Koepf's practical biodynamics : soil, compost, sprays and food quality /
Koepf, Herbert H.
Biodynamic Farming and Gardening Association of North America.
Edinburgh : Floris Books in association with the Biodynamic Farming & Gardening Association,
2012.
"This overview of Koepf's work is a newly-edited combination of four pamphlets: Compost, Biodynamic sprays, Three lectures on biodynamics, and Research in biodynamic agriculture"--P. 4 of cover.
Includes bibliography (p. 153-161) and index.
Organic farming.
Compost.
Soil structure.
Crop rotation.