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Some Observations on the Contribution of an Inch of Seeding‐Time Soil Moisture to Wheat Yield in the Great Plains 1
Author(s) -
Johnson Wendell C.
Publication year - 1964
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1964.00021962005600010010x
Subject(s) - bushel , acre , agronomy , yield (engineering) , seeding , spring (device) , moisture , environmental science , water content , biology , geography , geology , meteorology , materials science , engineering , mechanical engineering , geotechnical engineering , metallurgy
Synopsis The average contribution to yield of an inch increment of stored moisture was estimated at 2.44 and 2.74 bushels per acre for spring and winter wheat, respectively. Allowing for side effects of management practice other than soil moisture reduced the estimate for early‐plowed continuous spring wheat and fallowed spring wheat to 1.40 and 1.48 bushels per acre, respectively. The corresponding estimates for winter wheat were 2.48 and 1.99 bushels per acre.