Chapter
Apr 26, 2012
Deficit Irrigation of Corn in a No-Till Environment
Authors: Norman L. Klocke [email protected], Randall S. Currie [email protected], and Loyd R. StoneAuthor Affiliations
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
A field study was conducted near Garden City, Kansas to measure corn grain yield response to a range of rates from full to deficit irrigation. The contributions of antecedent stored soil water to crop water use were determined from soil water measurements near the beginning and the end of the growing season. Above average winter precipitation contributed to pre-plant soil water accumulations and deficit irrigation caused more growing season stored soil water use. Field results were compared with the Crop Water Yield (CWY) predictions of field results. Correlation of relative yields from field results and the CWY simulation were good, showing that the CWY has potential to be used as a management tool to screen potential irrigation scheduling scenarios for deficit irrigation.
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Information & Authors
Information
Published In
World Environmental and Water Resources Congress 2008: Ahupua'A
Pages: 1 - 8
Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Agriculture
- Climates
- Crops
- Engineering fundamentals
- Environmental engineering
- Field tests
- Geomechanics
- Geotechnical engineering
- Irrigation
- Irrigation engineering
- Landscape irrigation
- Seasonal variations
- Soil mechanics
- Soil properties
- Soil water
- Tests (by type)
- Water and water resources
- Water management
- Water storage
- Water supply
- Water supply systems
- Water use
Authors
Affiliations
Professor, Water Resources Engineering and Assoc. Professor, Weed Science, Kansas State University, 4500 East Mary St., Garden City, KS 67846.E-mail: [email protected]
Professor, Water Resources Engineering and Assoc. Professor, Weed Science, Kansas State University, 4500 East Mary St., Garden City, KS 67846.E-mail: [email protected]
Loyd R. Stone
Professor, Soil Science, Kansas State University, Manhattan, KS
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