Efektivitas pupuk fosfat alam gafsa-tunisia pada tanaman karet muda=The effectivity of tunisian-gafsa rock phosphate fertilizer on young rubber plants.
An experimental research on the effectiveness of GAFSA Rock Phosphate to rubber plant was carried out in greenhouse, using 'RR1C 100' clone at six months old planted in polybag and arranged in completely randomized design, and in field, using completely randomized block design with 'G...
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[Yogyakarta] : Universitas Gadjah Mada
2000
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