Weeds and What They Tell Us covers everything you need to know about the types of plays known as weeds. First written in the 1950's, this is still one of the best overviews of the subject available.
Ehrenfried E. Pfeiffer discusses the different varieties of weeds, how they grow and what they can tell us about soil health. the process of conbatting weeds is discussed in principle as well as in practice, so that it can be applied to any situation.
Ehrenfried E. Pfeiffer (1899-1961) was born in Munich. He visited the USA several times in the 1930's, was awarded a doctorate for his groundbreaking Sensitive Crystallisation theory as a blood test for detecting caner, and emigrated there in 1940. He pioneered biodynamic agriculture in the USA and helped found the Biodynamic Farmin & Gardening Association. He died in Spring Valley, New York.
Soft cover, 96 pages
Made in the UK