Okokuqala, ake sibheke izinto zokusetshenziswa ezisetshenziswa ekukhiqizeni umanyolo oyinhlanganisela: 1) Umanyolo we-nitrogen: ammonium chloride, ammonium sulfate, ammonium sulfide, urea, calcium nitrate, njll. 2) Umanyolo we-potassium: potassium sulfate, umlotha wotshani, njll. 3) Phosphat...
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