Nws tsis pub leejtwg paub tias kev vam meej ntawm kev loj hlob feem ntau ntawm cov qoob loo yog qhov loj nyob ntawm kev qhia txog kev ntxiv fertilizing. Ib qho ntawm feem nrov ntawm cov pob zeb hauv av chiv yog ntsev. Cia peb paub nws closer.
Dab tsi yog chiv ntawm ntsev?
Nyob rau hauv qhov tseeb, nitre yog feem ntau to taub raws li ammonium nitrate. Qhov yeeb tshuaj, tso tawm rau hauv daim ntawv ntawm granules los yog hmoov, tseem hu ua ammonium nitrate los yog ammonium nitrate. Ntsev yog ib qhov chaw ntawm nitrogen, lub ntsiab nutrient rau cov nroj tsuag, lawv txoj kev loj hlob, kev loj hlob. Tsis tas li ntawd, qhov sib ntxiv ntawm ammonium nitrate txhawb nqa ib qho nce nyob rau hauv cov qoob loo tawm los thiab lub sij hawm ntawm fruiting. Los ntawm txoj kev, saltpetre yog ib qho ntawm feem ntau pob zeb hauv av chiv: nws yog pheej yig, zoo, kiag li hauv soluble dej. Nws muaj 34% nitrogen.
Daim ntawv thov ntawm fertilizer nitrate
Ammonium nitrate yog siv ua ib qho chiv rau yuav luag tag nrho cov qoob loo thiab txhua hom ntawm xau (tshwj tsis yog podzolic). Feem ntau, ammonium nitrate yog siv nyob rau hauv lub caij nplooj ntoos hlav thaum sown, thiab tom qab ntawd ces raws li ib tug fertilizer. Los ntawm txoj kev, fertilizer nitrate yog zoo dua nrog potassium thiab phosphorus kom ua tau ntau dua tawm los.
Raws li qhov ntau npaum li cas, ammonium nitrate nrog av tsiaj hiav txwv feem ntau yog dispersed nyob rau hauv ib qho nyiaj ntawm 10-20 g ib 1 m & sup2 cultivated av. Hauv cov av tsis muaj vaj huam sib luag, qhov khoom noj tau nce mus rau 30-50 g ib m & sup2. Thaum cog seedlings nyob rau hauv txhua lub qhov yog pom zoo kom ua 3-4 g ntawm fertilizer. Nyob rau hauv lub neej yav tom ntej, raws li ib tug to top hnav khaub ncaws, 30 g ntawm ammonium nitrate yog dissolved nyob rau hauv 10 liv dej thiab qhov no daws yog watered nrog 10 m & sup2 xau. Ntsev yuav tuaj yeem kis tau rau saum npoo av, thiab tom qab ntawd ncuav tus nqi tsim nyog ntawm cov dej. Tab sis nyob rau hauv txhua rooj plaub, tsis txhob nce cov tshuaj no ib leeg.
Thov nco ntsoov tias nyob rau hauv daim ntawv ntawm foliar pub mis, ammonium nitrate yuav tsis siv! Qhov no yuav ua rau muaj hlawv cov nroj tsuag. Tsis txhob siv cov ntsev siv los noj cov zucchini , dib, taub, uas tuaj yeem tsim teeb meem rau nitrate.