While water erosion continues to be the most serious cause of soil degradation globally, innovative strategies that remediate important soil functions can restore the productivity of eroded soils.

Erosion in the Punjab, its Causes and Cure A Survey of Soil Conservation. By Sir Harold Glover. Pp. ix + 143 + 115 plates. (Lahore: Civil and Military Gazette, Ltd., 1944.) 15.7 rupees ; 23s.

can actually increase soil erosion beyond the soil’s ability to maintain itself. Half of the topsoil on the planet has been lost in the last 150 years. In addition to erosion, soil quality is affected ...