Te whakauru o te waikawa humic me te tongi NPK
Hei whakakotahitanga o nga maniua nui, ka taea e te waikawa humic te whakauru i te N, P, K, te whakakotahitanga kotahi-ara, te whakakotahitanga-rua, te whakakotahitanga matua ranei, penei i te tongi hauota waikawa humic, te tongi waikawa humic phosphate, te tongi konupora waikawa humic, me te waikawa humic tongi pūhui. ...
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