Then, the pollution loads of Nitrogen and Phosphorus in Ningxia irrigation district were estimated using the model.
在此基础上,本文应用输出系数法对宁夏灌区的农业氮、磷污染负荷进行了估算。
参考来源 - 宁夏灌区农业氮磷流失污染负荷估算研究·2,447,543篇论文数据，部分数据来源于NoteExpress
就宁夏引黄灌区而言，气候变暖对水稻单产的贡献为2.51%。
In irrigation area of Ningxia, the contribution of climate warming to rice yield was 2.51%.
运用“311-A”试验设计，探讨宁夏盐池县城西滩扬黄灌区玉米氮、磷、钾肥料的最佳配比。
The"311-A"regression design was adopted to study the optimum ratio of N, P and K fertilizers on maize field of Yellow River Pumping Irrigation District in Cheng Xitan, Yanchi Ningxia.
本文应用农田水量平衡原理，建立了宁夏引黄灌区麦田灌溉横型，并对模型中有关参变量的计算进行了讨论。
This paper, using the principle of field water balance, establishes the irrigation model of Ningxia Yin-huang irrigation area, and discusses the calculation of parameters in the model.
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