Gramafix® Karet ( Rubber Trees Compound Fertilizer Specific ) as complete compound fertilizer formulating special for rubber trees plant. Its contain complete essential ingredient such as macro nutrient (N, P, K), secondary nutrient (Mg,S,Ca) and micro essential nutrient ( Zn, B, Bo, Cl, Mn, Fe) with composition 19-10-15-3-4-2 + micro element. The formula registered at Ministry of Agriculture Department Republik of Indonesia Number : T905/BSP/II/2003.
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Complete nutrient essential, which as tablet former on 10 grams make rubber tree planting need as same as 35 % than single fertilizer totally amount as usually farmer using like Urea, SP and Potassium and Potash. For example, 1 (one) ha use 200 kg/ha/year only. Gramafix® Karet ( Rubber Compound Fertilizer Specific ) could increase efficiency and furthermore grows up farmer or estate income.