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The Compost Manufacturer’s Manual

Fifty years before the soil foodweb became in the 1990s, Pfeiffer was using microscopes, preparing microbial inoculants, making superior quality composts, teaching farmers how to employ biological farming practices to improve soil organic matter, soil structure, and soil fertility – which in modern times is known as “soil health” -- and conducting cutting edge research on soil fertility, soil biology, soil humus, and food quality. 
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The basic text on the topic for decades; a summary of everything known in the mid 1930s.
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Loss Of Soil Organic Matter And Its Restoration

Once each year over many decades the United States Department of Agriculture published a yearbook. This particular Yearbook of Agriculture, Soils and Men, is widely considered the best of the lot. And this article by William Albrecht may well be la crème de la crème. It is our hope to eventually present the entire yearbook online.
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Humus and the Farmer

Sykes farmed organically; the health and quality of his livestock was extraordinary. The book contains much information about mechanized production of compost on the farm.
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