Sulfur Dioxide Fumigation of Soybeans: Effect on Yield
Open Access
- 1 December 1972
- journal article
- research article
- Published by Taylor & Francis in Journal of the Air Pollution Control Association
- Vol. 22 (12) , 964-966
- https://doi.org/10.1080/00022470.1972.10469736
Abstract
In order to determine the influence of SO2 fumigation of soybean plants on yield, a three-year experiment was conducted on 485 plois of soybeans. Single fumigations of S02 were applied at 10 different stages of growth in 1968-69 and 7 stages of growth in 1970. A linear relationship was found to exist beiween the percent of leaf area destroyed and ihe percent crop loss with a significant regression coefficient of b = —0.659, or iwo-thirds of one percent crop loss for each percent of area destroyed. No definite significant stage-of-growth effect was found and no treatment effects were significant for the early stages of growth from the 3-leaf to the 15-leaf stage, nor was there any loss in yield without visible leaf injury.Keywords
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