Cov txheej txheem:

Qhov twg ntawm cov ntsiab lus hauv qab no feem ntau pom nyob rau hauv feem ntau cov chiv?
Qhov twg ntawm cov ntsiab lus hauv qab no feem ntau pom nyob rau hauv feem ntau cov chiv?

Video: Qhov twg ntawm cov ntsiab lus hauv qab no feem ntau pom nyob rau hauv feem ntau cov chiv?

Video: Qhov twg ntawm cov ntsiab lus hauv qab no feem ntau pom nyob rau hauv feem ntau cov chiv?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Cov tshuaj chiv niaj hnub suav nrog ib lossis ntau dua ntawm peb lub ntsiab lus tseem ceeb tshaj plaws hauv cov zaub mov cog: nitrogen , phosphorus , thiab poov tshuaj . Qhov tseem ceeb thib ob yog cov ntsiab lus leej faj , magnesium, thiab calcium.

Yog li ntawd, dab tsi yog cov ntsiab lus pom nyob rau hauv chiv?

Nitrogen , phosphorus thiab poov tshuaj, los yog NPK, yog "Big 3" cov khoom noj khoom haus tseem ceeb hauv kev lag luam chiv. Txhua yam ntawm cov as-ham tseem ceeb no ua lub luag haujlwm tseem ceeb hauv cov zaub mov ntawm cov nroj tsuag. Nitrogen suav tias yog cov khoom noj tseem ceeb tshaj plaws, thiab cov nroj tsuag nqus tau ntau dua nitrogen tshaj lwm yam.

Tsis tas li ntawd, cov ntsiab lus twg tseem ceeb tshaj plaws rau cov nroj tsuag? Tsawg kawg yog 17 lub ntsiab lus paub tias yog cov khoom noj tseem ceeb rau cov nroj tsuag. Nyob rau hauv tus nqi loj, cov av muab nitrogen, phosphorus, potassium, calcium, magnesium , thiab sulfur; cov no feem ntau hu ua macronutrients.

Xav txog qhov no, dab tsi yog chiv ua los ntawm?

Feem ntau, chiv yog muaj li ntawm nitrogen, phosphorus, thiab potassium compounds. Lawv kuj muaj cov kab kawm uas txhim kho kev loj hlob ntawm cov nroj tsuag. Cov khoom tseem ceeb hauv chiv yog cov as-ham uas tseem ceeb rau cov nroj tsuag loj hlob. Cov nroj tsuag siv nitrogen hauv kev sib txuas ntawm cov protein, nucleic acids, thiab cov tshuaj hormones.

Cov npe ntawm cov chiv yog dab tsi?

Daim ntawv teev cov tshuaj chiv ua liaj ua teb

  • Urea.
  • Ammonium nitrate.
  • Ammonium sulfate.
  • Calcium nitrate.
  • Diammonium Phosphate.
  • Monoammonium phosphate.
  • Triple Super Phosphate.
  • Potassium nitrate.

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