Excerpt from Deep Plowing of Sandy Soil Deep plowing increased the clay In the surface soil on an average from' about 5 to 12 percent in 2 plots in Texas and 29 fields in Kansas. However, about 27 percent of clay in the surface soil is required for maximum benefit to control wind erosion. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.