基于C-D生产函数模型的陕北农村土地利用生态经济分析--以延安市赵庄村为例
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陕西省社会科学基金项目“黄土高原丘陵沟壑区农业资源配置模式探讨”(11E045);
陕西省科学计划自然基金项目“陕北黄土高原气候变化对水土资源潜在影响评估”(2011JQ5014);
中央高校基本科研业务费专项资金项目“陕北黄土高原气候变化对水资源影响动态分析”(10SZYB27)


Eco-economic Analysis of Land Resources Use Based on Cobb-Douglas Production Function in Northern Shaanxi Province-A Case Study of Zhaozhuang Village in Yan′an City?
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    摘要:

    以陕北延安市城郊赵庄村为研究对象, 以农户地块调查和土壤类型相结合, 选取了高、中、低收入农户共33户进行了实地调查, 其中涉及到298块地块和14种土地利用方式, 28种分析单元。 在C-D生产函数模型分析基础上, 将地块尺度和流域尺度结合起来进行城郊农村土地生态经济适宜性分析, 探索生态效益和经济效益的融合点。 研究结果表明, 除部分红土类型外, 延安市赵庄村大多数土地的生态类型对于农业基本是适宜的。 但是除部分对于比较传统的种植业高度适宜外, 其他都基本适宜, 适宜度并不很高。 对于传统的种植作物, 如玉米、谷糜, 在以后的管理中, 要提高经济效益, 需要多施有机肥, 做到合理施肥。对于小瓜、大棚蔬菜等特色种植业, 应以提高技术水平为主, 提高其经济效益。 对于豆类、白菜种植来说, 劳动力对其产量影响程度很小;对于薯类和萝卜, 技术水平对其影响可以忽略。

    Abstract:

    This research was conducted to investigate land use patterns and soil types in Zhaozhuang, a village of Yan′an City in Northern Shaanxi Province. 298land parcels, 14land utilization patterns and 28analysis units were analyzed according to 33high, medium and low-income household surveys. Based on the Cobb-Douglas production function model, the plot scale and the watershed scale were combined to analyze the eco-economic suitability of suburban rural land and explore the integration of ecological and economic benefits. Results showed that most of the land ecosystem types in Zhaozhuang village are appropriate for agriculture, except part of the lat-erite type. However, only some are highly suitable for traditional farming, while the others′suitability is not so high. For traditional farming such as corn and cereal, more organic fertilizers and rational fertilization are needed for an improved economic efficiency. For featured farming such as small melons and greenhouse vege-tables, improving the technical level is more important. For beans and cabbage farming, labor is less impor-tant for their yields. For tuber crops and turnips, the effects of technical level can be ignored.

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李春越,王益,谢永生,任志远,王万忠.基于C-D生产函数模型的陕北农村土地利用生态经济分析--以延安市赵庄村为例[J].水土保持通报,2012,(5):224-230

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  • 收稿日期:2011-02-14
  • 最后修改日期:2012-03-28
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  • 在线发布日期: 2014-11-25
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