Cov txheej txheem:

Puas yog paj rwb yog dej siv qoob loo?
Puas yog paj rwb yog dej siv qoob loo?

Video: Puas yog paj rwb yog dej siv qoob loo?

Video: Puas yog paj rwb yog dej siv qoob loo?
Video: Hnu no sov sov li rov qab da dej dua | Paj Nruab Siab Channel 2024, Kaum ib hlis
Anonim

Txawm tias nws lub koob npe nrov, paj rwb tsis yog a dej - intensive qoob loo . Nws tau raug bred los ua droughttolerant, thiab nyob rau hauv ntau qhov chaw ntawm lub ntiaj teb no, nws tsuas yog nyob ntawm dej nag. Ib yam no muaj tseeb thoob plaws feem ntau ntawm Tebchaws Meskas - txog 60% ntawm Tebchaws Meskas. paj rwb yog tsim tsis muaj dej.

Ntawm no, dab tsi yog dej ntau tshaj cov qoob loo?

5 Cov qoob loo uas muaj dej ntau heev

  • Rice ua raws li ib qho ntawm cov khoom noj tseem ceeb tshaj plaws hauv ntiaj teb thiab Is Nrias teb yog ib qho ntawm nws cov neeg tsim khoom loj tshaj plaws.
  • Kuj hu ua 'dawb kub', Paj Rwb yog Kharif qoob loo.
  • Is Nrias teb yog tus thib ob loj tshaj plaws tsim tawm ntawm no nrov cashcrop.
  • Tom qab Green Revolution, cov nplej ntau lawm hauv Is Nrias teb tau nce siab.

Tsis tas li ntawd, cov paj paj xav tau dej ntau npaum li cas? Paj rwb Australia tshaj tawm tias qhov nruab nrab irrigationrequirement rau paj rwb yog 7.8 megaliters ib hectare. Qhov no tsawg dua nplej ntawm 12.6 megalitres, tab sis eclipses txiv hmab txiv ntoo thiab txiv ntoo (5.6 megalitres) thiab txiav paj thiab turf (4.9megalitres).

Ua li no, paj rwb puas yog cov qoob loo nqhis dej?

Nws muaj tseeb paj rwb thiab mov yog ob qho tib si nqhis dej ” qoob loo . Paj rwb xav tau txog 7.8 lab liters ib hectare kom loj hlob, thaum mov xav tau 12.6 lab liters ib hectare. Qhov tseem ceeb tshaj, txawm li cas los xij, lawv ob qho tib si txhua xyoo qoob loo . Thaum lub xyoo dej nyab lawv tuaj yeem txav mus rau hauv tag nrho cov khoom thiab loj hlob tuaj qoob loo.

Cov paj rwb puas siv dej ntau?

Rice xav tau ntau dua dej tshaj paj rwb ua qoob loo (12.6 megalitres ib hectare), thaum txiv hmab txiv ntoo thiab txiv ntoo tsis nqhis dej (yuav tsum tau 5.6 megalitres ib hectare), thiab txiav paj thiab turf. siv 4.9 megaliter perhectare ib.

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