SONG Wei; CHEN Baiming; CHEN Xiwei
Source Publicationchinesegeographicalscience
AbstractThis paper aims to establish an index system for evaluation of agricultural resources use efficiency (ARUE) in grain production and discuss the causes of low efficiency and high consumption of agricultural resources in Changshu of Jiangsu Province, Taihe of Jiangxi Province and Ansai of Shaanxi Province in China by analyzing the data about meteorology, soil, water consumption and grain production. Agro-ecological Zone (AEZ) method was adopted to calculate the potential productivity, and synthetically multivariate equation was used to evaluate the ARUE of study areas. This paper can be concluded as: 1) the agricultural resources in grain production can be classified into five categories, i.e., climatic resources, water resources, land resources, biological resources and assistant resources, and 15 indexes were selected to evaluate their use efficiency in grain production; 2) the values of ARUE in grain production are 0.5868, 0.6368 and 0.5390 respectively in Changshu, Taihe and Ansai; and 3) Changshu ranks the highest among the three study areas in terms of the use efficiency of climatic resources and biological resources (evaluation values are 0.0277 and 0.1530), but Taihe tops the three in terms of the use efficiency of water resources, land resources and assistant resources (evaluation values are 0.0502, 0.2945 and 0.1379 respectively), However, the ARUE remains always low in Ansai for all the resources. The inefficiencies are caused by poor grain revenue in Changshu, deficient agriculture investments in Taihe and unfavorable natural conditions in Ansai,
Document Type期刊论文
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
SONG Wei,CHEN Baiming,CHEN Xiwei. evaluationforuseefficiencyofagriculturalresourcesingrainproductionacasestudyofchangshutaiheandansaiinchina[J]. chinesegeographicalscience,2009,019(001):46.
APA SONG Wei,CHEN Baiming,&CHEN Xiwei.(2009).evaluationforuseefficiencyofagriculturalresourcesingrainproductionacasestudyofchangshutaiheandansaiinchina.chinesegeographicalscience,019(001),46.
MLA SONG Wei,et al."evaluationforuseefficiencyofagriculturalresourcesingrainproductionacasestudyofchangshutaiheandansaiinchina".chinesegeographicalscience 019.001(2009):46.
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