Results showed that the rate of ammonia volatilization of coated-urea was lower than common urea under different water content conditions (10%. 15%. and 20%).
试验结果表明，在三种不同水分含量条件下（10％、15％、20％），涂层尿素施入土壤后氨挥发速率均比普遍尿素低；
The peak of ammonia volatilization rate increased with the increase of phosphorus fertilizer application.
随施磷量增加，氨挥发速率峰值增高。
Results showed that surface film could reduce ammonia volatilization significantly, but the effect was correlative to the addition rate of surface film.
结果表明，表面分子膜可有效抑制氨的挥发，但抑制效果跟分子膜用量有关。
应用推荐