High-yield fertilization technology rau scallion
Tsim nyog fertilization yog tus yuam sij rau siab yield ntawm scallion, yog li yuav ua li cas fertilize scallion kom ua tau siab yield?
1. Yog tias siv ntau cov organic chiv, koj tuaj yeem siv cov tshuaj potassium tsawg dua. Hauv particular, tus nqi ntawm nitrogen chiv yuav tsum tsim nyog, thiab nws yuav tsum tau siv nyob rau hauv sib npaug nrog cov coj poov tshuaj chiv kom muaj ib tug zoo yield nce nyhuv. Txwv tsis pub, qhov muag tsis pom kev siv tshuaj nitrogen chiv tsis yog tsuas yog tsis muaj txiaj ntsig rau cov txiaj ntsig siab ntawm scallion, tab sis kuj yuav ua rau qhov zoo ntawm scallion poob qis, xws li qhov me me ntawm scallion, ntau nplooj, thiab saj ntawm scallion tsis yog. muaj zog, thiab txawm muaj iab saj. Nyob rau hauv cov nqe lus ntawm kev faib ua feem ntawm chiv, yuav tsum tau them nyiaj mloog mus rau lub balanced mov ntawm poov tshuaj chiv. Tshwj xeeb tshaj yog nyob rau hauv tej yam kev mob ntawm high-yield cultivation thiab tsis muaj organic chiv, yuav tsum tau them nyiaj mloog mus ntxiv rau daim ntawv thov ntxiv ntawm poov tshuaj chiv. Seaweed extract flake Algamas uas muaj qee tus nqi ntawm cov poov tshuaj tuaj yeem xav txog.
2. Feem ntau, nyob rau hauv lub siab yield theem ntawm scallion, pom zoo npaum li cas ntawm nitrogen chiv yog hais txog 667 square meters 1/15Ha, thiab 20-26 kg ntawm ntshiab nitrogen yog siv. Feem ntau cov chiv nitrogen ntau dhau, ua ke nrog cov dej ntau, tsis yog tsuas yog khib nyiab nitrogen chiv thiab nce nqi, tab sis kuj tsim cov scallion uas tsis tiv thaiv kev cia, deteriorate nyob rau hauv zoo, thiab yuav muaj kev tsis zoo rau ib puag ncig vim nitrogen. poob. Yog li ntawd, tus nqi ntawm nitrogen chiv yuav tsum tsim nyog, nyob rau hauv kev xaiv ntawm nitrogen chiv ntau yam, feem ntau yog urea, tab sis qhov zoo tshaj plaws nitrogen fertilizer ntau yam yog ammonium sulfate, vim hais tias scallion yog sulfur-hlub qoob loo.
3. Fertilization txoj kev
Tag nrho cov txheej txheem ntawm fertilization ntawm scallion yog muab faib ua ob ntu: hauv paus chiv thiab hnav khaub ncaws saum toj kawg nkaus. Tam sim no, lub hauv paus chiv ntawm qhov chaw uas scallion yuav tsum tau cog yog qhov zoo tshaj plaws 667 square meters, siv 4000-5000 kg ntawm zoo-decomposed high-zoo organic chiv, kis nws thaum npaj av, thiab plowing nws mus rau hauv lub av; Lub hauv paus chiv ntawm tshuaj chiv yuav tsum tau siv nrog tag nrho cov phosphate chiv, 40% nitrogen chiv thiab 60% poov tshuaj sulfate fertilizer, thiab ntau yam muaj peev xwm xaiv compound fertilizer los yog yooj yim fertilizer. Thaum xaiv cov chiv chiv, sulfur-based general-purpose los yog hom tshwj xeeb tuaj yeem raug xaiv, thiab cov chiv nitrogen siab yuav tsum tsis txhob siv.
Qhov tob ntawm daim ntawv thov ntawm lub hauv paus chiv yuav tsum yog li 15 cm. Kev hnav khaub ncaws saum toj kawg nkaus ntawm scallion tuaj yeem ua tiav hauv 2-3 zaug, thiab ntxiv 60% nitrogen chiv thiab 40% poov tshuaj chiv yuav siv rau thaum ntxov thiab nruab nrab ntawm cov nplooj tag nrho thiab cov dos ntsuab dawb tsim theem. , raws. Txoj kev hnav khaub ncaws saum toj kawg nkaus: cov nyhuv ntawm cov dej thiab cov chiv sib xyaw ua ke yog qhov zoo, thiab nws yog ib qho tsim nyog kom tsis txhob siv cov dej loj thiab nitrogen, txwv tsis pub, nws yuav tsis tsuas yog ua rau cov chiv siv tsawg, tab sis kuj tseem nchuav urea rau ntawm qhov chaw. lub caij ntuj sov, thiab nitrogen volatilization kuj yuav ua rau haus luam yeeb nplooj thiab seedlings.