Reasonable agronomic management practices can conserve black soils from erosion and regain black soil fertility, including contour ploughing and conservation tillage.

合理的农业管理措施，如等高耕作和保护性耕作可以在很大程度上控制黑土侵蚀，保持和恢复黑土肥力。

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The paper tries to define the concept of propaganda and education on wetland conservation, in order to generate greater social benefit from wetland and to better conserve wetlands.

湿地宣教是发挥湿地的社会效益，更好地保护湿地的内在需求。

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Working together with Native American liaisons and officials from among the Federally-recognized tribes nationwide, the ONAL identifies areas where both Federal and tribal conservation efforts can most effectively conserve fish, wildlife, plants, and their habitats.

WHITEHOUSE: Resources within U.S. Federal Agencies | The White House

Currently has 650 acres in conservation easements and is planning to conserve another 25, 000 acres.

FORBES: REAL ESTATES

If the goal was conservation, it seems unlikely that anybody would be encouraged to conserve by effectively hiding the cost of the tax.

FORBES: New York's Radical Energy Policy: Cut Taxes