The proof could be provided by the microbial results that minimum tillage with minimum straw was a better technology to improve soil quality and do good to crops than tillage or no tillage.

通过对土壤微生物分析评价发现，在提高土壤质量和利于作物生长方面，少量秸秆还田少耕要优于少量秸秆还田翻耕和免耕。

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Ancient laborers paid great attention to adopting various techniques to improve soil quality when plowing the soil, so that the soil could keep sustainable fertility and high rate of yield.

古代劳动人民在土壤耕作过程中，非常注意采用各种技术对土壤性质进行改良，以期土壤保持长久不衰的肥力和高产出率。

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Practising intensive farming and loosening upper soil layer could hold rainfall water and make it penetrate into soil effectively, which could improve soil quality and crop moisture condition.

精耕细作、疏松表层、保持水土、充分接纳雨水就地入渗增大土壤水库贮水，可有效地改善农田土壤和作物水分条件。

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Corn harvests remain small. The researchers say farming methods in Sub-Saharan Africa need to improve or else poor quality soil will increase rural poverty.

VOA: special.2009.07.28

Trees can also improve water quality around farms by removing pollutants from soil and groundwater.

VOA: special.2009.09.08

The adoption of herbicide-resistant crops could help improve water and soil quality by reducing the need for tilling.

FORBES: Magazine Article

The scheme is an agri-environment scheme, which provides funding for farmers to manage their land in a way designed to benefit biodiversity and landscape features and improve the quality of water and soil.

BBC: Environment and Sustainability Committee

Zoning laws would be rewritten so that, over time, large parcels of abandoned land would be converted into landscaped open space networks that would capture and clean storm water, improve air quality, and clean contaminated soil as well as provide new recreational opportunities like bike paths and hiking trails and create habitats for local wildlife and migrating birds.

FORBES: Detroit's Innovative Survival Plan Is A Model For The World - But Will It Work?