| 1. | Pollen sedimentary facies of fluvial sediments on north china plain
华北平原冲积物孢粉沉积相研究 |
| 2. | A study on the ecological groundwater table in the north china plain
华北平原地下水生态环境水位研究 |
| 3. | Spatial and temporal variation of atmospheric nitrogen deposition in north china plain
华北平原大气氮素沉降的时空变异 |
| 4. | Cultivation pattern and development of quality forage in the north china plain
华北平原主要优质牧草的种植模式与产业发展方向 |
| 5. | An assessment model for effects of climate abnormity on wheat production in north china plain
我国华北冬小麦生产影响评估模型的研究 |
| 6. | Regional groundwater pumpage for agriculture responding to precipitation in north china plain
华北平原农田区地下水开采量对降水变化响应 |
| 7. | Experimental study on conservation tillage system in areas of two crops a year in north china plain
华北平原一年两熟保护性耕作体系试验研究 |
| 8. | Relationship between the formation of groundwater and the evolution of regional hydrologic cycle in north china plain
华北平原地下水形成与区域水文循环演化的关系 |
| 9. | Here , running from north to south are the northeast plain , the north china plain and the middle - lower yangtze plain
这一级上分布着东北平原、华北平原、长江中下游平原。 |
| 10. | The relationship between relative evapotranspiration and leaf area index and surface soil water content in winter wheat field of north china plain
华北平原冬小麦相对蒸散与叶面积指数及表层土壤含水量的关系 |
