... ) 16-20.3%, K (K) 2, organic matter 20, amino acids 8 -competitive price Organic fertilizer grey black granular 1). Specification Content ... of N (nitrogen) 16-20.3%, K (K) 2, organic matter 20, amino acids 8 N 20.3% 2). Fertilization ... X 1.5 times the amount of urea applied3). Benefits: organic manure decomposition in soil, can improve fertilizer utilization and the ...