灌溉制度优化
irrigation scheduling optimization
optimization of irrigation program
Irrigation schedule optimization
灌溉种植技术
irrigation cultivation technology
国外废水灌溉概述
Summarize of Overseas Waste Water Irrigation
国外污水灌溉新技术
New Techniques of Waste Water Treatment in Abroad
果树节水灌溉研究进展
Advance in Water-saving Irrigation of Fruit Tree