Managing the Effects of Soil Erosion (Grade 11 NSC Matric Geography): Flashcards
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3 dimensions needed for soil erosion management
3 dimensions needed for soil erosion management
Political, economic, and technical changes
Land reform benefit for soil erosion
Land reform benefit for soil erosion
Reduces pressure on land & prevents overuse of soil
Purpose of financial incentives for farmers
Purpose of financial incentives for farmers
Makes soil conservation techniques more affordable
Role of education & training in erosion management
Role of education & training in erosion management
Makes farmers aware of causes & effects of soil erosion
Contour ploughing definition
Contour ploughing definition
Ploughing on slopes following natural contour lines
Purpose of wind breaks
Purpose of wind breaks
Reduce wind force that blows away topsoil
Strip cropping definition
Strip cropping definition
Growing crops in alternating strips with grass cover
Terracing purpose
Terracing purpose
Creates stepped levels on slopes to slow water flow
What is humus?
What is humus?
Decaying plant & animal remains like leaf litter & dung
2 harmful practices to avoid
2 harmful practices to avoid
Overgrazing and overcropping