Farmers say they need less rainwater if they use fertilizer trees. The trees reduce water runoff and soil erosion.

农民说，如果使用肥料树，他们只需要很少的雨水。这种树可以减少水分流失和土壤侵蚀。

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The pollutions were related to soil, fertilizer, irrigation water and air.

污染和土壤、肥料、灌溉水及空气有关。

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Straw mulched could improve soil granular structure, and increase the content of water-stable aggregates, so the ability of permeability, fertilizer and water conservation got improved.

秸秆覆盖还田促进土壤团粒结构形成，提高了土壤水稳性团聚体含量，从而改善了土壤通透性和保水保肥性。

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In addition to fuel, 60 different products come from the tree, it requires little water, no fertilizer, is pest resistant, and it enhances the soil in which it grows.

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