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crat uo noi appreciate tne true worth of this valuable by-product of the lumber industry. Sawdust Does Not Cause Acid Soil
Contrary to popular belief, sawdust does not cause the soil to become acid. Numerous tests conducted by research workers in different parts of the country bear out this conclusion. Griggs and Rollins of Connecticut, Johnson and Ware of Alabama, Gourley of Ohio, and McCool of the "6oyce Thompson Institute have shown that various amounts of hardwood or softwood sawdust used as a mulch or mixed with the soil for periods of from one to twelve years have had no significant effect on soil acidity. The skeptical individual may consult the published reports of the above scientists if he desires positive proof of these claims. The acidity of the soil may vary appreciably from year to year. Under some circumstances there may be a moderate'increase—in—soil—acidity immediately after sawdust has been' applied. The final effect, however, is to help maintain or increase the basic reaction of the soil No Seriously Toxic Compounds In Sawdust No conclusive evidence appears to
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