【摘要】 在 7a旱地玉米保护性耕作试验研究基础上 ,根据山西省寿阳县农业生产的各种投入和农产品价格 ,对比分析了保护性耕作技术和传统耕作的经济效益。结果表明 ,保护性耕作不但能够增产、增收 ,减轻劳动强度 ,而且机械投资回收期为 2 a～ 3a,低于机械化传统耕作的投资回收期。经济效益的分析将有利于保护性耕作的推广应用。更多还原

【Abstract】 Based on 7 year study on conservation tillage for maize in dryland and Shouyang local production inputs and prices of farm prducts, economic benefits of conservation tillage and conventional tillage are analyzed. The results show that, conservation tillage can increase yields and net income and the total machinery inputs can be reclaimed in 2~3 years, shorter than with conventional tillage. This analysis result will be propitious for wide adoption of conservation tillage.更多还原