Kab tsuag tuaj yeem cuam tshuam rau kev loj hlob ntawm pob kws, thiab cov tshuaj tua kab pob kws tuaj yeem tswj tau ntau yam kab tsuag.Yog li, yog tias pob kws tau txau nrog tshuaj tua kab thiab tshuaj tua kab mob, peb puas yuav tsum tau txau nrog tshuaj tua kab rau hnub tom qab?
Ua ntej ntawm tag nrho cov, nws nyob ntawm seb muaj pes tsawg leeg ntawm cov tshuaj tua kab tau siv hnub ua ntej thiab cov tshuaj tua kab twg tau siv rau hnub tom qab.
Yog hais tias nws yog ib tug fungicide hnub ua ntej los tiv thaiv kab mob, ces nws yuav zoo.Hnub tom qab koj tuaj yeem siv tshuaj tua kab mob;Yog tias cov tshuaj tua kab tau siv hnub ua ntej, nws nyob ntawm qhov xwm txheej.
Hauv ib kis, cov tshuaj tua kab mob tom qab tsis tuaj yeem siv rau hnub tom qab.
Muaj ob yam uas yuav tsum tau ua.Ib qho yog tias cov tshuaj tua kab yog cov organic phosphorus.Hom (xws li chlorpyrifos lossis phoxim), qhov thib ob yog tias cov tshuaj tua kab mob muaj nicosulfuron.Thaum ob qho xwm txheej no tau ntsib, cov tshuaj tua kab mob tsis tuaj yeem siv rau hnub tom qab, vim tias nws yooj yim los tsim cov tshuaj tua kab mob, nws muaj kev cuam tshuam rau pob kws yield.Txoj kev raug yog ua 7-hnub lub sijhawm nruab nrab ntawm ob.Qhov no tseem ceeb heev.Kuv vam tias sawv daws yuav mloog.
Qhov thib ob, seb cov tshuaj tua kab mob tuaj yeem txau rau hnub tom qab yog nyob ntawm kev hloov pauv huab cua.
Yog tias muaj nag lossis cua daj cua dub hnub tom qab, nws tsis haum rau tshuaj tua kab mob.Raws li qhov xwm txheej ntawm kev sib ntsib yav dhau los, txhua tus paub tias hnub los nag yog Yog tias koj siv tsis tau cov tshuaj tua kab, tsis txhob hais txog cov khib nyiab, nws yooj yim los tsim phytotoxicity, thiab koj tsis tuaj yeem siv tshuaj tua kab hauv huab cua.
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Post lub sij hawm: Dec-02-2020