2 Ergebnisse.

Based on experience at Ghana's Technology Consultancy Centre, this handbook describes successful methods of minimum tillage farming and alley cropping. It suggests that alley cropping offers great promise as a soil conservation and enriching technique.

Through the work of Charles Darwin, a great task was set before science -- to progress from opinions about evolution to a science of evolution, and reveal the inner laws and driving forces at work in the development of the organic world.In Thinking Beyond Darwin, Ernst-Michael Kranich focuses on a central problem of evolutionary science. He shows us a way, based on Goethe's botanical and zoological investigations, of seeing the coherence and i...