一、试验目的和依据 1972年以来,我国各地的一些水稻主要产区,在过去小苗带土育秧技术的基础上,开始进行水稻工厂化育秧技术的研究,摸索水稻育秧、插秧机械化配套作业的途径.1979年,江苏、上海、浙江、江西、吉林等省市,从日本引进成套水稻作业机械,包括工厂化育秧设备,进行了生产适应性试验.我们在金华七一农机化试验场,采用日本的 I. Purpose and Basis of Experiments Since 1972, some major paddy producing areas in various parts of China have started to carry out the researches on the technology of rice plant breeding based on the techniques of soil-seedling cultivation in the pasture and explore the ways of rice seedling and transplanting mechanization supporting operations In 1979, Jiangsu, Shanghai, Zhejiang, Jiangxi, Jilin and other provinces and cities, from Japan to introduce complete sets of rice machinery, including plant breeding equipment, conducted a production adaptability test.We Jinhua Qiyi Agricultural Mechanization Experimental Site, Japan of