...研究对象,通过大田试验,在土壤耕作和施肥2种农作措施下,设置:(1)免耕不施肥(NT_0);(2)翻耕不施肥(CT_0); (3)免耕+包膜尿素(NTCU);(4)免耕+黑铵(NTA);(5)免耕+猪粪(NTS);(6)免耕+复合肥(NTC);(7)翻耕+复合肥(CTC)7个处理,监测了水稻生育期内土壤不同层次微生物...
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关键词:氮素;包膜尿素;番茄;生理活性 [gap=3943]Key words: Nitrogen; Resin-coated urea; Tomato; Physiological activity
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A soil column leaching experiment was conducted in two textu reof calcareous soils to evaluate the fate of nitrogen froms of coated urea, ur ea and ammonium nitrate.
采用土柱淋洗试验方法，对包膜尿素、尿素和硝酸铵在石碴土和粘壤质石灰性土壤中氮的行为进行了评价。
参考来源 - 间歇淋洗干湿交替条件下氮肥的氮行为研究 The fate of nitrogen forms of nitrogen fertilizers under alternate leaching and drying conditionsThe slow-release character of the polymer-coated urea and the correlation between the slow-release property and coating material were researched.
重点研究了多组分聚合物树脂包膜尿素的缓释特性及其与膜材料之间的关系。
参考来源 - 聚合物包膜尿素的制备与缓释性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
分析了松香与石蜡的配比、涂层量对包膜尿素养分释放速率的影响。
Also, the influences of the ratio of rosin to paraffin wax in coating, and of coating weight on the nutrient release rate were discussed.
重点研究了多组分聚合物树脂包膜尿素的缓释特性及其与膜材料之间的关系。
The slow-release character of the polymer-coated urea and the correlation between the slow-release property and coating material were researched.
研究结果表明，研制的包膜尿素具有较好的缓释性能，并可以实现控制释放。
The result shows that the polymer-coated urea has excellent slow release property, it is capable to control the release rate of coated urea in the meantime.
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