The Albrecht Papers are written by Dr. William A. Albrecht, professor of soils at the University of Missouri College of Agriculture. The backbone of Albrecht’s life’s research. Includes papers explaining soil balancing, the role of major and minor micro-nutrients in the soil, soil fertility’s link to weed, insect and disease problems, and more. All serious students of soils should have this massive volume on their shelves and in their minds. Each volume is a stand-alone book - you don’t need to have the entire set to learn vast amounts from this master soil scientist. Hardcover, 515pages. 1184 grams