The characteristics and status and transfer law of soil and water loss and nitrogen and phosphorus loss in the mesa areas of Dianchi lakeside are analyzed.
研究分析了滇池沿岸台地的水土流失和氮、磷流失的特征、形态、迁移规律。
The characteristics of nitrogen and phosphorus loss from rice field by natural rainfall runoff were studied in Shuangqiao Farm of Jiaxing city, located at the Yangtz river delta region.
采用具有单排单灌的试验小区，对水稻田在多次天然降雨条件下形成的径流中氮磷的流失特征进行了研究。
The paper introduces the research on comprehensive control technology of soil and water loss and nitrogen and phosphorus loss in stormed crack and excessive eroded soil in Dianchi lake basin.
介绍了滇池流域冲沟和强侵蚀区水土和氮磷流失控制研究的内容、方法及取得的效果等。
Change of phosphorus and nitrogen concentration in the leakage loss.
渗漏流失氮磷浓度的变化。
The characteristics of nitrogen(N) and phosphorus(P) loss under 5 land use patterns were studied in Sunjia small red soil watershed during the Course of rain.
研究了次降雨过程中红壤小流域5种不同土地利用方式土壤N，P养分流失特征。
The practical rate of gain and loss of nitrogen, phosphorus and potassium were all in the permit range, this indicated that exploit of nitrogen, phosphorus and potassium are rather reasonable.
氮磷钾的实际盈亏率均在允许盈亏范围内，说明氮磷钾养分利用情况比较合理。
The practical rate of gain and loss of nitrogen, phosphorus and potassium were all in the permit range, this indicated that exploit of nitrogen, phosphorus and potassium are rather reasonable.
氮磷钾的实际盈亏率均在允许盈亏范围内，说明氮磷钾养分利用情况比较合理。
应用推荐