Organic fertilizer granular:Content of N (nitrogen) 16, K (K) 2, organic matter 20, amino acids 8 - ... competitive price 1). Specification Content of N (nitrogen) 16, K (K) 2, organic matter 20, amino acids 8 ... Content of N (nitrogen) 20.3, K (K) 3.7, organic matter ... 24, amino acids 8 2). Fertilization Method ...