1.
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
2.
Stability of Farmland Ecosystem Productivity and Time-series Characteristics of Influencing Factors in Hebei Plain--A Case in Xiongxian County
河北平原区农田生态系统生产力稳定性及影响因子时序特征——以雄县为例
3.
Agroecosystems are often highly productive.
农业生态系统通常具有很高的生产力。
4.
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
5.
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
6.
Structure and function of Luonan county field agro-ecosystem
洛南县农田生态系统结构、功能分析
7.
A Primary Study on Mercury in Soil of Different Agricultural Ecosystems;
不同农田生态系统土壤汞的初步研究
8.
N_2O Emission from Agricultural Ecosystem in Middle-Lower Reaches of the Yangtze River Region
长江中下游地区农田生态系统N_2O排放
9.
Analyze of Carbon Source/Sink of Farmland Ecosystem for Example Shan Xi Province
山西省农田生态系统碳源汇问题分析
10.
Review of the Cycling of Trace Elements in Agroecosystems
农田生态系统微量元素循环研究进展
11.
Effects of Different Crop Straw Return and Fertilizer Input on Crop Growth in High-Yielding Agro-ecosystem;
高产农田生态系统不同秸秆还田模式和施肥水平对作物生长的影响研究
12.
Microbial Technology and Application in Agro-ecosystem
农田生态系统微生物多样性研究方法及应用
13.
The Behavior of Residue Nitrate and Its Utilization by Plants in Agro-ecosystem;
农田生态系统中残留硝态氮的行为及植物利用
14.
Research Progress in Conformation and Transformation of Cadmium in Farmland Ecosystem
农田生态系统中镉的形态与迁移转化研究进展
15.
Effects of No-tillage Plus Straw Returning on Cropland Eco-enviroment and Wheat-rice Productivity;
免耕与秸秆还田对农田生态环境和稻麦生产力的影响
16.
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
17.
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
18.
The Ecology Research of Bacteria Degrading Organophosphate Pesticide-Omethoate in Farmland Ecosystem;
农田生态系统有机磷农药氧乐果降解菌的生态学研究