【摘要】 水资源紧缺已成为我国经济发展和环境建设的制约因素。要注视发展节水高效灌溉农业及旱地农业。该文论述了我国旱地农业的发展现状及其存在的问题,明确了旱地农业在节水农业中的地位与作用,并认为我国旱地农业的可持续发展应以提高用水效率作为农业节水的核心,提高旱地作物生产力为目标,服务于旱地农业地区社会经济、食物、资源、环境的可持续发展。最后针对我国旱地农业的特点,提出了工程节水及生物节水等若干技术措施,探讨了未来旱地农业高效用水技术的发展前景。更多还原

【Abstract】 China has been facing serious water shortage problems that caused great economic and environmental losses. The attention should be paid and the development of China’s dryland farming should be emphasized on. So it is important to develop the new technologies and practices and to search the new joint-point between improving dryland productivity and protection of the ecological environment. This paper mainly introduced current situation of China’s dryland farming development and discussed major practices. In the future, the research and development should focus on how to generalize the practices according to the situation of dryland farming of China, which will benefit the sustainable agricultural development of the semiarid and arid regions in China.更多还原