This project improves soil 494ha. Each cubic meter soil could save the cost of 31yuan, totally save the cost 153 million Yuan.

本工程改良土壤494万立方米，每立方米土方可节约直接工程费用31元，共节约工程费1.53亿元。

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Bed planting improves soil fertility and structure and helps reduce erosion, water usage, herbicide use and facilitates mechanical and manual weeding.

垄播改善了土壤肥力和结构，对减少流失、水的利用和除草剂的施用也有帮助，也方便了机械和人工除草。

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Soil fumigation or sterilization before planting a crop frequently improves its zinc-supplying power or zinc availability .

作物种植前的土壤熏蒸或杀菌处理，经常可以增进土壤的锌素供应能力或提高锌的有效性。

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This improves the growth of roots and increases the movement of water through the soil.

VOA: special.2009.06.30

The mulch also improves the ability of the soil to hold moisture.

VOA: special.2009.06.30

Organic mulch protects but also improves the condition of the soil.

VOA: special.2009.06.30