Farmers say they must plow under some of the stalks, cobs and leaves to reinvigorate the soil but can harvest most of this plant matter.

农民表示必须埋下一些玉米杆、玉米轴和叶子以回复地力，但大部份的玉米作物原料都可以采收。

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Based on an example from Datong Coalmines Group, the paper analyses possibility and usage of heavy plow under the conditions of thin seam coal face with Two Hard Roofs and gives out some proposals.

介绍了新型刨煤机的主要性能和结构特点以及使用条件，结合晋城矿区煤层赋存条件，论证了刨煤机在晋城矿区使用能大幅度地提高综采工作面煤炭块率。

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And does the U.S. want to motivate Brazil to plow under what remains of its forests?

FORBES: Magazine Article

Do we want to motivate Brazil to plow under what remains of its forests?

FORBES: Field of Dreamers

Then, the Obama Administration decided to scrap those years of work and plow under those mountains of money for a bright new idea: develop a single national system, run out of Washington.

FORBES: The Obama Doctrine: Decide In Secret, Impose In Public