根据中国农学会与日本日中农业农民交流协会签署的《关于中国吉林省与日本东北地区进行水稻栽培技术交流议定书》规定,以田中稔为首的日本水稻专家一行九人,于3月份到吉林农科院开展水稻机械化高产栽培试验。同时,我们选派北方七个水稻重点省(区、市)的水稻技术员30人组成技术交流学习班,向日本专家学习,一起搞丰产试验。试验共150亩,于4月10～16日分批播种,用工厂化盘式育秧(参见本刊79年2期《日本水稻工厂化育秧技 According to the Protocol on Exchanges of Rice Cultivation Technology between Jilin Province of China and Northeast Japan signed by China Agricultural Association and Japan-Japan Association of Agricultural Peasants and Farmers, Japanese rice experts led by Tanaka Nao and his entourage went to Jilin Agriculture in March ASTRI to carry out mechanization of rice high-yielding cultivation experiments. At the same time, we selected 30 rice technicians from seven key paddy provinces (autonomous regions and municipalities) in the north to form technical exchange seminars, to learn from Japanese experts and engage in high yield trials. A total of 150 acres of trials, in April 10 to 16 sowing in batches, with factory-type disc seedlings (see the 79 issue of 2 "Japanese rice plant breeding yoji