Kungekudala, ixabiso le-nitrogen yasekhaya, i-phosphorus kunye ne-potassium ye-raw materials iye yanyuka, nangona i-market ye-urea iguquguquka kancinane kwixabiso eliphakathi, kodwa iqhutywe yileyibhile yokuprinta ngamazwe ngamazwe, lo mkhuba uphinde waqala. Ngokubhekiselele kwisichumiso sepotash, i-potassium chloride nayo iphinda ibuye...
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