In irrigation area of Ningxia, the contribution of climate warming to rice yield was 2.51%.
就宁夏引黄灌区而言，气候变暖对水稻单产的贡献为2.51%。
The grey relational degree analysis has been used to evaluate the 15 tested maize combinations in Yanghuang irrigation area of Ningxia province.
应用灰色关联度分析方法综合评价了宁夏扬黄灌区玉米品比试验的15个参试组合。
The suitable area was greatly extended in Northern Ningxia with irrigation.
当考虑灌溉条件时，可种植区范围在宁夏北部明显增加。
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