1. Udi nke mbupụ fatịlaịza kemịkalụ Ndị bụ isi ụdị fatịlaịza kemịkalụ China na-ebupụ bụ fatịlaịza nitrogen, fatịlaịza phosphorus, fatịlaịza potash, fatịlaịza ngwakọta, na fatịlaịza microbial.N'ime ha, fatịlaịza nitrogen bụ ụdị kemịkal kachasị ukwuu ...
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