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Influence of weather and technology on corn and soybean yield trends

✍ Scribed by Earl R. Swanson; James C. Nyankori

Publisher
Elsevier Science
Year
1979
Weight
681 KB
Volume
20
Category
Article
ISSN
0002-1571

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✦ Synopsis

Corn and soybean yields on Allerton Trust Farms, Piatt County, Illinois for the period 1950--1976 are studied. Statistical analyses indicate that the description of yield increases by linear trend equations could not be significantly improved by use of various non-linear trend formulations. The adequacy of the linear trend description also applied when the effects of weather were taken into account. Thus, on these well-managed farms, the yield patterns do not suggest that a plateau is being reached. Adjusting for weather effect significantly increased the average yield increases, from 0.182 metric tons per hectare per year

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