摘要
笔者以宁夏盐池县、同心县404户农户抽样调查数据,对农牧交错区农户耕地变化特征进行了分析,并采用Logistic模型计算,分析了农户耕地变化的影响因素。结果表明:农户家庭耕地面积差异较大,近30年,研究区农户人均耕地面积减少了0.23 hm^2。农田水利设施建设和政府政策引导引起农户农作物种植结构发生变化。外出务工人数占家庭人口比例、政策因素和非农收入对耕地面积变化的影响较为显著,是影响农户家庭耕地面积变化的主要因素。
The change features of farml and in farming-pastoral interlaced region were analyzed based on the survey data of 404 farmers in Yanchi and Tongxing County, and logistic statistics model was applied to analyze the influencing factors of cultivated l and use change.The results showed that the farml and areas per person decreased by 0.23 the study area in recent 30 years, and the crop planting structure change was mainly caused by water conservancy works of farml and and government policies.The main factors for the change of farml and area were the rate of farm labors in households population,policy factors and the income of nonagriculture.
出处
《中国农学通报》
2017年第27期107-111,共5页
Chinese Agricultural Science Bulletin
基金
国家自然科学基金项目"回汉民族文化对土地利用变化的影响研究"(41361014)
关键词
耕地利用变化
实证分析
农牧交错区
farmland use change
empirical analysis
farming-pastoral interlaced region
