Qeb Nroj noj haus

Txhua pawg neeg, ob leeg paub thiab novice, paub txog urea (carbamide). Qhov no nws yog ib tug ntau yam thiab heev zoo fertilizer rau lub vaj teb. Hnub no peb yuav qhia koj tias carbamide yog dab tsi, txog kev cai siv nws li chiv, thiab yuav ua li cas nrog cov tshuaj tua kab hauv vaj teb nrog carbamide. Dab tsi yog carbamide Urea (urea) - nitrogen fertilizer nyob rau hauv granules, uas yog dav siv nyob rau hauv horticulture thiab horticulture, dhau li ntawd nws yog pheej yig thiab pheej yig.

Txij thaum ancient sij hawm, tib neeg siv ntoo tshauv raws li ib tug fertilizer. Tshauv tsis tsuas fertilizes, tab sis kuj ua av. Kev siv cov tshauv nyob rau hauv horticulture ib txhij kho txhim kho ob qho tib si lub mechanical thiab tshuaj muaj peev xwm ntawm cov av. Tshauv tau muaj zog kom txo acidity, accelerate ripening ntawm compost thiab loosen cov av.

Lub ntsiab yam tsim nyog rau txhua tus nroj tsuag yog poov tshuaj, nitrogen thiab phosphorus. Lawv ua cov tshuaj ntxiv rau qhov kev txhawb nqa ntawm cov av, tab sis txhua tus nyias tau siv los txhawb qhov tsis muaj peev xwm ntawm ib los sis lwm yam khoom. Tsab ntawv no yuav qhia txog txhua yam txog potash ntsev - nws yog dab tsi, yog dab tsi potassium chiv, lawv qhov tseem ceeb rau cov nroj tsuag, yuav ua li cas potassium ntsev yog mined, yuav ua li cas nws yog siv nyob rau hauv liaj teb, dab tsi muab poov tshuaj rau cov nroj tsuag thiab cov cim qhia ntawm nws tsis muaj.

Top-dressing nrog pob zeb hauv av chiv yog ib qho tseem ceeb ntawm kev loj hlob txawv cov qoob loo, vim hais tias cov kev qhia txog cov organic teeb meem nyob ib leeg tsis muab tag nrho cov khoom tsim nyog. Yuav ua li cas chiv yuav tsum tau rau seedlings? Tsis muaj phosphorus thiab potassium, piv txwv li, yuav ua rau tsawg kawg ntawm cov suab thaj hauv cov txiv hmab txiv ntoo, nrog rau tsis muaj boron, qhov saj ntawm cov txiv hmab txiv ntoo los yog cov txiv hmab txiv ntoo yuav tsis yog nplua nuj thiab kev nthuav dav li peb xav, thiab tsis muaj nitrogen, kev loj hlob ntawm paj thiab txiv hmab txiv ntoo cov qoob loo yuav raug ntaus.

Yog hais tias koj xav tau ib tug nplua nuj sau, koj yuav tsum tsis yog tas li saib xyuas rau cov nroj tsuag thiab muab lawv nrog nyiam mob, tab sis kuj mus koom nyob rau hauv lawv cov fertilizer. Ib qho kev xaiv zoo heev ntawm ntau tus neeg ua liaj ua teb yog cov khoom lom "Shining-2", uas muaj cov kab mob ntawm cov khoom siv tau zoo.

Nws tau ntev tsis pub leejtwg paub tias cov poov no tsuas yog siv rau hauv kev ua noj thiab dej cawv, tab sis kuj siv tshuaj thiab tshuaj pleev ib ce. Lwm cov kev xaiv ntawm kev siv yog ib tug poov rau ib tug zaub vaj, rau pub cov nroj tsuag. Xav txog nyob rau hauv no tsab xov xwm li cas lawv cuam tshuam cov nroj tsuag thiab yuav ua li cas pub cov nroj tsuag nrog poov.