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这是一篇连载的有关加拿大保护性耕作的文章。作者是最早从70年代开始在加拿大研究和推广保护性耕作的专家,有着长期示范、研究、推广及政策制定方面的经验。希望他的文章能给广大科技人员在实施保护性耕作技术中提供帮助。
This is a serial article on conservation tillage in Canada. The author was one of the earliest experts to study and promote conservation tillage in Canada since the 1970s with long experience in demonstrations, research, promotion and policy development. He hopes his article will help the scientists and technicians in the implementation of conservation tillage.