Video: Dab tsi yog manure muab piv txwv?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Piv txwv ntawm quav muaj xws li luav, nees, nyuj, thiab qev po thiab ib guano. Piv txwv ntawm cov chiv muaj xws li cov tshuaj hluavtaws sib xyaw, cov zaub mov, thiab compost los ntawm decaying organic teeb meem.
Ib yam li ntawd, koj tuaj yeem nug, dab tsi yog manure piav qhia?
Cov quav yog cov organic siv los ua chiv hauv kev ua liaj ua teb. Manures txhim kho lub fertility ntawm cov av los ntawm kev ntxiv cov organic teeb meem thiab ntau cov as-ham, xws li nitrogen uas yog daig los ntawm cov kab mob hauv cov av. Lub sij hawm " quav " tau siv rau cov chiv inorganic yav dhau los, tab sis qhov kev siv tam sim no tsawg heev.
Tsis tas li ntawd, dab tsi yog manure ua los ntawm? Nyuj quav yog qhov pib ua los ntawm digested nyom thiab grain. Nyuj dung yog siab nyob rau hauv cov ntaub ntawv organic 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). Tsis tas li ntawd, nyuj quav muaj cov ammonia siab thiab cov kab mob uas muaj peev xwm txaus ntshai.
Ntawm no, dab tsi yog manure thiab hom manure?
Feem ntau tsiaj quav muaj cov quav. Cov hom tsiaj quav suav nrog kev ua liaj ua teb quav (FYM) los yog ua liaj ua teb slurry (kua quav ). FYM kuj muaj cov khoom cog (feem ntau straw), uas tau siv los ua txaj rau tsiaj thiab tau nqus cov quav thiab zis.
Koj siv quav nyab li cas?
Ib txoj hauv kev zoo tshaj siv quav nyab raws li tsob ntoo chiv Nws yog tsim nyog los sib tov nrog compost. Kev ua chiv quav tshem tawm qhov muaj peev xwm hlawv cov nroj tsuag. Lwm qhov kev xaiv yog kom nws mus rau hauv av ua ntej cog caij nplooj ntoos hlav, xws li thaum lub caij nplooj zeeg lossis caij ntuj no. Feem ntau, lub caij nplooj zeeg yog lub sijhawm zoo tshaj plaws rau siv quav nyab hauv vaj.
Pom zoo:
Dab tsi yog qhov piv txwv piv txwv hauv kev txheeb cais?
Nyob rau hauv kev txheeb cais, sampling bias yog ib tug bias nyob rau hauv uas ib tug piv txwv yog sau nyob rau hauv xws li ib tug txoj kev uas ib co tswv cuab ntawm cov neeg npaj muaj ib tug tsawg sampling probability tshaj lwm tus
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