随着水稻种植人工成本的增加,省工节本高效的水稻直播面积越来越大。水稻机械精量直播技术在保持撒直播省工节本优势的同时,提高了直播稻的丰产性和稳产性。文章论述了水稻机械精量湿润直播技术的发展,及其相较于机插秧和撒直播的优势;简要介绍了在机直播基础上进一步进行技术集成与创新形成的水稻机械精量穴直播同步侧深施肥技术和播喷同步除草技术;并分析了水稻机械精量直播存在的问题。
With the increase of the labor cost of rice planting, the area of rice direct seeding is getting larger and larger. Mechanized wet direct seeding not only has the advantage of efficient and cost-effective, but also is beneficial to increase the yield and yield stability of direct seeding rice. In this article, we introduced the development of mechanized wet direct seeding, and analyzed its advantages by comparing with the most used rice planting methods of machine-transplanted seedling and seed broadcasting; introduced new mechanical fertilization and weed control measures by synchronous seeding, deep fertilization and spraying herbicides with direct seeding machine. The problems faced by mechanized wet direct seeding were also analyzed.
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