中国耕地
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基于SOM模型的中国耕地压力分类研究
On the cluster of pressure level of cultivated land in China based on SOM
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针对当前中国耕地利用和保护面临的问题,利用耗散结构理论与熵流模型(EEM),从新的视角并采用新的方法加以研究。
As to the serious situation that farmlands are using and protecting in China , the theory of dissipative structures and entropy exchange model is employed . The purpose of this study is to analyses the use and protection of cultivated land form new perspectives and by new methods .
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中国耕地非农化的区域差异及其收敛性
Regional Difference and Regional Convergence of Cultivated Land Conversion in China
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中国耕地问题的症结与治本之策
Sticking Points of Fundamental Policies for the Farmland Issue in China
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但是中国耕地中有59%的土壤缺磷。
But about 59 % soils in China is phosphate deficient .
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近10年中国耕地资源时空变化特征
The spatial-temporal dynamic change of cultivated land in China in 1990s
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中国耕地资源安全问题及其对策研究
Cultivated Land Resources Security and its Corresponding Counter-measures in China
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中国耕地资源利用效益研究
Study on the utilization benefit of cultivated land in China
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2004年中国耕地的粮食生产能力研究
The Capacity of Grain Production on Arable Land in 2004 in China
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中国耕地资源动态变化剖析
A Discussion on Variations of Cultivated Land Resources of China
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对中国耕地面积增减数量平衡的思考
A consideration on increment and decrement equilibrium of cultivated area in China
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近20年中国耕地复种指数的时空变化
Remotely Sensed Multiple Cropping Index Variations in China during 1981-2000
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中国耕地面积变化的驱动因子及模型研究
Research on Driving Factors and Model of Cultivated Land Change in China
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中国耕地土壤侵蚀空间分布特征及生态背景
The Soil Erosion Distribution Characteristics and Ecological Background of Chinese Cultivated Land
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中国耕地和粮食生产力变化的省际差异研究
Provincial difference in cultivated land and grain productivity in China
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中国耕地非农化对经济增长贡献的地区差异分析
Disparity of farmland conversion to regional economic performance in China
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中国耕地资源损失驱动力分析
Analysis on driving force of China 's cultivated land loss
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中国耕地面积变化信息系统设计
Design of Information System of Change in arable - land area in China
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现阶段中国耕地非农化对经济增长贡献存在地区差异,掌握差异的主要来源和变化趋势有利于耕地非农化指标的高效调配,促进地区经济增长的协调发展。
The disparity of farmland conversion to regional economic growth exists in China .
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中国耕地动态变化及其环境背景分析
Dynamic Change of Chinese Farmland and Environment Background Analysis
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中国耕地养育力及其可持续利用研究
On cultivated land supportability and sustainable utilization in China
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新形势下中国耕地总量动态平衡分析
Dynamic Equilibrium of the Total Cultivated Land in China in a New Situation
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中国耕地与未来30年食物需求、保障及对策
Food Demand , Ensure and Countermeasures for China in the Next 30 Years
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改革开放以来中国耕地保护政策演变
Evolvement of Farmland Protection Policies in China Since the Reform and Opening Up
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中国耕地流失的政策&经济驱动力分析
An analysis on the policy-economy driving force of cultivated land loss in China
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中国耕地压力指数时空规律分析
Analyzing Temporal and Spatial Distribution Characteristics of Pressure Index of Cultivated Land in China
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中国耕地资源严重失衡与摆脱困境之途径
Serious imbalance of arable land resourced and avenues extricated from this difficult position in China
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当前中国耕地占补平衡的宏观形势与特征
New Macroscopical Trends and Characteristic of Balance of Cultivated Land Occupation and Compensation in China
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改革开放以来中国耕地利用与粮食生产安全格局变动研究
The Variation of Farmland Use and the Security Pattern of Grain Production in China since 1978
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中国耕地有机质含量变化对土地生产力影响的定量研究
Study on the Marginal Productivity of Cultivated Land with Change of Soil Organic Matter in China