【摘要】 从水资源的利用现状出发 ,首先论述节水灌溉的必要性 ,进而在此基础上系统地介绍精确灌溉的基本概念、内涵及其技术和实施 ,还有其主要支持技术 ,最后论述了精确灌溉的发展动态和趋势。以便于初次接触精确灌溉的读者对之有一个初步全面的了解和认识更多还原

【Abstract】 Set out from the present utilization situation of water resources, this paper expounds the necessity of water saving irrigation firstly, then introduces fundamental conception, connotation, technology, implementation and main supporting technology of precision irrigation. Finally, the development tendency and direction of precision irrigation is discussed in this paper. All above will help readers who meet precision irrigation for the first time to have a preliminary idea of it.更多还原