Based on experiments, we analyzed and discussed the principles of Urea-N transformation and transport under drip-irrigation in the greenhouse.

在试验的基础上，分析讨论了温室滴灌条件下尿素氮运移分布和转化规律。

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Besides, we discussed the effects of different fertilization period on the principles of Urea-N transformation and transport under drip-irrigation in this paper.

并初步讨论了滴灌条件下不同灌溉施肥时段对尿素转化运移规律的影响。

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Soil column method was used to study the characteristics of the movement, transformation, and leach of urea-N in soil added by different ways of the fertigation.

采用室内土柱模拟试验方法，研究了不同灌溉施肥方式下尿素态氮在土壤中的迁移、淋溶和转化特征。

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