Kwinjiza aside humic nifumbire ya NPK
Nkuruvange rwifumbire nini, acide humic irashobora guhuza N, P, K, guhuza inzira imwe, guhuza inzira ebyiri cyangwa guhuza ternary, nkifumbire ya acide acide ya azic, ifumbire ya acide fosifike, ifumbire ya potasiyumu ya humic, na acide humic ifumbire mvaruganda. ...
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