Organic matter is invaluable as an addition to any soil whether applied as manure as a cover crop or as a soil-improving crop.

有机物施加于任何土壤都是很宝贵的，不管施加的是厩肥、覆盖作物或是改土作物。

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The functions of SAPs were brief reviewed, such as the ability of improving soil structure and water retention, inhibiting water evaporation, promoting crop growth and output.

高吸水树脂可以通过抑制水分蒸发，增加土壤含水量以及改良土壤结构等方面，起到保水和促进作物生长发育以及提高产量的作用。

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As I documented in my October column, African deserts are receding, soil moisture is improving and crop production is dramatically increasing.

FORBES: Despite What You Hear, Global Warming Is Still Benefiting Africa

In response, I presented powerful evidence that African deserts are actually shrinking, soil moisture is improving, and crop production is dramatically increasing.

FORBES: Despite What You Hear, Global Warming Is Still Benefiting Africa