Cov ntsiab lus tseem ceeb ntawm fertilization cov txheej txheem rau alkaline av

Av feem ntau yuav muab faib ua alkaline av, nruab nrab av, thiab acidic av. Cov av nruab nrab yog tsim rau feem ntau cov qoob loo cog qoob loo, thaum muaj zog alkaline thiab muaj zog acidic av tsis haum rau ntau cov nroj tsuag kev loj hlob, yog li kev ntsuas zoo yuav tsum tau coj los txhim kho. Tam sim no luv luv qhia txog txoj kev txhim kho ntawm alkaline av:
Cov ntsiab lus tseem ceeb ntawm fertilization cov txheej txheem rau alkaline av
Ua ntej, thaum fertilizing alkaline farmland av, kuj yuav tsum tau them nyiaj mloog mus rau nce daim ntawv thov ntawm decomposed organic chiv, decomposed farmhouse fertilizer, los yog straw rov qab mus rau lub teb, vim hais tias organic fertilizer, farmhouse fertilizer, thiab lwm yam muaj nuj nqi ntawm regulating acidity thiab alkalinity . Kev siv lub sijhawm ntev tuaj yeem ua lub luag haujlwm zoo hauv kev txhim kho thiab kho av, ntsuas av acidity thiab alkalinity, thiab txhim kho av fertility.
Thib ob, hauv alkaline farmland av, fertilization tuaj yeem ua ke nrog kev siv cov chiv chiv. 40-50 kilograms ntawm gypsum, feem ntau yog tsim los ntawm calcium sulfate, tuaj yeem siv rau ib daim acre (nco ntsoov tias quicklime yog siv rau cov av acidic, xyuam xim rau qhov sib txawv). Qhov no tuaj yeem ua rau av acidity thiab txo cov av alkalinity los ntawm gypsum. Tom qab 2-3 xyoo, thaum cov av nyob ze rau nruab nrab lossis acidic me ntsis, nws tuaj yeem nres.
Thib peb, thaum fertilizing alkaline farmland av, nws tsis yog tsuas yog yuav tsum tau kom tsis txhob siv alkaline chiv dua (uas yuav ua rau kom cov alkalinity ntawm cov av), tab sis kuj yuav xaiv ntau npaum li acidic chiv li sai tau (siv cov acidity ntawm chiv kom maj mam txo cov av). alkalinity ntawm cov av), xws li siv humic acid chiv, superphosphate, diammonium phosphate, poov tshuaj sulfate, calcium sulfate, ammonium sulfate, ammonium chloride, potassium chloride, ammonium nitrate, aluminium sulfate, ferrous sulfate (saib cov nyhuv sai tab sis luv luv alkali txo cov nyhuv. ), sulfur hmoov (saib cov nyhuv qeeb tab sis ntev alkali txo cov nyhuv) thiab lwm yam acidic chiv.
Thib plaub, thaum fertilizing alkaline farmland av, yuav tsum tau them nyiaj mloog mus rau kev sib sib zog nqus daim ntawv thov txoj kev xws li lub qhov thiab ditch daim ntawv thov ntawm nitrogen chiv (tshwj xeeb tshaj yog ammonium bicarbonate), txwv tsis pub nws yog ib qho yooj yim ua rau ib tug loj npaum li cas ntawm ammonia volatilization thiab nutrient poob nyob rau hauv nitrogen chiv;
Fifthly, alkaline av tuaj yeem txo qhov muaj phosphorus hauv av (phosphorus cov ntsiab lus tau yooj yim kho thiab ploj los ntawm cov av), uas tuaj yeem ua rau phosphorus tsis txaus thaum cog qoob loo. Yog li ntawd, alkaline av fertilization yuav tsum tau them sai sai mus nce tus nqi ntawm phosphorus kom tsim nyog.
Thib rau, cov qoob loo cog rau ntawm cov av alkaline yog qhov ua rau cov khoom noj tsis txaus xws li molybdenum, zinc, hlau, boron, thiab manganese. Yog li ntawd, thaum cog qoob loo ntawm alkaline av, nws raug nquahu kom siv cov chiv foliar raws sij hawm uas muaj cov ntsiab lus hais saum toj no thaum cog qoob loo kom tsis txhob muaj cov khoom noj tsis txaus los ntawm kev cuam tshuam rau kev loj hlob thiab tawm los.
Xya, thaum txhim kho alkaline av, tib neeg kuj tuaj yeem yuav cov av alkaline hloov kho rau kev siv.