NjengoMcoci weMbewu kunye noMvelisi weGrader, yabelana nawe.Umatshini wokucoca iinkozo usetyenziselwa ukususa amagqabi, umququ, uthuli, kunye neenkozo ezihluthiweyo kwiinkozo.Izinga layo lokususa ukungcola kwe-organic lifikelela kwi-90% kwaye izinga lokususa ukungcola kwe-inorganic lifikelela kwi-92%.Ineenzuzo zokubonakala okuhle ...
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