| 1. | Effects of earthworms on nitrogen leaching in wheat field agro - ecosystem
蚯蚓活动对麦田生态系统中土壤氮素渗漏的影响 |
| 2. | Primary analysis on the successional regulation of agro - ecosystem in shihezi oasis
石河子绿洲农业生态系统演替规律初探 |
| 3. | The dynamic mechanism of management for mixed farming agro - ecosystem in yucheng county
农牧结合生态系统管理的动力学机制 |
| 4. | Agro - ecosystem ' s sustainable development and the quantitative evaluation abroad
国外农业生态系统可持续发展的定量评价研究 |
| 5. | A study on water cycle in agro - ecosystem and relationship between crops and water
农田生态系统水分循环与作物水分关系研究 |
| 6. | A study on the comprehensive assessment of agro - ecosystem in the three gorges reservoir area
三峡库区农业生态系统综合评价研究 |
| 7. | Nitrogen balance of agro - ecosystem in a typical watershed in the hilly area of central sichuan basin
川中丘陵区典型小流域农田生态系统氮素收支探析 |
| 8. | Geographic differentiation of yield - increase efficiency caused by recycled nutrients in agro - ecosystems
农业生态系统养分循环再利用作物产量增益的地理分异 |
| 9. | This research will collectively address best management practices and conservation for the fragile dryland agro - ecosystem
一项事后农村调查将确定农民对新技术的接受程度，并量化农民收入变化。 |
| 10. | It is a holistic production management system which promotes and enhances agro - ecosystem health , and productivity of soil , plants , animals and people
有机耕种是可持续发展重要的一环，它是一套整全的生产系统，改善生态环境。 |
