(par 5.4.3.2.1 ) Soil retrogression and degradation (taken from Wikipedia)
Soil retrogression and degradation http://en.wikipedia.org/wiki/Soil_degradation From Wikipedia, the free encyclopedia (Redirected from Soil degradation) Jump to: navigation, search Soil retrogression and degradation are two regressive evolution processes associated with the loss of equilibrium of a stable soil. Retrogression is primarily due to soil erosion and corresponds to a phenomenon where succession reverts the land to its natural physical state. Degradation is an […]
(par 5.4.3.2.1 ) Social and environmental impact of palm oil (taken from Wikipedia)
Social and environmental impact of palm oil http://en.wikipedia.org/wiki/Social_and_environmental_impact_of_palm_oil From Wikipedia, the free encyclopedia Deforestation in Riau province, Sumatra, to make way for an oil palm plantation (2007) Palm oil, produced from the oil palm, is a basic source of income for many farmers in South East Asia, Central and West Africa, and Central America. It is locally used as […]
(par 5.4.3.2.1 ) Land degradation and Agriculture
What is land degradation and how much agricultural land is affected? Land degradation caused by agriculture takes many forms and has many causes. Some of the most important types of land degradation (and those that we will focus on) include: (1) Degradation related to overgrazing by livestock (2) Degradation related to soil erosion , here related to inappropriate cultivation practices) 3) Degradation […]