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.

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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.

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