnotu VPD, ide\u00e1ln\u011b mezi 1,0 a 1,5kPa. Tato m\u00edrn\u011b \u201esu\u0161\u0161\u00ed\u201c oblast podporuje zdravou transpiraci a p\u0159\u00edjem \u017eivin, ani\u017e by rostlinu p\u0159et\u011b\u017eovala. Ke konci kv\u011btu se hodnota m\u016f\u017ee zv\u00fd\u0161it a\u017e na 1,6kPa, aby se minimalizovalo riziko hniloby kv\u011bt\u016f.  <\/p>\n<\/details>\n<details style=\"border:1px solid #e5e7eb;border-radius:8px;margin-bottom:8px;overflow:hidden;\">\n<summary style=\"padding:14px 18px;cursor:pointer;font-weight:600;font-size:1.05em;background:#fafafa;list-style:none;\">Jak\u00fd je rozd\u00edl mezi VPD a relativn\u00ed vlhkost\u00ed vzduchu (rF)?<\/summary>\n<p style=\"padding:14px 18px;margin:0;color:#555;line-height:1.6;border-top:1px solid #e5e7eb;\">Relativn\u00ed vlhkost vzduchu (rF) pouze ud\u00e1v\u00e1, jak je vzduch nasycen vodou, ale nezohled\u0148uje teplotu. Koncept <strong>VPD vysv\u011btluje<\/strong> skute\u010dn\u00fd \u201etah\u201c vzduchu kombinac\u00ed teploty a rF. VPD je proto mnohem p\u0159esn\u011bj\u0161\u00ed m\u00edrou transpirace na tvou rostlinu, a tud\u00ed\u017e d\u016fle\u017eit\u011bj\u0161\u00ed pro \u0159\u00edzen\u00ed klimatu.  <\/p>\n<\/details>\n<details style=\"border:1px solid #e5e7eb;border-radius:8px;margin-bottom:8px;overflow:hidden;\">\n<summary style=\"padding:14px 18px;cursor:pointer;font-weight:600;font-size:1.05em;background:#fafafa;list-style:none;\">Mus\u00edm nastavit VPD pro sazenice jinak?<\/summary>\n<p style=\"padding:14px 18px;margin:0;color:#555;line-height:1.6;border-top:1px solid #e5e7eb;\">Ano, rozhodn\u011b, proto\u017ee to je kl\u00ed\u010dov\u00fd bod, kdy\u017e se <strong>VPD vysv\u011btluje.<\/strong> Sazenice a mlad\u00e9 klony je\u0161t\u011b nemaj\u00ed siln\u00fd ko\u0159enov\u00fd syst\u00e9m a p\u0159ij\u00edmaj\u00ed hodn\u011b vlhkosti p\u0159es sv\u00e9 listy. N\u00edzk\u00e1 hodnota VPD 0,4 a\u017e 0,8 kPa je zde ide\u00e1ln\u00ed, proto\u017ee zabra\u0148uje stresu a umo\u017e\u0148uje \u0161etrn\u00e9 zako\u0159en\u011bn\u00ed ve vlhk\u00e9m, tepl\u00e9m prost\u0159ed\u00ed. <\/p>\n<\/details>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Spr\u00e1vn\u00e1 kombinace teploty a vlhkosti vzduchu. VPD: Motor r\u016fstu rostlin a optim\u00e1ln\u00ed c\u00edlov\u00e9 hodnoty Optim\u00e1ln\u00ed hodnota VPD Cannabis je rozhoduj\u00edc\u00ed,&hellip;<\/p>\n","protected":false},"author":1,"featured_media":243771,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"VPD konop\u00ed: Tabulka & n\u00e1vod pro perfektn\u00ed klima","rank_math_description":"Co je VPD u konop\u00ed? Nau\u010d se, jak optim\u00e1ln\u011b kombinovat teplotu a vlhkost vzduchu, abys p\u0159ede\u0161el stresu a pl\u00edsn\u00edm. Zjisti v\u00edce!","rank_math_focus_keyword":"VPD konop\u00ed","footnotes":""},"categories":[487],"tags":[],"class_list":["post-243769","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-cs"],"_links":{"self":[{"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/posts\/243769","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/comments?post=243769"}],"version-history":[{"count":0,"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/posts\/243769\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/media\/243771"}],"wp:attachment":[{"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/media?parent=243769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/categories?post=243769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/drain-master.de\/cs\/wp-json\/wp\/v2\/tags?post=243769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}