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Creator:: Oregon Agricultural College. Experiment Station and Powers, W. L. (Wilbur Louis), 1887
Abstract:: Published December 1923. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: sIxty years lost on the average 40 percent of the original sulfur content as compared with virgin soil

Creator:: Oregon State College. Agricultural Experiment Station and Powers, W. L. (Wilbur Louis), 1887
Abstract:: Published December 1938. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: ELEMENTS IN SOIL FERTILITY AND PLANT NBTRITION by W. L. Powers, Soil Scientist Oregon Agricultural

Creator:: Oregon State College. Agricultural Experiment Station and Powers, W. L. (Wilbur Louis), 1887
Abstract:: Published December 1937. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . Relation is sharpest between water content of iodine and goiter. Soil iodine seems to associate with

Creator:: Oregon State College. Agricultural Experiment Station and Powers, W. L. (Wilbur Louis), 1887
Abstract:: Published August 1940. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: to 20 parts per billion. Etelation issharpest between water content of iodine and goiter. Soil iodine

ScholarsArchive@OSU