Norman Uphoff
- Auteur
Boeken van Norman Uphoff
Norman Uphoff
Janice Thies
Biological Approaches to Regenerative Soil Systems
Agriculture in the 21st century will need considerable modification to remain both productive and sustainable. Greater production is needed to meet the needs of our still-growing populations and to combat hunger and poverty.
Meer
Norman Uphoff
Improving International Irrigation Management With Farmer Participation
Traditionally, indigenous irrigation in many countries of Asia, Africa, and Latin America has been managed quite well by water users, who design, build, operate, and maintain often sophisticated, but usually small-scale, systems.
Meer
Rattan Lal
Norman Uphoff
B.A. Stewart
David O. Hansen
Climate Change and Global Food Security
In order to feed their burgeoning populations, developing nations will need to double cereal production by the year 2050. This increase will have to come from existing land, as little potential exists for bringing new land under cultivation -- a daunting prospect when one realizes that increased use and significantly higher concentrations of carbon dioxide have led to a severe depletion of the carbon pool in the world's soils.
Meer
Norman Uphoff
Agroecological Innovations
The world's food supply needs to rise significantly, yet both arable and water supplies per capita are decreasing. Not only are modern agricultural methods beyond the reach of those suffering the greatest food insecurity but they are also ecologically damaging, relying upon fossil energy and chemical inputs.
Meer