Sulfur Supply of Soils and Crop Yields in the Southeastern United States1
- C. E. Bardsley and
- V. J. Kilmer2
The sulfur level of soils from the no-sulfur plots of 21 field experiments was estimated by three chemical methods using soil from the 0 to 12-inch depth. The three methods were significantly correlated with percentage yield (R = 0.60) while the simple correlations with percentage yield were r = 0.55 for acetate-soluble sulfate, r = 0.59 for bicarbonate-extractable sulfur, and r = 0.44 for reserve + SO4-sulfur.
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