Far from Paradise: The Story of Man's Impact on the Environment

agriculture America Amerindian artificial fertiliser barley biological bucket-wheel excavator bushmen cattle cent century Chagga chemical cities civilisation cows crops cultivation deforestation desert Dinkelsbühl disease ecological effect emissions eroded estates Europe farm farmers farmland fertilisers fields fish forest grain grass grazing green revolution growing growth gulley harvest hectares Herbert Girardet herd hillsides huge human hunter-gatherer impact increase industrial insects irrigation Italy John Seymour Kenya labour latifundia Liebig living maize manure Mesopotamia miles million acres mineral fertilisers mountain Nairobi nitrate nitrogen north Africa peasants pesticides pests piglets pigs plain plant nutrients plants and animals plough poisons pollution population problem production pygmies rain realise Rhine rivers Roman Rome salinisation sheep silt slopes slurry soil erosion soil fertility straw Sumerian supply terraces timber tion tomatoes tons topsoil town trees tribes tropical valley village Vistagi Wendell Berry West Germany wheat Wookey yards