一、技术特征概要rrrrrrrrrn 腐植酸涂层尿素是依据HA的生物与化rrrrrrrrrn学特性而研制开发的一种新型长缓效氮肥。rrrrrrrrrn该技术通过HA对脉酶活性的抑制作用和rrrrrrrrrnHA与尿素结合形成疏水膜包裹于尿素表面 First, a summary of technical characteristics Humic acid coated urea is based on the biological and HA of HA r r r r r r r r r n learn characteristics and research and development of a new long-acting nitrogen fertilizer. r r r r r r r r n This technique is based on the inhibition of urease activity by HA and nHA combined with urea to form a hydrophobic membrane wrapped in urea surface