Chapter 9 Vocabulary
- A horizon
- agriculture
- B horizon
- bedrock
- C horizon
- cation exchange
- clay
- conservation district
- contour farming
- crop rotation
- cropland
- desertification
- Dust Bowl
- E horizon
- erosion
- fertilizer
- green revolution
- horizon
- industrialized agriculture
- inorganic fertilizer
- intercropping
- irrigation
- leaching
- loam
- monoculture
- O horizon
- organic fertilizer
- overgrazing
- parent material
- rangeland
- R horizon
- salinization
- sand
- shelterbelt
- silt
- soil
- soil profile
- terracing
- topsoil
- traditional agriculture
- waterlogging
- weathering