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Cropping Systems, Tillage and Soil Fertility Effects on Cotton Yields

J.E. Matocha, S.G. Vacek, and M.P. Richardson

ABSTRACT

Increased plant nutrient utilization, improved weed control and higher crop yields are usual benefits from crop rotation. Grower interest in use of conservation tillage has increased in the South. Such factors as conservation of soil, water and product output economics have influenced this change. Research evaluating crop rotations with feed grains and legumes which utilize biological nitrogen fixation under various conservation tillage systems in the Southwest is limited.

The objectives of our research included the development of crop rotation/tillage systems and nitrogen (N) fertility levels for profitable production of major crops of feed grain and cotton; and to investigate the contribution of a legume in rotation to the N fertilizer requirements of cotton.





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Document last modified April 16, 2003