Scientia Agricultura Sinica ›› 2011, Vol. 44 ›› Issue (24): 5124-5219.doi: 10.3864/j.issn.0578-1752.2011.24.019

• AGRICULTURAL ECONOMY & MANAGMENT • Previous Articles     Next Articles

Analysis of Agricultural Technology Extension Efficiency in Super Rice Production

 LU Xin-Ye , ZHU  Xiao-Li, ZHOU  Hong   

  1. 1.中国农业科学院农业经济与发展研究所，北京 100081
    2.南京农业大学理学院，南京 210095；3南京农业大学经济管理学院，南京 210095
  • Received:2011-09-29 Online:2011-12-15 Published:2011-11-10

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Abstract: 【Objective】 This paper analyzes the efficiency of technology extension in super rice’s each production links from the angle of input and output. 【Method】 Through decomposing the planting links of super rice, using the first-hand field data and applying super-efficiency DEA method, the key indicators of agricultural technology extension efficiency were established. 【Result】The results show that the model household’s production was efficient, while the production efficiency of non-model household was only 80% in average. The three time deviation indexes accounted for 15% on yield of the total impact. Through analyzing the relaxation variables, the analysis and quantitative description of degree of deviation of the non-effective indexes was made. 【Conclusion】 The promotion situation of super rice has an important influence on its output and efficiency. This study fully explained that agricultural technology extension efficiency in growing management not only affects the output, but also affects the cost of planting.

Key words: super-efficiency DEA, extension efficiency, super rice, technology extension

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