农业水资源培训资料(英文版)(ppt 66页).ppt

1、Symposium on Environmental Changes and Efficient Use of Agricultural Resources, (Oct. 2122, 2011, Shijiazhuang, China),Agricultural water saving studies for a sustainable water management in the North China Plain (NCP) Changming Liu Agricultural Resources Research Center, CAS Key Lab, IGSNRR, CAS, W

2、ater Science College BNU,Outline,Major features of NCPs water resources Main Water issues: rapid social-economic development and climate change Agricultural water-saving: the highlights Discussions of some ideas of water-saving Agricultural water-saving: Policy 2. Agriculture uses the most amount wa

3、ter ,Major understanding4. Water saving is complex systems ,Major understanding7. To resolve water shortage problem, biotech has a prosperity advantages:(1) high reliability for water saving; (2) high efficiency; (3) high capability (4) high applicability and (5) low cost compared with water diversi

4、ons;,Strategic measures:1. To manage water resources is an extremely important issue. There is a pressing need to move away from the past practices of unplanned irrigation-infrastructure and move towards consideration of water governance for water renew-ability.,Strategic measures:2. To deepen scien

5、tific knowledge and transfer the water-saving techniques to farmers more widely;3. To improve Water-Using Efficiency ( WUE for grain yield) is a main target;4. To establish marketing mechanisms for water-saving agriculture and to promote the industrialization in water-saving facilities;,Strategic me

6、asures:5. To enhance and to work out integration of agronomic and engineering measures (or engineering .,Strategic measures:6. To raise awareness of the importance of water-saving through improved training and education of farmers7. To enhance rural environment protection to achieve harmonious devel

7、opment8. To constitute a water-saving mould society,Research development,Green water management Soil water reservoir Water footprint Virtual Water Unconventional water resource,Strategic measures,Thanks for comments,-Science news,2010,.,Worldwide Groundwater report of the NCP,-Nature news, 2010,-Science news,2010,Unsustainable,168km3,13.8 km3,23.8 km3,138.1 km3,7.7 km3,Water Cycle in NCP & Hydrologic Detention,Major features of NCPs water resources,16.1 km3,The data come from Bulletin of Water Resources in China from 1997 to 2008,Water-savi