摘要
阐述坚持农机与农艺相结合,试验示范与辐射推广相结合的方向,研究因地制宜,注重经济效益、社会效益、生态效益的统一模式,论证推广实施机械化半机械化并举的益处。
tated to adhere to combination of agricultural machinery production and agriculture,the radiation experiments with the promotion of direction,according to local conditions on economic,social and ecological efficiency of unified model,to argue the good of promotion mechanization.
关键词
保护性耕作
秸秆覆盖
土壤水分
经济效益
conservation tillage
straw mulch
soil moisture
economic effectiveness
