Spatial variation of technical efficiency of cereal production in China at the farm level

ZHOU Wen-bin; WANG Huai-yu; HU Xi; DUAN Feng-ying

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Spatial variation of technical efficiency of cereal production in China at the farm level

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Rice, wheat and maize are the main staple food crops to ensure the food security in China with diversified climate condition, cropping system and environmental and socio-economic factors across provinces. Spatial variation of technical efficiency in farmers' field is helpful to understand the potential to improve farmers' yield given the inputs level and reduce the yield gap. The study is based on a large-scale farm household survey which covered 1 218 rice farmers, 3 566 wheat farmers and 2 111 maize farmers in the main producing areas. The results indicate that rice farmers are with very high technical efficiency level, nearly 0.9 on average, with little room to improve the efficiency of agricultural inputs. Similar results have been found in wheat and maize farmers' fields, although the technical efficiency levels are lower than that of rice farmers while still at a high level with obvious variation across regions. Farmers with higher yield level also achieve better technical efficiency in most locations. Both local environmental and socio-economic factors significantly affect farmers' technical efficiency. In the context of urbanization and economic development, improved and new agricultural technologies need to be prioritized and facilitated to improve cereal yield at farm level.

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《农业科学学报（英文版）》 |2021年第2期|470-481|共12页
作者
ZHOU Wen-bin; WANG Huai-yu; HU Xi; DUAN Feng-ying;
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作者单位

Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

School of Management and Economics Beijing Institute of Technology Beijing 100081 P.R.China;

Agricultural Genomics Institute at Shenzhen Chinese Academy of Agricultural Sciences Shenzhen 518108 P.R.China;

Institute of Crop Sciences Chinese Academy of Agricultural Sciences Beijing 100081 P.R.China;

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Spatial variation of technical efficiency of cereal production in China at the farm level

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