[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.tisktuma.cz\/metalhalogenidove-a-sodikove-vybojky-pri-pestovani-rostlin\/#Article","mainEntityOfPage":"https:\/\/www.tisktuma.cz\/metalhalogenidove-a-sodikove-vybojky-pri-pestovani-rostlin\/","headline":"Metalhalogenidov\u00e9 a sod\u00edkov\u00e9 v\u00fdbojky p\u0159i p\u011bstov\u00e1n\u00ed rostlin","name":"Metalhalogenidov\u00e9 a sod\u00edkov\u00e9 v\u00fdbojky p\u0159i p\u011bstov\u00e1n\u00ed rostlin","description":"Okoln\u00ed sv\u011bt vn\u00edm\u00e1me sv\u00fdma o\u010dima jako soulad tvar\u016f a barev a p\u0159itom si \u010dastokr\u00e1t neuv\u011bdomujeme, \u017ee barvy jsou jen druhem elektromagnetick\u00e9ho vln\u011bn\u00ed sv\u011bteln\u00e9ho spektra o ur\u010dit\u00fdch vlnov\u00fdch d\u00e9lk\u00e1ch. Na\u0161e o\u010di tak\u00e9 zachyt\u00ed pouze ur\u010ditou \u010d\u00e1st spektra, neznamen\u00e1 to tedy, \u017ee co na\u0161e o\u010di nevid\u00ed, to \u017ee neexistuje, nap\u0159. infra\u010derven\u00e9 a ultrafialov\u00e9 obory sv\u011bteln\u00e9ho z\u00e1\u0159en\u00ed. Rostlinn\u00fd […]","datePublished":"2018-04-14","dateModified":"2023-05-03","author":{"@type":"Person","@id":"https:\/\/www.tisktuma.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.tisktuma.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/8eaf08ef5a7e54fc91db02b2058b03bc913caaaa39c046819bbf43d06bd23c2b?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8eaf08ef5a7e54fc91db02b2058b03bc913caaaa39c046819bbf43d06bd23c2b?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"tisktuma.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.tisktuma.cz\/wp-content\/uploads\/img_a315535_w2435_t1526368431.jpg","url":"https:\/\/www.tisktuma.cz\/wp-content\/uploads\/img_a315535_w2435_t1526368431.jpg","height":0,"width":0},"url":"https:\/\/www.tisktuma.cz\/metalhalogenidove-a-sodikove-vybojky-pri-pestovani-rostlin\/","about":["V\u00fdrobky"],"wordCount":399,"articleBody":"     Okoln\u00ed sv\u011bt vn\u00edm\u00e1me sv\u00fdma o\u010dima jako soulad tvar\u016f a barev a p\u0159itom si \u010dastokr\u00e1t neuv\u011bdomujeme, \u017ee barvy jsou jen druhem elektromagnetick\u00e9ho vln\u011bn\u00ed sv\u011bteln\u00e9ho spektra o ur\u010dit\u00fdch vlnov\u00fdch d\u00e9lk\u00e1ch. Na\u0161e o\u010di tak\u00e9 zachyt\u00ed pouze ur\u010ditou \u010d\u00e1st spektra, neznamen\u00e1 to tedy, \u017ee co na\u0161e o\u010di nevid\u00ed, to \u017ee neexistuje, nap\u0159. infra\u010derven\u00e9 a ultrafialov\u00e9 obory sv\u011bteln\u00e9ho z\u00e1\u0159en\u00ed.  