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Influence of crop rotation and soil treatment upon the yield of crops on Porter's loam soil


, : Influence of crop rotation and soil treatment upon the yield of crops on Porter's loam soil. N. C. Agric. Expt. Sta. Bull, 315: 12

Crop yields were materially increased by the use of a good crop rotation system, as exemplified by the 3- and 2-year rotations in which suitable legumes were grown and ploughed into the soil for improvement.

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