N'oge na-adịbeghị anya, ọnụ ahịa akụrụngwa nitrogen, phosphorus na potassium na-arị elu, n'agbanyeghị na ahịa urea agbanweela ntakịrị n'ọnụ ahịa etiti, mana n'ihi akara mbipụta nke mba ụwa, usoro a amalitela. N'ihe gbasara fatịlaịza potash, potassium chloride nwekwara ret ...
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