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: refer ...