近几年来,农业生态系统的研究,得到国内的广泛重视,发展十分迅速。1978年在西宁召开的全国陆地生态会议上,我曾以黄淮海平原和太湖流域的发展情况,阐明生态系统研究在农业生产中的重要性。但在那时,我对什么是农业生态?什么是农田生态?什么是土壤生态?还不甚清楚。农业生态与农田生态有什么 In recent years, the research on agroecosystems has gained widespread domestic attention and has developed rapidly. In 1978, at the National Terrestrial Ecological Conference held in Xining, I used the development of the Huang-Huai-Hai Plain and the Taihu Lake Basin to illustrate the importance of ecosystem research in agricultural production. But at that moment, what is the agroecology? What is agroecology? What is the soil ecology? It is not yet clear. Agricultural ecology and farmland ecology have what