1.
The Evaluation and Cases Studies on the Productivity of Agroecosystem in the Ecotone between Agriculture and Pasture in North China;
北方农牧交错带农业生态系统生产力分析评价及实证研究
2.
Energy Analysis of Agro-ecosytem Productivity in the Ecotone Bewteen Agriculture and Pasture in North China--A Case Study of Wuchuan County;
农牧交错带农业生态系统生产力的能值分析——以武川县为例
3.
Study on the Concept and Accounting Methods of Agricultural Productivity on Ecosystem Scale and Their Applications;
农业生态系统生产力的概念、计量方法与应用研究
4.
The Research on the Agro-ecosystem Productivity Development in the Ecotone in Dry-semidry Area between Agriculture and Pasture in North China;
北方干旱、半干旱农牧交错带地区农业生态系统生产力开发途径研究
5.
Agroecosystems are often highly productive.
农业生态系统通常具有很高的生产力。
6.
An approach to the index system for productivity of agricultural eco-economic system.
农业生态经济系统生产力评价指标体系研究
7.
The Evaluation and Analysis on Agro-ecosystem Productivity Stability;
区域农田生态系统生产力稳定性评价
8.
Study on Ecological Carrying Capacity of Financial Industry Ecosystem;
金融产业生态系统的生态承载力研究
9.
An Exploration of Relationship between Agriculture Ecosystem and Agricultural Product Quality Ecosystem;
农业生态系统与农产品质量生态系统关系的研究
10.
Effects of light competition on crop productivity in an intercropping agroforestry ecosystem
光能竞争对农林复合生态系统生产力的影响
11.
Rearch of Agricultural Productivity Evaluate Analyse and Optimize System;
农业生产力评价分析和优化系统研究
12.
Maize Production And Utilizing In The Ecotone Between Agriculture And Animal Husbandry In Northeast China And Agricultural Ecosystem Optimization Model;
东北农牧交错带玉米生产与利用及农业生态系统优化生产模式
13.
Study on Ecological Carrying Capacity for Developing Industrial Ecosystem in Zhoushan Archipelago
舟山群岛发展产业生态系统的生态承载力研究
14.
Analysis on the Agricultural Ecosystem Primatily Based on Beef and Meat Sheep Production
以肉牛、肉羊生产为主体的农业生态系统分析
15.
Industry composes assessment of agro-ecosystem in the Loess Hilly and Gully Region of North Shaanxi;
黄土丘陵区农业生态系统产业结构分析
16.
Agriculture Eco-economy System and Agriculture Structure Adjustment---theoretical study and practical analysis;
农业生态经济系统与农业生产结构调整——理论探讨与实证分析
17.
Study on Natural Rubber Industry Ecosystem Management of Hainan Farm;
海南农垦天然橡胶产业生态系统管理研究
18.
Health assessment of natural rubber industry ecosystem in Hainan farm;
海南农垦天然橡胶产业生态系统健康评价研究