Soils & Agronomy DVD Seminar Sampler
Gary F Zimmer & Leilani Zimmer-Durand
Neal Kinsey & Charles Walters
In this breakthrough work — now available in English for the first time — the independent German-Norwegian explorer of soil life, graduate permaculture designer and graduate engineer Herwig Pommeresche shares his lifetime of research into humus.
#7488 • Copyright 2018 • Softcover • 264 pages