PRODUCTIVITY

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Information Technology Research on Productivity Evaluation of Gravel-mulched Field in Ningxia
《Agricultural Biotechnology》2019年第3期116-118,125,共4页Bin WANG Juncang TIAN 
Supported by National Key Technology R&D Program(2007BAD54B01);the Scientific Research Project of Yinchuan University of Energy(2014KYZ05)
The evaluation process of traditional land productivity is relatively complex,and the evaluation indices and results cannot display visually.With the development of geographic information system science,there are more...
关键词：Gravel-mulched FIELD PRODUCTIVITY EVALUATION MODEL INFORMATION system 
No correlation between the diversity and productivity of assemblages: evidence from the phytophage and predator assemblages in various cotton agroecosystems
《Science China(Life Sciences)》2014年第9期936-943,共8页GAO Feng MEN XingYuan GE Feng 
supported by the National Natural Science Foundation of China(31101491,31030012);National Key Technology R&D Program(2012BAD19B05)
Biodiversity research has shown that primary productivity increases with plant species number,especially in many experimental grassland systems.Here,we assessed the correlation between productivity and diversity of ph...
关键词：CORRELATION PRODUCTIVITY DIVERSITY cotton agroecosystem insect assemblage 
Cropland Dynamics and Their Influence on the Productivity in Northern Shaanxi,China,for the Past 20 Years:Based on Remotely Sensed Data被引量：4
《Journal of Resources and Ecology》2014年第3期272-279,共8页刘文超 刘纪远 颜长珍 秦元伟 闫慧敏 
National Basic Research Program of China(2010CB950900);National Key Technology R&D Program(2013BAC0304)
In this paper,we mainly focused our research on northern Shaanxi district,which is a pilot area of the Grain for Green Project.We compared the spatial distribution patterns of croplands and their productivity for the ...
关键词：Northern Shaanxi CROPLAND remote sensing land use change net primary productivity 
Construction and Application of Soil Erosion Control and Circular Agriculture Mode in Hilly Red Soil of Southern China被引量：2
《Agricultural Science & Technology》2012年第7期1536-1542,1557,共8页翁伯琦 钟珍梅 罗旭辉 应朝阳 王义祥 叶菁 
国家科技支撑计划课题(2012BAD14B15);福建省农业科学院科技创新团队项目~~
[Objective] The paper was to construct soil erosion control and circular agriculture mode in hilly red soil of southern China, and analyze its application effort. [Method] The cause of soil erosion in hilly red soil o...
关键词：Red soil hilly region Soil erosion control Integrated productivity Emergy analysis Carbon sequestration sink enhancement 
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