Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 July 1965
Published in Agron J 57:404-406 (1965)
© 1965 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Supplying Calcium and Magnesium for Cotton on Sandy, Low Cation Exchange Capacity Soils1

G. D. McCart and E. J. Kamprath2

Synopsis: Results indicated that it would be desirable to lime sandy, low-CEC soils to a pH of 6.2–6.5 for optimum growth of cotton. The presence of soluble Al at pH levels of 5.5 and below appeared to be an important factor in reducing the growth of cotton. It was found that soil acidity had to first be reduced before cotton benefited from the presence of higher amounts of Ca in the soil. Additions of Mg SO4 at different pH levels did not increase growth of cotton.

1 Contribution from the Department of Soil Science, North Carolina Agricultural Experiment Station, Raleigh, N. C. Presented before Division IV, Soil Science Society of America, November 1963, Denver, Colorado. Submitted with the approval of the Director as paper N. 1905 of the Journal Series.

2 Agronomist, Soil Testing Division, N. C. Department of Agriculture, and Professor of Soil Science, North Carolina State University at Raleigh, N. C.

Received for publication December 7, 1964.


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G. J. Gascho and M. B. Parker
Long-Term Liming Effects on Coastal Plain Soils and Crops
Agron. J., November 1, 2001; 93(6): 1305 - 1315.
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The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
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Environmental Quality		 The Plant Genome
Copyright © 1965 by the American Society of Agronomy.