节水灌溉能显著提高水分生产率。
Water saving irrigation can improve water productivity significantly.
亏缺灌溉还显著地提高了水分生产率。
The deficit irrigation also significantly increased water productivity.
采用滴灌和渗灌栽培的灌水量显著减少，极大地提高了水分生产率。
The subsurface irrigation and drip irrigation decreased significantly the irrigation rate and increased significantly water use efficiency.
水分生产率是评价农业灌溉用水管理水平和节水效果的一个重要指标。
Agricultural water productivity is an important indicator to assess the effect of irrigation water management and water conservation.
阐述了这些模式的田间水分控制标准以及节水、增产和提高水分生产率的潜力；
The standards of field water control and potential of saving water, increasing rice yield and water productivity of these regimes are introduced and explained.
在任一施肥水平上，不同灌溉方式之间的玉米灌溉水分生产率均表现出W2＞W1＞W0；
Third, in any fertilization level, the irrigation water productivity of the corn among the three irrigation methods was W2 > W1 > W0;
通过试验及分析建立了春小麦滴灌次数、滴灌定额与作物产量及灌溉水分生产率的函数关系。
The function of drip irrigation frequency, drip irrigation quota and crop yields, irrigation water productivity is established through the experiment values and data analysis.
沟播处理、缩行密植等优化土壤水流动系统技术，均能较大程度地提高作物的产量和水分生产率；
Such measures as row spacing reduced and close planting and furrow growing are propitious to optimize soil water flow system and they can greatly increase crop's yield and water use efficiency.
水分生产率表现出低氮肥处理高于高氮肥处理，水分相对较充分的W1处理小于水分相对较缺乏的W2处理。
While in two water treatments, water productivity of W1 treatment with relative more water was lower than that of W2 treatment with relative less water.
结果表明：灌溉水分生产率及毛入流量水分生产率总体上随空间尺度的增大而增大，但于某些年份在中等尺度上有降低的现象；
The results indicate that in general, the irrigation water productivity and gross inflow water productivity increase with the scale except in mesoscale it were decrease in some years.
结果表明：灌溉水分生产率及毛入流量水分生产率总体上随空间尺度的增大而增大，但于某些年份在中等尺度上有降低的现象；
The results indicate that in general, the irrigation water productivity and gross inflow water productivity increase with the scale except in mesoscale it were decrease in some years.
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