Stable nitrogen fertilizer muaj cov nyhuv ntawm kev txo cov chiv siv thiab nce yield ib mu. Nws tuaj yeem txhawb kev nqus cov kab mob xws li hlau, zinc, thiab manganese los ntawm cov qoob loo, chelate hlau ions, nqus cov kab mob siab, txhawb cov qoob loo thaum ntxov, thiab ua kom lub sijhawm sau qoob loo. Ib txhij siv cov chiv nitrogen ruaj khov tuaj yeem tiv thaiv kev nqus nitrogen ntau dhau los ntawm cov qoob loo, yog li inhibiting kab mob thiab txhim kho kom zoo.
Kev siv txoj kev ruaj khov nitrogen chiv:
1. Haum rau ntau hom av, dav siv hauv cov khoom noj khoom haus ntau, cov qoob loo kev lag luam, thiab cov qoob loo horticultural.
2. Nws tuaj yeem siv los ua cov chiv chiv los yog topdressing, thiab cov nyhuv ntawm kev siv nws li cov chiv chiv zoo dua. Ntau txoj hauv kev xws li furrow thiab qhov daim ntawv thov tuaj yeem siv tau.
3. Haum rau sprinkling, drip irrigation, sprinkler irrigation, thiab faus daim ntawv thov, nws yuav siv tau ib leeg los yog tov nrog lwm yam chiv.
4. Cov nyiaj tau los ntawm daim ntawv thov: dej thiab fertilization: 2-10 kg/mu/time, siv drip irrigation diluted ntau tshaj 200 zaug, thiab siv cov hauv paus irrigation diluted ntau tshaj 100 zaug. Cov koob tshuaj tshwj xeeb yuav tsum tau siv nyob rau hauv me me raws li cov qoob loo sib txawv thiab theem kev loj hlob.
