机械化服务程度和农地经营规模对玉米生产效率的影响

doi:10.3969/j.issn.1004-1524.2023.03.23

浙江农业学报 ›› 2023, Vol. 35 ›› Issue (3): 698-707.DOI: 10.3969/j.issn.1004-1524.2023.03.23

机械化服务程度和农地经营规模对玉米生产效率的影响

王宁柯^a(), 张瑞^b, 章胜勇^a^,^*()

a.华中农业大学经济管理学院,湖北武汉 430070
b.华中农业大学公共管理学院,湖北武汉 430070

收稿日期:2022-03-16 出版日期:2023-03-25 发布日期:2023-04-07
通讯作者: ^*章胜勇,E-mail:zsyhsl@mail.hzau.edu.cn
作者简介:王宁柯(1997—),男,河南平顶山人,博士研究生,研究方向为经济预测与决策。E-mail:992927680@qq.com
基金资助:
国家社会科学基金(18BJY139)

Effects of mechanization service degree and farmland operation scale on maize production efficiency

WANG Ningke^a(), ZHANG Rui^b, ZHANG Shengyong^a^,^*()

a. College of Economics and Management, Huazhong Agricultural University, Wuhan 430070, China
b. College of Public Administration, Huazhong Agricultural University, Wuhan 430070, China

Received:2022-03-16 Online:2023-03-25 Published:2023-04-07

摘要/Abstract

摘要：

利用2003—2018年我国20个玉米主产省份的面板数据,结合超效率DEA模型、回归模型和中介效应等分析方法,从农地经营规模的中介视角出发,分析机械化服务程度、农地经营规模对玉米生产效率的影响。结果表明,样本省份2003—2018年玉米生产效率的平均值为0.775,且不同省份间差异明显。机械化服务程度的提升会显著促进玉米生产效率的提高,农地经营规模在机械化服务程度对玉米生产效率的影响中具有明显的中介效应,且中介效应占总效应的比重为32.26%。在选定的控制变量中,灌溉率、失业率对玉米生产效率有显著正向影响,而人口老龄化率、受灾率对玉米生产效率有显著负向影响。农地经营规模对玉米生产效率的影响呈倒U型,存在作用边界,目前我国的农地经营规模尚未达到边界值。基于此,建议通过适当扩大农地经营规模,推动机械化服务发展,从而带动玉米生产效率的进一步提升。

关键词: 玉米生产, 生产效率, 农地经营规模, 机械化服务程度, 作用边界

Abstract:

Based on the panel data of 20 major maize producing provinces (autonomous regions, municipality) in China from 2003 to 2018, combined with the methods such as the super efficiency DEA model, regression model and intermediary effect analysis, the effects of mechanization service degree and farmland operation scale on maize production efficiency were analyzed from the intermediary perspective of farmland operation scale. The results showed that the average maize production efficiency of the sample provinces (autonomous regions, municipality) from 2003 to 2018 was 0.775, and there were significant differences among the sample provinces (autonomous regions, municipality). The improvement of mechanization service degree could significantly enhance maize production efficiency. The farmland operation scale had an obvious mediating effect between mechanization service degree and maize production efficiency, and the mediating effect accounted for 32.26% of the total effect. Among the selected control variables, irrigation rate and unemployment rate had significantly positive effects on maize production efficiency, while aging rate and disaster rate had significantly negative effects on maize production efficiency. The effect of farmland operation scale on maize production efficiency exhibited an inverted U shape with an effect boundary. At present, farmland operation scale did not reach the boundary. Based on these findings, it was suggested to properly expand the farmland operation scale and promote the development of mechanization service, so as to further enhance the maize production efficiency.

Key words: maize production, production efficiency, farmland operation scale, mechanization service degree, role boundary

中图分类号:

S-9
F304.5

王宁柯, 张瑞, 章胜勇. 机械化服务程度和农地经营规模对玉米生产效率的影响[J]. 浙江农业学报, 2023, 35(3): 698-707.

WANG Ningke, ZHANG Rui, ZHANG Shengyong. Effects of mechanization service degree and farmland operation scale on maize production efficiency[J]. Acta Agriculturae Zhejiangensis, 2023, 35(3): 698-707.

