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Conclusions A short-term trial comparing conservation tillage systems (no-tillage and strip-tillage) to conventional tillage system (plow based tillage) for corn production in the irrigated arid Southwest shows that the yields under the conservation tillage systems were not significantly different from conventional tillage. In fact during the first trial year, the no-tillage had significantly higher fresh silage yield than the conventional tillage treatment. Many of the soil measurements assessed such as mean
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