Soil And Soil Erosion - Strategies To Prevent Soil Erosion

Question 1

Methods to minimise soil erosion (12):

Answer 1

1. Contour ploughing – ploughing across the slope
2. Strip cropping – growing of different crops parallel strips
3. Afforestation – plant trees
4. Not ploughing on steep slopes – rate of runoff in steep slopes are fast
5. Crop rotation – move crops around don’t keep planting same things year after year
6. Windbreaks – cover from wind so t doesn’t blow topsoil away
7. Fallowing – resting a piece of land
8. Filling in of dongas – making sure you look after farm roads, don’t let road erode too much
9. Using natural organic fertilizers
10. Avoid overgrazing
11. Retain soil cover in dry and windy seasons
12. Vegetation margins along stream banks – may not plant within 20 meters of a river bank