应日中经济协会邀请,我们赴日考察团先后在东京、新泻,北海道和爱知等地参观了现代化的机电排灌站、喷滴灌、灌区、温室农业;访问了三个研究所和一些具有自控测试设备的排灌机械制造厂,并进行了技术座谈和经验交流。用水以地表水为主据称,日本排灌面积2500万亩,约占耕地面积1/3,其中灌、排面积各占一半。旱地只灌了4%,水田灌了95%。日本排灌水总量11000米~3,排占85.5%。农业用水570亿米~3,占工农业总用水量870 At the invitation of the Japan-China Economic Association, our delegation to Japan visited modern electromechanical irrigation and drainage stations, spray drip irrigation, irrigated areas and greenhouse agriculture in Tokyo, Niigata, Hokkaido and Aichi and visited three research institutes and some institutes Self-controlled testing equipment drainage irrigation machinery factory, and conducted a technical discussion and exchange of experience. Water is mainly based on surface water It is said that Japan’s irrigation and drainage area of ​​25000000 acres, accounting for about 1/3 of cultivated land, of which irrigation and drainage area each half. Only 4% was irrigated in dryland and 95% in paddy field. The total amount of irrigation and drainage water in Japan is 11000-3, accounting for 85.5%. Water for agriculture is 57 billion meters ~ 3, accounting for 870 tons of water for agriculture and industry