Ua rau thiab tiv thaiv mob Shrinkage ntawm Greenhouse Zaub
Sudden mob atrophy ntawm qee cov dib nroj tsuag hauv zaub greenhouses yog kab mob physiological. Yog vim li cas rau qhov no yog: thawj zaug, nruam pos huab los yog huab cua ntshiab sai sai tom qab daus, ua rau sai wilting thiab tuag seedlings tshwm sim los ntawm kub inversion; Qhov kub thiab txias, huab cua loj, cov nplooj tawm sai sai, qee cov nroj tsuag nrog cov hauv paus tsis zoo pib poob qis, thiab lub cev qhuav dej hnyav ua rau tag nrho cov nroj tsuag wither; Qhov thib peb yog hais tias cov concentration ntawm chiv yog siab dhau lawm, tshwj xeeb tshaj yog thaum chiv yog thov nyob ze lub hauv paus caj dab ntawm dib, nws yog ib qho yooj yim mus hlawv tuag seedlings. Txhawm rau tiv thaiv tus mob atrophy ntawm dib, cov kev ntsuas hauv qab no yuav tsum tau ua:
1. Dej raws li lub sijhawm ntawm cov yub. Lub hauv paus system ntawm dib yog kuj tsim, tab sis nws yog feem ntau concentrated nyob rau hauv cov av nto. Txhawm rau txhawm rau txhawb kev loj hlob hauv paus thiab tsis txhob ywg dej yuam kev los tiv thaiv kev loj hlob ntawm cov hauv paus pawg, ib qho yog kom dej tsawg dej rau cog; Irrigate ib zaug kom tiv thaiv melon seedlings los ntawm hlawv los ntawm ntau tshaj fertilization ntawm ib zaug; plaub, nws yog ib qho tsim nyog kom dej thaum sawv ntxov nyob rau hnub tshav ntuj; fifth, nws tsis tsim nyog rau irrigate tag nrho cov los rau hnub los nag;
Qhov thib ob, kev tshawb fawb tswj qhov kub ntawm lub tsev. Khaws 25-30 degree hauv lub tsev thaum nruab hnub, thiab khaws cia ntawm 12-15 degree thaum hmo ntuj, tsis qis dua 10 degree . Ua ntej, nws tuaj yeem tiv thaiv qhov tshwm sim ntawm cov kab mob; thib ob, nws tuaj yeem tiv thaiv kev laus; thib peb, nws tuaj yeem ntxiv Co. Txawm li cas los xij, kev tswj xyuas qhov kub thiab txias yuav tsum ua rau kev loj hlob ntawm cucumbers. Feem ntau, qhov cua yog ua thaum qhov kub nce mus txog 30 degree thaum nruab hnub, thiab cov yeeb yaj kiab raug kaw thaum qhov kub poob mus rau 28 degrees thaum tav su. Hmo ntuj kub thaum lub sij hawm fruiting yuav tsum tsis txhob qis tshaj 12 degree.
