Slide 11 Michael OHare Goldman School of Public Policy University of California, Berkeley [email protected] Land Use Change and Biofuels Policy EEA Expert meeting Copenhagen…
Slide 1SOIL EROSION AND DEGRADATION Soil erosion lowers soil fertility and can overload nearby bodies of water with eroded sediment. Sheet erosion: surface water or wind…
Slide 1Desertification: Degrading Drylands About one-third of the world’s land has lost some of its productivity because of drought and human activities that reduce or…
Slide 1 Ch 3 and 13 Soils Part 2 Slide 2 Global Outlook: Soil Erosion Soil is eroding faster than it is forming on more than one-third of the world’s cropland. Figure 13-10…
Slide 1 Soil Erosion and Degradation Slide 2 PA Standards 4.2.12.C: Renewable and Nonrenewable Resources 4.4.10.B: Agriculture and Society “The nation that destroys its…
Case Study: Soil Erosion in the U.S. â Some Hopeful Signs Soil erodes faster than it forms on most U.S. cropland, but since 1985, has been cut by about 40%. 1985 Food Security…
SUSTAINABLE AGRICULTURE THROUGH SOIL CONSERVATION Modern farm machinery can plant crops without disturbing soil (no-till and minimum tillage. Conservation-tillage farming:…