农业科学研究在农业生产率增长中究竟起了多大作用,经济收益率如何,急需进行研究。因为从国家来说,需要知道付出每元资金的代价,能够获得多大的经济效益,需要知道把资金重点投放到哪些方面,才能最大幅度地增加农业生产,节约单位产品的劳动耗费,更多地增加社会剩余产品;从技术推广和使用单位来说,需要知道推广和采用哪些科学技术比原用当家技术能较多地增加产量和经济收益;科研单位也需要知道,把 Agricultural science research in agricultural productivity growth has played a role in how the economic rate of return, the urgent need for research. Since the state needs to know how much economic benefit it can pay for each yuan of funds it needs to know which aspects of funding it should focus on in order to maximize agricultural production and save labor per unit of product, Increase the social surplus products; from the technical promotion and use of units, you need to know which science and technology to promote and adopt more than the original technology can increase the production and economic benefits; scientific research units also need to know that the