Posachedwapa, mtengo wa zipangizo zapakhomo za nayitrogeni, phosphorous ndi potaziyamu zakhala zikukwera, ngakhale kuti msika wa urea wasintha pang'ono pamtengo wapakati, koma motsogozedwa ndi chizindikiro chosindikizira chapadziko lonse, chikhalidwecho chinayambiranso. Pankhani ya feteleza wa potashi, potassium chloride imabwereranso ...
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