Gramafix® Sayuran Umbi ( Fertilizer for Root Crops ) as fertilizer formula for tuber and root crops like : onion, edible tuber, potato, casiavera, sweet potato, cassava, flower gardening, carrots, etc. Its contain complete ingredient such as macronutrient NPK ( Nitrogen, Phosphorus, Kalium/ Potassium) , secondary nutrient MgSCa ( Magnecium, Sulfur, Calcium/ Potash) and micro essential element ( Zn, B, Bo, Cl, Mn, Fe) . The formulation has registered at Ministry of Agriculture Republic Indonesia Number : T902/ BSP/ II/ 2003. Complete nutrient, which as tablet appereance or form on 3 grames contains ( N, P, K, Mg, S, Ca+ micro) nutrient on 17-8-17-3-7-3+ microelement formulating composition .

Tuber and Root crops need Gramafix® Sayuran Umbi as same as 35 % than single fertilizer totally amount usually farmer using such as Urea, Phosphates and KCL/ Potassium. For example, fertilizing applications for potato crops at one ha need 170 kg/ ha/ season only. Gramafix® Sayuran Umbi efficiency increasing and hope it could to grow up farmer income.