A comparative study of lower and upper limits of temperature in meas uring the variability of day-degree summations of wheat, barely, and ry e.
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TextPublication details: Washington : American Institute of Crop Ecology, 1956.Description: ii, 42 p. : tables ; 27 cmSubject(s): DDC classification: - 633.1
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"Sponsored by the United States Weather Bureau under contract Cwb-87 37"
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