Peranan Keragaman Mineralogi Lempung dalam Strategi Pernupukan P pada Tanah-Tanah Mineral Masam.
Acid mineral soils play an important role in agricultural extension in Indonesia. Major distribution of these soils are in Sumatra, Kalimantan, Sulawesi and West Papua. These soils were viewed as a marginal soil since the productivity level is low due to severely deficient in P and micronutrients. T...
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[Yogyakarta] : Universitas Gadjah Mada
2002
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