Production and efficacy test of controlled release fertilizer (CRF) in lahar-affected areas and coarse textured soil
2000
Anon.
The project determined the optimum operating conditions for the coating of granulated fertilizers and has produced the following types of granulated and coated single and complete fertilizers as follows: 1) coated complete fertilizer (11.8-8.34-8.74); 2) coated complete fertilizer (14-11-18); 3) coated potassium chloride [KCl] (56.4% K2O); 4) coated urea (35% N); 5) coated urea (18.5% N); and 6) coated diammonium phosphate [DAP] (15-34. 4-0). The amount of nitrogen-phosphorus potassium (NPK) released from CRF samples was tested at different types and amounts of coating materials under different temperature
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