At present, nitrogen pollution in the groundwater caused by fertilizer irrigation in the agricultural area has become an environmental problem of interest to the people.

当今农业地区灌溉施肥引起氮素对地下水的污染已成为人们普遍关注的环境问题。

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The results indicate that the nitrate-N leakage loss under the root zone caused by fertilizer irrigation could creat the pollution of shallow groundwater in Tangshan agricultural area.

计算结果表明，唐山农业区灌溉施肥引起根区以下硝态氮渗漏损失可造成浅层地下水的污染。

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Fertilizer irrigation experiment showed that distributions of both fertilizer and water applied through sprinkler system can be represented by an approximate similar normal distribution function.

喷灌施肥的试验结果表明，化肥施入量与灌水量的分布都可以用正态分布来表示，且它们的分布比较接近。

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If women can get the right training, high-quality seeds and access to irrigation and fertilizer, they will be able to grow more and more nutritious food while producing a surplus they can sell for a profit.

CNN: Empowered women make nations strong

In 2004 an official study group said efficient water management through micro-irrigation could help many save on fertilizer and labor, as well as the precious liquid itself.

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According to 2011 research at Nanjing Agricultural University, roughly 10% of all rice sold in China is tainted by cadmium, the result of use of industrial wastewater for irrigation, dumping of industrial waste and overapplication of fertilizer.

WSJ: Cadmium-Tainted Rice Found in Guangzhou