【摘要】 灌溉原理是指导灌溉工程规划设计和管理决策实践的基本法则。从学科发展时代演进角度对20世纪灌溉原理和实践作了简要回顾,根据21世纪的时代特点和发展需要对本世纪(前期)学科和实践前沿广泛关注、具挑战性的几个问题作了科学展望,即:非充分灌溉理论的发展;区域性农田水循环研究的深入与实用;智能化灌溉模型,尺度效应问题及3S技术的一体化灌溉应用。有利于新时期灌溉原理研究与实践的认识提高和内容的创新探索。更多还原

【Abstract】 Irrigative principles is the basic principle to guide irrigation engineering layout design and irrigation decision-making. The article has made look back briefly from times evolvement of subject for the irrigation principles and practices of 20 century. According to the times characteristic and development request of 21 century, some problems with asking to pay attention to and have challenge extensively for practices forward position and the subject of this century ( early stage ) have made scientific prospect, is helpful for new period to irrigation principles research and practices the innovation of raising and content explore.更多还原