农业科技转化的关键是抓投入孙世刚（河北省农林科学院石家庄０５００５１）科技转化，是指科学技术由科技部门转移到生产部门，由潜在生产力变为现实生产力。买现这种转变，需要科研、推广和生产三方面积极配合、相互支持。科研是转化的前提，推广是转化的保证。实践表明... The Key to the Transformation of Agricultural Science and Technology is to Invest in Sun Shigang (Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang 050051) The transformation of science and technology refers to the transfer of science and technology from the science and technology sector to the production sector, from potential productivity to real productivity. To buy this change needs scientific research, promotion and production of three active cooperation and mutual support. Research is the premise of transformation, promotion is the guarantee of transformation. practice shows that...