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一、当前县域科技工作存在的主要问题“九五”期间,云龙县的科技工作取得了长足进步,科技对经济的贡献率比“八五”期间提高了7个百分点,达到了28%,其中,农业科技进步贡献率提高了9个百分点,达到了33%。杂交玉米品种、水稻旱育稀植、烤烟高产优质栽培等技术的覆盖率均达90%以上,大幅度提高了单位面积产量。特别是水稻旱育稀植技术从引进到基本普及,仅用了三年时间。其他如容器育苗定向移栽、配合饲料、农村户用沼气
I. Major Problems Existing in Science and Technology Work in County Areas During the “1995” period, science and technology work in Yunlong County had made great strides. The contribution rate of science and technology to the economy increased by 7 percentage points over the period of “1985” to reach 28%. Among them, the contribution rate of agricultural scientific and technological progress increased by 9% to 33%. The coverage rate of hybrid maize varieties, rice planting nursery and sparsely poplar, high-yield and high-quality cultivation of flue-cured tobacco reached more than 90%, greatly improving the yield per unit area. In particular, the technology of rice cultivation and cultivation has been basically popularized from its introduction to the past only in three years. Other containers such as transplanting seedlings orientation, with feed, rural household biogas