Beschreibung:
Ehrenfried Pfeiffer (1899-1961) was born in Munich. He visited the USA several times in the 1930s, was awarded a doctorate for his groundbreaking Sensitive Crystallisation theory as a blood test for detecting cancer, and emigrated there in 1940. He pioneered biodynamic agriculture in the USA and helped found the Biodynamic Farming & Gardening Association. He died in Spring Valley, New York.
This wonderful little book covers everything you need to know about the types of plants known as weeds, how they grow and what they can tell us about soil health.
ForewordIntroduction
Weeds and What They Tell Us
The Battle Against Weeds
The Biological Combat
Weedy Weeds
Morning Glory and Co
Goosefoot or Chenopodiaceae
Parsley
Plantain
Poisonous Weeds
Pleasant-looking Weeds
More Pleasant-looking Weeds
Summer- and Fall-Flowering Weeds
Good Weeds
Dynamic Plants