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Cropping System and Nitrogen Effects on Mollisol Organic Carbon

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, no. 1 (1996): 264-269

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Time, fertilizer, tillage, and cropping systems may alter soil organic carbon (SOC) levels. Our objective was to determine the effect of long-term cropping systems and fertility treatments on SOC. Five rotations and two N fertility levels at three Iowa sites (Kanawha, Nashua, and Sutherland) maintained for 12 to 36 yr were evaluated. A 75...更多

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C. A. Robinson
C. A. Robinson
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