图/表 4

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省份 Province (Autonomous region, municipality)	2003	2006	2009	2012	2015	2018	2003—2018
河北Hebei	0.866	0.755	0.720	0.723	0.670	0.730	0.728
山西Shanxi	0.821	0.781	0.624	0.693	0.649	0.758	0.729
内蒙古Inner Mongolia	0.974	0.843	0.760	0.826	0.865	1.024	0.861
辽宁Liaoning	1.163	0.884	0.676	0.839	0.746	0.793	0.851
吉林Jilin	1.120	1.064	0.857	1.006	0.938	0.863	0.980
黑龙江Heilongjiang	1.207	0.967	0.900	0.908	0.962	1.035	0.973
江苏Jiangsu	0.661	0.772	0.763	0.731	0.742	0.753	0.738
安徽Anhui	0.705	0.788	0.646	0.709	0.742	0.675	0.686
山东Shandong	0.974	0.908	0.918	0.855	0.814	0.845	0.885
河南Henan	0.630	1.021	0.862	0.757	0.725	0.777	0.806
湖北Hubei	0.727	0.696	0.667	0.623	0.627	0.538	0.650
广西Guangxi	0.428	0.543	0.565	0.570	0.591	0.596	0.552
重庆Chongqing	1.017	0.861	0.782	0.753	0.757	0.779	0.834
四川Sichuan	0.803	0.664	0.660	0.694	0.733	0.768	0.728
贵州Guizhou	1.063	0.686	0.767	0.593	0.564	0.570	0.680
云南Yunnan	0.544	0.549	0.546	0.617	0.630	0.655	0.590
陕西Shaanxi	0.580	0.613	0.632	0.628	0.608	0.634	0.616
甘肃Gansu	0.695	0.566	0.610	0.703	0.715	0.734	0.672
宁夏Ningxia	1.000	1.007	0.998	1.011	0.952	0.971	0.978
新疆Xinjiang	1.076	0.987	0.909	0.875	0.926	1.040	0.953
平均值Average	0.853	0.798	0.743	0.756	0.748	0.777	0.775

省份 Province (Autonomous region, municipality)	2003	2006	2009	2012	2015	2018	2003—2018
河北Hebei	0.866	0.755	0.720	0.723	0.670	0.730	0.728
山西Shanxi	0.821	0.781	0.624	0.693	0.649	0.758	0.729
内蒙古Inner Mongolia	0.974	0.843	0.760	0.826	0.865	1.024	0.861
辽宁Liaoning	1.163	0.884	0.676	0.839	0.746	0.793	0.851
吉林Jilin	1.120	1.064	0.857	1.006	0.938	0.863	0.980
黑龙江Heilongjiang	1.207	0.967	0.900	0.908	0.962	1.035	0.973
江苏Jiangsu	0.661	0.772	0.763	0.731	0.742	0.753	0.738
安徽Anhui	0.705	0.788	0.646	0.709	0.742	0.675	0.686
山东Shandong	0.974	0.908	0.918	0.855	0.814	0.845	0.885
河南Henan	0.630	1.021	0.862	0.757	0.725	0.777	0.806
湖北Hubei	0.727	0.696	0.667	0.623	0.627	0.538	0.650
广西Guangxi	0.428	0.543	0.565	0.570	0.591	0.596	0.552
重庆Chongqing	1.017	0.861	0.782	0.753	0.757	0.779	0.834
四川Sichuan	0.803	0.664	0.660	0.694	0.733	0.768	0.728
贵州Guizhou	1.063	0.686	0.767	0.593	0.564	0.570	0.680
云南Yunnan	0.544	0.549	0.546	0.617	0.630	0.655	0.590
陕西Shaanxi	0.580	0.613	0.632	0.628	0.608	0.634	0.616
甘肃Gansu	0.695	0.566	0.610	0.703	0.715	0.734	0.672
宁夏Ningxia	1.000	1.007	0.998	1.011	0.952	0.971	0.978
新疆Xinjiang	1.076	0.987	0.909	0.875	0.926	1.040	0.953
平均值Average	0.853	0.798	0.743	0.756	0.748	0.777	0.775

变量 Variable	E
变量 Variable	模型1 Model 1	模型2 Model 2
M	0.237^**(0.120)	—
S	0.946^***(0.227)	1.090^***(0.220)
S²	-0.723^***(0.236)	-0.701^***(0.267)
Z₁	0.138^***(0.024)	—
Z₂	0.0896^***(0.013)	—
Z₃	-0.582^**(0.273)	—
Z₄	-0.121^***(0.036)	—
常数项Constant	0.293^***(0.078)	0.588^***(0.032)

变量 Variable	E
变量 Variable	模型1 Model 1	模型2 Model 2
M	0.237^**(0.120)	—
S	0.946^***(0.227)	1.090^***(0.220)
S²	-0.723^***(0.236)	-0.701^***(0.267)
Z₁	0.138^***(0.024)	—
Z₂	0.0896^***(0.013)	—
Z₃	-0.582^**(0.273)	—
Z₄	-0.121^***(0.036)	—
常数项Constant	0.293^***(0.078)	0.588^***(0.032)

变量 Variable	E	S	E
变量 Variable	模型3 Model 3	模型4 Model 4	模型5 Model 5
M	0.793^***	1.330^***	0.537^***
	(0.084)	(0.063)	(0.130)
S	—	—	0.192^**
	—	—	(0.075)
常数项	0.344^***	-0.092^*	0.362^***
Constant	(0.075)	(0.056)	(0.074)

机械化服务程度和农地经营规模对玉米生产效率的影响

Effects of mechanization service degree and farmland operation scale on maize production efficiency

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