Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 March 1961
Published in Agron J 53:71-74 (1961)
© 1961 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Transpiration and Evapotranspiration of Corn as Related to Meteorological Factors1

Leo J. Fritschen and R. H. Shaw2

Synopsis: The plastic film, covering the ground, which was used to suppress evaporation also altered the micro-climate. To obtain values of transpiration for the natural plots, the transpiration measured in the plastic-covered plots was adjusted using the ratios of energy intercepted by the plant canopies. It was found that the adjusted transpiration was .89 of evapotranspiration. Without adjustment, it was .73 of evapotranspiration.

1 Journal Paper No. 3788 of the Iowa Agricultural and Home Economics Experiment Station, Ames, Iowa. Project No. 1359. This work was partially supported by U. S. Weather Bureau Contract 9560. Presented before joint meeting of Div. I and Div. VI, Soil Science Society of America, Cincinnati, Ohio, Nov. 18, 1959.

2 Research Associate in Agricultural Climatology, and Professor of Agricultural Climatology, Agronomy Department, Iowa State University, Ames, Iowa.






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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 © 1961 by the American Society of Agronomy.