Coversation tillage is called a world’s agricultural revolution , and new technique in agriculture mechanization which agricultural department mainly generalize. It haves remarkable benefit of economy ,society and zoology, such as keeping entropy and enhancing soil fertility , reducing erode of water and wind , restraining sand dust devil , decreasing working procedure , depressing task cost and increasing farmer’s income and so on . At present, the core that conversation tillage technique is popularized an...
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