陕北风沙区农业可持续发展现状的评价及对策

针对陕北风沙区的农业生产现状，选取农业劳动力人数、人均GDP、单位面积农田水资源量、农田实际灌溉面积、水土流失率和植被覆盖率等指标．采用模糊综合评价法对其6个县域的农业可持续发展程度进行了评价．依据贴近度概念对其可持续程度进行排名并对结果进行分析。结果显示，在6个县（区）中．府谷县和榆阳区农业发展的可持续程度相对较高．其贴近进度分别达到1．679771和1．206079；神木县和横山县农业发展的可持续程度一般．其贴近度分别为0．200747和一0．437277；靖边县和定边县农业发展的可持续程度相对较低．其贴近度分别为-1．142601和-1．506720。针对区域农业可持续性不高的现状，从劳动力、经济、资源和环境方面提出了促进区域农业可持续发展的对策。

Evaluation and Countermeasures on the Agricultural Sustainability in the Sandy Region of North Shannxi

According to the local agricultural situation,the method of fuzzy and comprehensive assessment was adopted to evaluate the agricultural sustainability of the indexes including six counties in that region with six indexes which were rural labor force,per capital GDP,average water resource for farmland,irrigation farmland area,water and soil loss ratio of the six counties.By using the concept of closeness degree the sustainable degree of the six counties was sequenced and the results were analyzed.The results...