旱作果园集流节水灌溉技术文／傅廷汉我国西北大部分地区因缺少灌溉条件，又无巨资修建大型水利工程，加之降雨不足且分布不均，林果业向高产、优质、高效发展受到严重制约。采用雨水集流和节水灌溉技术，可有效地解决这一问题。其方法是：每３～５亩果园，在地头打一口水... Technology of water harvesting irrigation in orchard for rainfed / Fu Tinghan Due to the lack of irrigation conditions and huge amount of capital to build large-scale water conservancy projects in most parts of northwestern China, coupled with insufficient rainfall and uneven distribution, the forestry and fruit industry is severely restricted to high-yield, high-quality and high-efficiency development . The use of rainwater harvesting and water-saving irrigation techniques can effectively solve this problem. The method is: every 3 ~ 5 acres of orchards, hit the ground water ...