Hauv kev mus nrhiav tau zoo thiab ib puag ncig phooj ywg kev txhim kho niaj hnub no, nrog lawv cov kev sib txawv, tab tom ua qhov kev nyiam tshiab hauv kev ua lag luam chiv. Cov tshuaj chiv no tsuas yog siv tsis tau ntawm cov chiv, txo txoj kev muaj kuab paug ntawm cov qoob loo, tab sis kuj tseem muaj kev loj hlob tshiab rau hauv kev txhim kho kev ua kom ruaj khov.
Tshuaj Txhuam - Tshaj tawm chiv, tseem hu ua cov chiv, yog ib daim ntawv siab ntawm qeeb- Tshaj tawm chiv. Lawv tswj cov tshuaj lom zem ntawm cov khoom noj khoom haus hauv cov chiv hauv txheej, encapsulation, kom paub ntxiv tias cov khoom noj uas muaj txiaj ntsig zoo ntawm cov qoob loo thaum lawv txoj kev loj hlob. Qhov no ua tiav cov hom phiaj ntawm ntev {{}} ntev thiab muaj txiaj ntsig zoo. Kev tswj hwm - Tshaj tawm chiv sawv cev rau kev tsim kho niaj hnub, thiab tshwj xeeb yog ua tau raws li cov kev xav tau ntawm kev siv cov noob thiab chiv.
Lub micro - pores rau ntawm daim nyias nyias ntawm kev tswj hwm {}}} dej tsis tuaj yeem hla ncaj qha. Tsuas yog cov roj av molecules tuaj yeem nkag mus rau daim nyias nyias. Yog li ntawd, sib nrug ntawm cov dej lwg me me muaj peev xwm ywj siab nkag thiab tawm ntawm daim nyias nyias, cov chiv chiv yog cais tawm ntawm sab nraud. Tus nqi ntawm cov khoom noj muaj txiaj ntsig tsuas yog cuam tshuam nrog lub zog ceev ntawm cov dej lwg me me thiab qhov sib zog ntawm cov dej lwg me me nyob ntawm seb kub. Qhov no ua rau cov zaub mov ua kom tawg ntawm kev tswj hwm {{tso chiv ua kom cov nroj tsuag xav paub txoj kev xav tau.
Piv nrog tsoos chiv, tswj - Tshaj tawm chiv muaj qhov tseem ceeb. Firstly, lawv muaj qhov siab fertilizer siv tus nqi siv. Cov chiv ua chiv keeb muaj kev txom nyem los ntawm kev ua kom mob hnyav, nrog tsawg dua 30% ntawm cov as-ham tau siv los ntawm cov qoob loo. Hauv kev sib piv, tswj - Tshaj tawm cov chiv keeb, tiv thaiv kev ua kom muaj txiaj ntsig, thiab ntau dua 80% thaum siv nyob ze ntawm cov hauv paus hniav. Secondly, controlled-release fertilizers have a remarkable yield-increasing effect. Los ntawm kev tswj hwm cov zaub mov tso tawm, lawv xyuas kom muaj cov khoom noj muaj nqis thiab kev tsis tu ncua rau cov qoob loo, zam kev loj hlob ua kom muaj kev loj hlob, yog li ua tau zoo tshaj plaws hauv kev tawm los.
Ib qho ntxiv, tswj tau - Tshaj tawm cov chiv muaj ntau yam zoo xws li txuag cov kab tsuag, txhim kho cov av thiab cov sulfur rau cov qoob loo. Kev siv ntawm kev tswj hwm - Tshaj tawm chiv tuaj yeem txo cov zaus ntawm kev ua haujlwm thiab txuag tib neeg thiab cov khoom siv tau. Lub caij no, cov khoom siv txheej ntawm kev tswj {{tso chiv rau cov kab mob polysulfide, uas muaj cov kab tsuag thiab cov kab tsuag txo qis siv tshuaj tua kab. After the nutrients are released, the empty shells can retain water and moisture, providing aeration and nutrient retention functions, improving soil structure and making long-term compacted soil loose. Tsis tas li ntawd, qhov khoob me me ntawm kev tswj hwm- Tshaj tawm cov chiv keeb kwm tom qab cov qoob loo, muab cov sulphur uas tsim nyog rau cov qoob loo.
