By Dr. William A. Albrecht
Summary: A comprehensive discussion of the amazing role of calcium in the soil and its effect on crops and animals, written by one of the greatest soil scientists of all time. Dr. Albrecht, who chaired the soils department at the University of Missouri College of Agriculture, is known in the organic farming movement as the "father of soil fertility research." Born in 1888, he published his first article on soil fertility in 1918 and would publish research papers continually until his death in 1974. Albrecht was a friend of Dr. Royal Lee, and the Lee Foundation published several of his papers, which are available in this archive. From The Land magazine. Reprint 8, 1943.
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