公共农技推广与数字农技服务促进了农户采纳稻虾共作模式吗  

Have Public Agricultural Technology Promotion and Digital Agricultural Technology Service Promoted Farmers'Adoption of the Rice-crayfish Co-culture Model

作　　者：杨兴杰 齐振宏[1] 杨彩艳 YANG Xingjie;QI Zhenhong;YANG Caiyan

机构地区：[1]华中农业大学经济管理学院,武汉430070 [2]中南林业科技大学商学院,长沙410004

出　　处：《农业技术经济》2024年第6期107-123,共17页Journal of Agrotechnical Economics

基　　金：国家自然科学基金面上项目“生态循环农业高质量发展:逻辑、动力、效益与机制——以稻虾共作模式为例”(编号:72273049);中央高校基本科研业务费项目“‘双水双绿’模式经济效应和生态效益评价分析”(编号:2662018YJ019)。

摘　　要：公共农技推广与数字农技服务作为传播农业技术信息的重要途径,为农户采纳稻虾共作模式并实现科学化管理提供了重要支撑。本文基于2021年长江中下游地区微观农户的调查数据,实证分析公共农技推广与数字农技服务对农户采纳稻虾共作模式的影响。结果表明,公共农技推广与数字农技服务对农户采纳稻虾共作模式有显著的促进作用,该作用主要通过经济效益认知和易用性认知两种机制实现,在解决了内生性问题后,以上结论依然成立;相对于公共农技推广,数字农技服务是推动农户采纳稻虾共作模式的新动能,二者之间呈现出互补效应而非替代效应。此外,公共农技推广与数字农技服务对不同劳动力禀赋群体采纳行为的影响存在显著差异,具体表现为:当劳动力数量禀赋和质量禀赋处于中等及以上水平时,公共农技推广才有助于农户采纳行为的发生;而数字农技服务仅对低数量禀赋群体采纳行为的影响不显著,对不同劳动力质量禀赋群体采纳行为的影响均显著。As important media for disseminating agricultural technology information,public agricultural technology promotion and digital agricultural technology service provide important support for farmers to adopt the rice-crayfish co-culture model and realize scientific management.Based on the survey data of farmer households in the middle and lower reaches of the Yangtze River in 2021,we empirically analyse the impact of public agricultural technology promotion and digital agricultural technology service on farmers'adoption of the rice-crayfish co-culture model.This study finds that,public agricultural technology promotion and digital agricultural technology service have important role in promoting farmers'adoption of the rice-crayfish co-culture model,and this role is mainly achieved through two mechanisms:economic benefit cognition and usability cognition,the above conclusion stil holds after solving the endogeneity problem.Compared with public agricultural technology promotion,digital agricultural technology service is a new driving force for farmers to adopt the rice-crayfish co-culture model,and there is a complementary effect rather than a substitution effect between the two.In addition,there are significant differences in the impact of public agricultural technology extension and digital agricultural technology services on the adoption behavior of different labor endowment groups,which shows that when the labor force quantity and labor quality are at a medium and higher level,public agricultural technology extension can help farmers to adopt behavior.The effect of digital agricultural technology service on the adoption behavior of the low-quantity group is not significant,and the effect on the adoption behavior of different labor quality groups is significant.

关 键 词：公共农技推广 数字农技服务 稻虾共作模式 采纳行为 

分 类 号：F323.3[经济管理—产业经济] F326.11F326.4