Puts the broad empirical knowledge on weed ecology into a theoretical framework.

A practice guide with principles to the development of environmentally integrated, yet economically viable arable farming, from the perspective of ecological research. It is based on 18 invited papers presented at the 13th Long Ashton International Symposium 'Arable Ecosystems for the 21st Century', held in september 1993. The contents are international in outlook, with emphasis on European and North American ecological studies relevant to integrated arable farming systems