| 1. | Investigation ascular plant resources in the wetland of the old yellow river of east henan
豫东黄河故道湿地维管植物资源调查 |
| 2. | An analysis of marsh aqutic spermatophyte flora of the old yellow river in the east of henan
豫东黄河故道湿地水生种子植物区系分析 |
| 3. | Study on developing wetland eco - tourism resources of the yellow river ' s old course in shangqiu
商丘市黄河故道湿地生态旅游资源开发初探 |
| 4. | A preliminary analysis on ecoenvironmental issues and countermeasures of the old course and marsh land of huanghe in northem henan
豫北黄河故道湿地鸟类自然保护区鸟类区系调查 |
| 5. | The vegetation ' s diversity and protective exploitation of the natural reserved marsh in the old yellow river of east henan
豫东黄河故道湿地自然保护区植被的多样性及其保护性开发 |
| 6. | Relation of wetland resource restoration and protection countermeasure of national conservation area of yellow river in northern henan province
浅析豫北黄河故道国家级保护区湿地资源恢复与保护对策 |
| 7. | Analysis of the eco - geological environment and control countermeasures of the wetland protective region in old channel of the yellow river in north henan
豫北黄河故道湿地保护区生态地质环境分析与防治对策 |
| 8. | A fusion reasoning frame based on cbr and rbr is put forward , and a pre - dss is designed and developed based on the frame
将以黄河故道地区砀山酥梨黑星病为例进行测试的数据，与现有方法以及实测数据进行相关性统计分析。 |
| 9. | The results showed that the soil moisture was moderate for the tree growth by plastic film mulching and covering grass under trees , which had led to higher yield and quality of the fruit than that of other treatments
因此，在黄河故道区无公害酥梨生产中，建议采取塑料薄膜覆盖和树盘覆草方法，此方法操作简单，便于实施。 |
| 10. | The obsolete yellow river channel , an unique unit of the landscape , has been improved after many years exploition and cultivation , but no basic change has taken place for farming and living condition , the farmer ' s income is relatively low and industrialization process is slow
摘要黄河故道是一个独特的地貌单元，经多年的开发治理，其利用现状亡大有改观，但该地区农业生产条件尚没有得到根本改变，农民收入水平相对较低农业产业化发展进程缓慢。 |
