Abstract
Field-grown soybeans were exposed to elevated SO2 levels in an open-air fumigation system which produced minimal alteration of the crop environment. The increase in S content of the fumigated plants as compared to unfumigated controls was used to estimate the deposition velocity of SO2 to the crop. Estimates ranged from 0.5 to 0.9 cm s−1, which is in the lower part of the range found by micrometeorological techniques, confirming that estimates based on short-term gradient measurements are realistic.
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Sprugel, D.G., Miller, J.E. A field estimate of SO2 deposition velocities to rapidly growing soybeans. Water Air Soil Pollut 12, 233–236 (1979). https://doi.org/10.1007/BF01047125
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DOI: https://doi.org/10.1007/BF01047125