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STUDI KUALITAS PUPUK FOSFOR (P) DAN KALIUM (K) YANG DIJUAL DI KIOS PENYALUR RESMI PUPUK DI KABUPATEN BOGOR, CIANJUR, DAN SUKABUMI, JAWA BARAT
(Bogor Agricultural University (IPB)Bogor Agricultural University (IPB), 2012)
Many low quality of inorganic phosphorus (P) and potassium (K) fertilizers are sold at the authorized fertilizer distributors in sub-districts or villages..