Cov neeg ua liaj ua teb siv ntau npaum li cas ib daim av?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

Thaum xav tau, tus nqi ntawm nitrogen mus txog li 40 mus rau 50 phaus ib acre tau yuav siv rau hauv chiv band muab N + K₂O daim ntawv thov ua tsis ntau tshaj 80 mus rau 100 phaus ib acre.

Tsuas yog li ntawd, pes tsawg yog chiv ib evkawj?

Nyob rau hauv 2017, implied cov nqi chiv yog $109 ib acre rau 2017 (saib Table 1), nqis los ntawm $20 ib acre los ntawm 2016 qib ntawm $129 ib acre , hais tias 2017 cov nqi chiv yuav qis dua 2016 nqi.

Ib sab saum toj no, cov neeg ua liaj ua teb siv hom chiv dab tsi? Feem ntau chiv uas feem ntau siv nyob rau hauv kev ua liaj ua teb muaj peb yam tseem ceeb cov as-ham: nitrogen, phosphorus, thiab poov tshuaj. Ib txhia chiv kuj muaj qee yam "micronutrients," xws li zinc thiab lwm yam hlau, uas tsim nyog rau kev loj hlob ntawm cov nroj tsuag.

Tsuas yog li ntawd, peb siv pes tsawg tons ntawm chiv txhua xyoo?

Zuag qhia tag nrho, kev tsim tawm ntawm plaub cov qoob loo no hauv ARMS xeev tau siv 15.4 lab tons ib xyoos twg (MT / xyoo) ntawm chiv nyob rau hauv 2015-2016 (Tshooj 2).

Fertilize cov qoob loo ntau npaum li cas?

Chiv muab cov khoom xav tau los ntawm cov nroj tsuag kom loj hlob zoo, xws li nitrogen, phosphorus thiab potassium. Lawv tuaj yeem ua qoob loo loj hlob sai thiab loj li ntawd tawm los yog nce . Cov tebchaw siv yuav tsum yog dej-soluble kom cov nroj tsuag tuaj yeem nqus tau los ntawm lawv cov hauv paus hniav.