This paper focuses on our research into the relationship between available water and wheat grain yield under the Mediterranean-like climatic conditions of the U.S. Inland PNW. Our research had three objectives: (1) assess the relationship between available water and wheat grain yield based on dryland field experiments conducted from 1953 to 1957 and comparing it to findings in studies carried out from 1993 to 2005, (2) assess the relative importance of stored soil water and spring rainfall for both WW and SW during the 1993–2005 period, and (3) provide a tool for predicting SW grain yield that uses stored soil water at time of planting and expected rainfall during the individual months of April, May, and June.
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Washington State University Extension |
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Washington State University |
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890 |
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Written Material |