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Published online 1 January 1964
Published in Agron J 56:82-85 (1964)
© 1964 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Importance of Stored Soil Moisture to the Growth of Corn in the Dry to Moist Subhumid Climatic Zone1

R. F. Holt, D. R. Timmons, W. B. Voorhees and C. A. Van Doren2

Synopsis: Soil moisture recharge data, moisture use patterns, and soil moisture-corn yield relationships point to the critical dependence of corn on stored soil moisture in western Minnesota and eastern South Dakota. Significant correlations between stored soil moisture and yield of corn were found. Above-average rainfall during the critical growth period minimized the effect of stored soil moisture. These results emphasize the need for moisture conservation in the 19- to 26-inch rainfall area of the North Central States.

1 Contribution from the Soil and Water Conservation Research Division, ARS, USDA, in cooperation with the South Dakota Agricultural .Experiment Station, the Minnesota Agricultural Experiment Station, and the Soil Conservation Service.

2 Soil Scientists, Soil and Water Conservation Research Division, ARS, USDA, Morris, Minn.; and Chief, Corn Belt Branch, SWCRD, USDA, St. Paul, Minn., respectively. The authors express appreciation to R. R. Allmaras, Soil Scientist, SWCRD, USDA, Morris, Minnesota; to A. C. Caldwell, Professor of Soils, Minnesota Agr. Exp. Sta.; and to F. E. Shubeck, Associate Professor of Agronomy, South Dakota Agr. Exp. Sta., for technical advice and assistance; and to E. A. Hallauer, Statistical Programmer, and E. E. King, Research Technician, for their work on this project.

Received for publication May 29, 1963.


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A. N. Kravchenko and D. G. Bullock
Correlation of Corn and Soybean Grain Yield with Topography and Soil Properties
Agron. J., January 1, 2000; 92(1): 75 - 83.
[Abstract] [Full Text]


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The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education		 Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 1964 by the American Society of Agronomy.