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OverviewExcerpt from Parallelism of the Soils Developed on the Gray Drifts of Minnesota: A Thesis Submitted to the Faculty of the Graduate School of the University of Minnesota, in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy As the common farm crops in southern Minnesota derive not only their mineral constituents but also their supply of water chiefly from the first three feet and almost exclusively from within the first five feet, we scarcely need to consider the portion below the fifth foot. As most of the crops draw more or less upon the third foot for these and hence the whole of the first three foot section is to be considered as well within the root zone so that a study of the soil should include sections to at least this depth. 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. Full Product DetailsAuthor: Clayton Ord RostPublisher: Forgotten Books Imprint: Forgotten Books Dimensions: Width: 15.20cm , Height: 0.50cm , Length: 22.90cm Weight: 0.136kg ISBN: 9781332062607ISBN 10: 1332062601 Pages: 94 Publication Date: 01 November 2018 Audience: General/trade , General Format: Paperback Publisher's Status: Unknown Availability: In stock Limited stock is available. It will be ordered for you and shipped pending supplier's limited stock. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |