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农机服务与农户稻作制度选择研究——基于要素替代与收入效应视角的分析

ISSN号：1674-9189
期刊名称：农业经济与管理
时间：2015.12.5
页码：30-45
分类：F323.3[经济管理—产业经济] S23[农业科学—农业机械化工程;农业科学—农业工程]
作者机构：[1]南京农业大学经济管理学院,南京210095, [2]安庆师范学院经济与管理学院,安徽安庆246003
相关基金：项目来源：国家自然科学基金项目（71173109;71473121）;国家社会科学基金重大项目（13＆ZD160）;江苏省普通高校研究生科研创新计划资助项目（KYZZ_0167）;南京农业大学人文社会科学基金产经岗位培育项目（SKGW2014002）;江苏省高校优势学科建设工程资助项目（PAPD）.
相关项目：气候变化产量波动与效率缺失- - 水稻为例

关键词：稻作制度选择, 农机服务, 要素替代, 收入效应, 长江流域稻作区, rice planting pattern selection, agricultural machinery service, factor substitution, incomeeffect, Yangtze River Basin

中文摘要：

长江流域稻作区农户稻作制度选择的演变关系到地区粮食安全。从要素替代程度与收入效应的视角，分析农机服务对农户单双季水稻生产的影响。研究结果表明，2004～2010年，农机服务对单、双季稻种植户劳动投入的要素替代现象客观存在，但两者的边际技术替代率均呈“倒U型”变化，反映出未来长江流域湖南、湖北、江西、安徽4省水稻生产中，继续追加农机服务替代劳动投入难度的不断增加。农机服务对水稻种植户的收入效应主要影响家庭总收入，而对稻作净收益影响为负。样本研究期内，由于双季稻生产的劳动力约束和村庄季节性用工短缺难以有效解决，农机服务的发展不能提高农户的水稻复种指数，单一依托发展农机服务无法有效激励农户选择双季稻。

英文摘要：

There was a relationship between the evolution of farmers＇ rice planting pattern selection change in the Yangtze River Basin and the stability of China＇s grain security. In this paper, based on the perspective of substitution and income effect, the effect of agricultural machinery service on the production of single and double cropping rice was analyzed. Research results showed that factor substitution phenomenon which agricultural machinery service to rice labor input existed objectively from 2004 to 2010, but both marginal technical substitution rate showed ＂inverted U＂ change, reflecting that continue to additional agricultural machinery service to replace the labor input would be difficulty increasing in the future. Meanwhile, the income effect of agricultural machinery service had mainly affected the total household income. In sample research period, due to labor constraints of double-seasonal cropping rice and village labor shortages were difficult to solve effectively, the development of agricultural machinery service could not raise the farmers＇ rice multiple cropping index, only relied on the development of agricultural machinery service could not effectively motivate farmers select double-seasonal cropping rice.

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