Foliar fertilizer spraying yog ib qho ntawm feem ntau siv txoj hauv kev ntxiv-hauv paus topdressing. Ntau tus phooj ywg yuav sib tov foliar chiv nrog tshuaj tua kab hauv cov txheej txheem ntawm daim ntawv thov. Txawm li cas los xij, vim muaj cov khoom sib txawv ntawm ntau yam chiv thiab tshuaj tua kab, yog tias qhov sib xyaw tsis tsim nyog, nws yuav cuam tshuam rau cov nyhuv ntawm cov tshuaj, thiab txawm tias tsim cov chiv puas. Dab tsi yuav tsum tau them sai sai rau thaum sib xyaw foliar chiv thiab tshuaj tua kab?
Dab tsi yuav tsum tau them sai sai rau thaum sib xyaw foliar chiv thiab tshuaj tua kab?
Ua ntej, nws yog ib qho tsim nyog los xyuas kom meej tias foliar chiv thiab tshuaj tua kab yog tov nrog cov yam ntxwv ruaj khov
Qee cov foliar chiv tuaj yeem ua rau cov tshuaj tua kab tom qab sib xyaw, uas tuaj yeem cuam tshuam cov txiaj ntsig ntawm cov chiv thiab tshuaj tua kab thiab txawm ua rau cov chiv puas. Piv txwv li, foliar chiv uas muaj boric acid, ferrous sulfate thiab lwm yam feem ntau yog acidic, thaum tooj liab npaj xws li tooj liab hydroxide yog alkaline. Yog tias nws yooj yim rau kev hnov mob tom qab sib tov, nws yuav cuam tshuam rau ib leeg.
Yog li ntawd, thaum sib tov foliar chiv nrog tshuaj tua kab, thawj yam uas yuav tsum tau them sai sai rau yog acidity thiab alkalinity. Nws tseem yuav tsum tau ua cov kev ntsuam xyuas kom pom seb puas muaj flocculation, nag lossis daus, npuas thiab lwm yam tshwm sim tom qab sib tov. Yog tias cov tshuaj ua kua muaj qhov tsis zoo, nws tsis haum rau kev siv sib xyaw. Txawm hais tias lub cev lub cev ntawm cov tshuaj ua kua yog qhov zoo tom qab sib tov, ib qho kev sim me me yuav tsum tau ua kom pom tias nws yooj yim ua rau cov chiv puas, thiab tom qab ntawd siv nws hauv thaj chaw loj.
Qhov thib ob, nws yog ib qho tsim nyog yuav tsum tau them sai sai rau qhov kev txiav txim ntawm foliar chiv thiab tshuaj tua kab ntxiv thaum sib tov
Thaum muab tshuaj, cov neeg ua liaj ua teb yuav tsum siv cov dej txaus los npaj ib koob tshuaj ua kua ua ntej, thiab tom qab ntawd dilute lwm koob tshuaj nrog cov tshuaj no. Txawm li cas los xij, nws tsis tuaj yeem sib tov ob zaug ib zaug ua ntej thiab tom qab ntawd dilute lawv nrog dej kom tsis txhob muaj kev phiv tshuaj. Thaum sib tov, qhov kev txiav txim ntawm kev ntxiv dej rau foliar chiv thiab tshuaj tua kab feem ntau yog raws li nram no: foliar fertilizer, wettable hmoov, tshem tawm tus neeg sawv cev, dej neeg sawv cev, thiab emulsifiable concentrate yog ntxiv nyob rau hauv lem, thiab txhua tus yog tag nrho stirred thiab tov, thiab ces tus lwm tus ntxiv.
3. Cov kua sib tov yuav tsum tau npaj thiab siv thaum nws npaj txhij
Txawm hais tias qee qhov foliar chiv thiab tshuaj tua kab tsis muaj qhov cuam tshuam tsis zoo thaum lawv nyuam qhuav npaj, lawv yooj yim tsim cov tshuaj tiv thaiv qeeb thaum lawv muab tso rau ntev, kom cov nyhuv ntawm cov chiv thiab tshuaj tua kab ploj, thiab txawm tias chiv thiab tshuaj tua kab puas tsuaj. ua.
Cov saum toj no yog qee yam uas yuav tsum tau them sai sai rau thaum sib xyaw foliar chiv thiab tshuaj tua kab.