Video: Fertilizer puas hloov av pH?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
- Ntawm tag nrho cov loj chiv cov as-ham, nitrogen yog lub ntsiab nutrient cuam tshuam av pH , thiab av tuaj yeem ua acidic lossis ntau dua alkaline nyob ntawm hom nitrogen chiv siv. Phosphoric acid yog acidifying phosphorus tshaj plaws chiv . - Potassium chiv muaj me me los tsis muaj kev cuam tshuam rau av pH.
Nyob rau hauv tas li ntawd, dab tsi fertilizer tsub kom lub acidity ntawm av?
Nitrogen Fertilizers Qhov no nce av acidity tshwj tsis yog cov nroj tsuag ncaj qha absorbs lub ammonium ions. Qhov ntau dua qhov nitrogen fertilization tus nqi, ntau dua cov av acidification. Raws li ammonium yog hloov mus rau nitrate hauv av (nitrification), H ions raug tso tawm.
urea puas hloov av pH? Tag nrho cov nyhuv rau av pH nyob ze rau nruab nrab. Txawm li cas los xij, kev siv tas li ntawm nitrate-N raws li chiv nce av / substrate pH . Ammonium-N raws li chiv xws li nitrogen tov (ib tug sib tov ntawm ammonium nitrate thiab urea yaj hauv dej) yog siv los tswj pH nyob rau hauv lub ntshaw me ntsis acidic ntau yam.
Raws li txoj cai, koj ua li cas nce qib pH hauv av?
Nce qhov pH . Xaiv cov khoom liming. Yog tias koj tau kuaj koj av thiab pom tias nws yog acidic dhau lawm, koj ua tau tsa tus pH los ntawm kev ntxiv lub hauv paus. Cov khoom siv feem ntau siv los ua nce tus pH ntawm av yog cov tebchaw ua los ntawm cov hmoov limestone, los yog txiv qaub, uas koj tuaj yeem nrhiav tau ntawm ntau lub tsev thiab lub khw muag khoom vaj.
Dab tsi yog pH ntawm fertilizer?
Av pH yog ib qho kev ntsuas ntawm acidity thiab alkalinity hauv av. pH theem ntawm 0 mus rau 14, nrog 7 yog nruab nrab, qis dua 7 acidic thiab siab dua 7 alkaline. Qhov zoo pH ntau yam rau cov nroj tsuag feem ntau yog nruab nrab ntawm 5.5 thiab 7.0; Txawm li cas los xij, ntau cov nroj tsuag tau yoog kom vam meej ntawm pH muaj nuj nqis sab nraum qhov no.
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