Rostlinn\u00fd sv\u011bt vykazuje v mnoha ohledech podobenstv\u00ed s \u010dlov\u011bkem. Rostliny tak\u00e9 nejv\u00edce reaguj\u00ed pr\u00e1v\u011b na sv\u011bteln\u00e1 spektra viditeln\u00e1 na\u0161\u00edm zrakem. Pro r\u016fst a jejich rozmno\u017eov\u00e1n\u00ed je pr\u00e1v\u011b rozhoduj\u00edc\u00ed sv\u011btlo o vlnov\u00fdch d\u00e9lk\u00e1ch 400 \u2013 750 nanometr\u016f. Pouze s t\u00edm rozd\u00edlem, \u017ee rostliny nevn\u00edmaj\u00ed o\u010dima, ale cel\u00fdm sv\u00fdm t\u011blem \u2013 listy, kv\u011bty a stvoly. Pro tyto \u017eiv\u00e9 bytosti je sv\u011btlo dokonce kl\u00ed\u010dov\u00fdm prvkem a na jeho intenzitu jsou mnohem citliv\u011bj\u0161\u00ed, ne\u017e lid\u00e9. Jestli\u017ee se zam\u011b\u0159\u00edme na p\u011bstov\u00e1n\u00ed rostlin v um\u011bl\u00fdch podm\u00ednk\u00e1ch sklen\u00edk\u016f, mus\u00edme tak\u00e9 \u0159e\u0161it jejich osv\u011btlen\u00ed. P\u011bstitel\u00e9 pou\u017e\u00edvaj\u00ed k t\u011bmto \u00fa\u010del\u016fm v podstat\u011b dva druhy osv\u011btlovac\u00ed techniky. Metalhalogenidov\u00e9 a sod\u00edkov\u00e9 v\u00fdbojky.  Metalhalogenidov\u00e9 vysokotlak\u00e9 v\u00fdbojky vyza\u0159uj\u00ed sv\u011btlo posunut\u00e9 do modr\u00e9 oblasti spektra a t\u00edm p\u00e1dem prosp\u00edvaj\u00ed ke zv\u00fd\u0161en\u00e9 tvorb\u011b r\u016fstu list\u016f a stonk\u016f, tedy p\u0159edev\u0161\u00edm k zelen\u00e9 hmot\u011b. Pod t\u00edmto sv\u011btlem sice rostliny rostou pomalej\u0161\u00edm tempem, jsou v\u0161ak pom\u011brn\u011b robustn\u00ed. Osvit sod\u00edkov\u00fdmi v\u00fdbojkami je vhodn\u00fd zejm\u00e9na tehdy, kdy se p\u011bstitel zam\u011b\u0159uje na rychlej\u0161\u00ed vzr\u016fst a na kv\u011btenstv\u00ed, i kdy\u017e se slab\u0161\u00edmi stonky rostlin. Obecn\u011b lze tedy \u0159\u00edci, \u017ee halogenidov\u00e1 v\u00fdbojka se hod\u00ed pro r\u016fstov\u00e9 obdob\u00ed, a sod\u00edkov\u00e1 pro obdob\u00ed kveten\u00ed. Du\u00e1ln\u00ed v\u00fdbojky \u2013 to jsou ve sv\u00e9 podstat\u011b sod\u00edkov\u00e9 zdroje, jejich\u017e n\u00e1pl\u0148 emituje sv\u011bteln\u00e9 spektrum v\u00edce do modr\u00e9 barvy.  Jak velk\u00fd v\u00fdkon v\u00fdbojek je t\u0159eba k osvitu ur\u010dit\u00e9 plochy 1000 W posta\u010d\u00ed efektivn\u011b osv\u00edtit plochu o rozm\u011brech 1,5 x 1,5 m 600 W posta\u010d\u00ed rostlin\u00e1m na plo\u0161e 1,2 x 1,2 m 400 W sta\u010d\u00ed na plochu 1 x 1 m 150 W pokryje plochu 0,6 x 0,6 m                                                                                                                                                                                                                                                                                                                                                                                          4.2\/5 - (10 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Metalhalogenidov\u00e9 a sod\u00edkov\u00e9 v\u00fdbojky p\u0159i p\u011bstov\u00e1n\u00ed rostlin","item":"https:\/\/www.tisktuma.cz\/metalhalogenidove-a-sodikove-vybojky-pri-pestovani-rostlin\/#breadcrumbitem"}]}]