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前言我国水稻直播栽培已有悠久历史,但因缺苗、草荒和倒伏等问题难解决,产量低,栽培面积不广,长期不能成为水稻生产的主要技术。本研究是在前人研究的基础上进行,目的是为了找出解决上述存在问题的有效栽培法供生产应用。研究从1975年起,经
Foreword Direct seeding cultivation of rice has a long history in our country. However, problems such as lack of seedlings, shortage of grass and lodging are hard to be solved, and the yield is low and cultivation area is not extensive. Therefore, long-term can not become the main technology for rice production. The purpose of this study is based on the previous studies, in order to find out the effective cultivation method to solve the above problems for production and application. Research from 1975 onwards