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.