Puas yog nyuj quav chiv suav tias yog organic?
Puas yog nyuj quav chiv suav tias yog organic?

Video: Puas yog nyuj quav chiv suav tias yog organic?

Video: Puas yog nyuj quav chiv suav tias yog organic?
Video: Puas yog kuv tsis txawj qoj suab xyooj nkauj tawm tshiab 2024, Kaum ib hlis
Anonim

Nyuj quav yog tsim los ntawm digested nyom thiab nplej. Nyuj nyuj yog nyob rau hauv siab organic cov ntaub ntawv thiab nplua nuj nyob rau hauv cov as-ham. Nws muaj li ntawm 3 feem pua nitrogen, 2 feem pua phosphorus, thiab 1 feem pua poov tshuaj (3-2-1 NPK). Ntxiv rau, nyuj quav muaj cov ammonia siab thiab cov kab mob uas muaj peev xwm txaus ntshai.

Ntawm no, cov neeg ua liaj ua teb puas siv quav nyab?

Hauv organic ntau lawm, quav feem ntau yog siv rau daim teb raws li raw quav (tshiab los yog qhuav) los yog composted quav (Kupper, 2003). Cov quav tuaj yeem ntxiv cov zaub mov tseem ceeb (nitrogen, potassium, thiab phosphorus, suav nrog NPK) rau hauv av thiab txhim kho cov av zoo.

Qhov thib ob, nyuj quav quav puas txaus ntshai rau tib neeg? Tsiaj quav yog qhov tseem ceeb ntawm tib neeg kab mob. Txaus ntshai Cov kab mob xws li E. coli O157: H7, Listeria, thiab Cryptosporidium muaj nyob hauv nyuj , yaj, thiab mos lwj quav . Kev xa tawm los ntawm cov nqaij qaib, cov noog qus, thiab txawm tias tsiaj yog qhov muaj peev xwm ntawm cov kab mob Salmonella.

Ntawm no, dab tsi yog organic nyuj manure?

Composted Nyuj quav yog ib organic av hloov kho rau zaub vaj, paj txaj, nyom thiab toj roob hauv pes. Nws yog ib tug natural organic cov khoom uas yog aerobically composted thiab ntxiv tsheej lab ntawm cov microbes muaj txiaj ntsig los txhim kho cov qauv hauv av thiab txhawb kev loj hlob ntawm cov nroj tsuag noj qab haus huv.

Dab tsi yog pH ntawm nyuj quav?

Manure pH (tshwj tsis yog nqaij qaib quav ) txo qis nrog composting (Daim duab 4). Cov pH ntawm nyuj quav yog 8.7 nyob rau hauv tshiab thiab txo mus rau 7.7 nyob rau hauv composted qauv. Rau ntxhuav quav , cov pH yog 8.6 nyob rau hauv tshiab thiab 8.5 nyob rau hauv compost, rau nyuj quav pH yog 8.5 nyob rau hauv tshiab thiab 7.4 nyob rau hauv quav compost.

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