Organic chiv nas

(1) xim xim chiv muaj ntau yam organic teeb meem thiab cov nitrogen, phosphorus, poov tshuaj, thiab lwm yam tuaj yeem muab cov khoom noj xav tau los ntawm cov nroj tsuag.

(2) Xim cov roj chiv tuaj yeem txhim kho cov dej tuav lub peev xwm ntawm cov av, txo cov dej poob thiab txhawb nqa dej tuav lub peev xwm ntawm cov dej muaj peev xwm.

(3) xim pleev xim cov txiv chiv tuaj yeem muab cov as-ham xws li nitrogen, phosphorus, phosphorus, phosphorus, phosphorus thiab poov tshuaj xav tau los ntawm cov nroj tsuag thiab txhawb kev cog tsob nroj thiab kev loj hlob.