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Abstract

Conservation tillage was used on more than 99 million acres in 1994, about 35 percent of U.S. planted crop area. Five years earlier, the total conservation-tilled acreage was 72 million. Besides conserving soil, crop residue management practices also cut production costs on many farms. Advantages of crop residue management systems over conventional systems include fuel and labor savings, lower machinery investments, and long-term benefits to soil structure and fertility.

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