Xov xwm

Potassium fertilizer tuaj yeem siv los ua cov chiv chiv los yog cov chiv ua chiv, thiab qee yam kuj tseem siv tau los ua cov chiv chiv, tab sis cov txiaj ntsig ntawm cov chiv ch...

Daim ntawv thov ntawm poov tshuaj chiv tuaj yeem txhawb cov photosynthesis ntawm cov qoob loo, txhawb cov qoob loo thiab txhim kho cov kab mob khaub thuas thiab kab mob ntawm co...

Txhawb kev ua kom cov enzymes Kev ua kom cov enzymes yog ib qho tseem ceeb tshaj plaws ntawm cov poov tshuaj hauv cov txheej txheem ntawm cov nroj tsuag loj hlob. Potassium tau ...

Daim ntawv thov ntawm cov poov tshuaj chiv tsis yog nyob ntawm qhov muaj peev xwm ntawm cov poov tshuaj ntawm cov av, tab sis kuj cuam tshuam los ntawm cov yam ntxwv xws li hom ...

Qhov loj ntawm cov nyhuv chiv nyob ntawm nws cov ntsiab lus potassium oxide. Feem ntau suav nrog potassium chloride, potassium sulfate, tsob ntoo tshauv, potassium Epsom ntsev, ...

Potassium fertilizer, lub npe tag nrho ntawm potassium chiv. Rau cov chiv nrog cov poov tshuaj ua cov khoom noj tseem ceeb, cov ntsiab lus ntawm cov poov tshuaj hauv cov nroj ts...

Cov kev tshwm sim dav dav ntawm cov khoom noj muaj nitrogen ntau dhau hauv cov qoob loo yog: kev loj hlob zoo heev, kev yug me nyuam ntawm axillary buds, ntau tillers, cuam tshu...

Hauv kev tsim khoom tiag tiag, nws feem ntau ntsib tias cov khoom noj nitrogen ntawm cov qoob loo tsis txaus lossis ntau dhau.

Natural gas, thee, thiab roj av yog peb cov ntaub ntawv tseem ceeb rau kev tsim cov chiv. Lawv feem ntau hu ua lub taub hau roj, lub taub hau roj, thiab roj taub hau.

Urea yog cov chiv uas muaj nitrogen ntau tshaj plaws ntawm cov chiv nitrogen. Nws muaj qhov ruaj khov ntawm lub cev thiab tshuaj lom neeg thiab tsis muaj kev cuam tshuam rau cov...

Txij li thaum xyoo pua 20th, kev tsim cov chiv nitrogen tau ua lub luag haujlwm tseem ceeb.

Ammonium nitrogen chiv muaj xws li ammonium bicarbonate (NH4HCO3), ammonium sulfate {(NH4) 2SO4}, ammonium chloride (NH4Cl), ammonia dej (NH3·H2O), kua ammonia (NH3), thiab lwm ...