Rice controlling irrigation techniques in NingXia are studied and the model of controlling irrigation on saline land is defined in this paper.
本论文主要对宁夏盐碱耕地水稻控制灌溉技术进行了研究，确定盐碱耕地控制灌溉模式。
The water environmental capacity model of one orientation river was adopted to the Ningxia section of Yellow River to calculate the water environmental capacitiy.
分析黄河宁夏段近年水质状况，采用单向河流水环境容量计算模型，确定了黄河宁夏段相应的水环境容量。
Poverty of mountainous areas of southern Ningxia was the typical model of environmental restriction.
宁夏南部山区的贫困系典型的环境制约型地区的贫困。
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