随施磷量增加，氨挥发速率峰值增高。
The peak of ammonia volatilization rate increased with the increase of phosphorus fertilizer application.
盐渍化类型和程度显著影响氨挥发速率；
The type and extent of soil salinization affect the evaporation rate of ammonia significantly.
当等量尿素追施入不同施磷处理土壤后，氨挥发速率出现规律变化。
Ammonia volatilization appears regular change in the condition of the same amount of urea applied to the soil with different treatments of phosphorus fertilizer application.
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；
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；
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%).
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