在迈向21世纪的进程中，我国的农业肩负着支撑国民经济快速发展的历史使命，完成这一使命的唯一途径是确保农业的可持续发展。所谓农业可持续发展，是指通过合理地利用农业资源，减少资源的破坏和损耗，在保证当代农业发展的同时，为未来的发展能够持续留下足够的空间，以确保 In the process of going to the 21st century, our country’s agriculture shoulders the historical mission of supporting the rapid development of the national economy. The only way to accomplish this mission is to ensure the sustainable development of agriculture. The so-called sustainable development of agriculture refers to the sustainable use of agricultural resources through rational use of resources to reduce damage and loss, while ensuring the development of contemporary agriculture at the same time, for the future development can continue to leave enough space to ensure