click below
click below
Normal Size Small Size show me how
4B ch 2 & 3
Term | Definition |
---|---|
humus | The rotting plant and animal materials in topsoil. |
fertile | Soil that has the nutrients to grow many plants. |
terracing | A farming method used on steep hillsides to control erosion. |
erosion | The process by which wind and moving water carry away bits of rock. |
strip cropping | The practice of planting one or more crops between rows of other crops to control erosion. |
contour plowing | Plowing around a hill to reduce erosion. |
soil conservation | The saving of soil. |
weathering | The process by which rocks are broken down into smaller pieces. |
preservation | The protection of an area |
conservation | The careful management and wise use of natural resources |
reclamation | The repairing of some of the damage to an ecosystem. |
succession | The process that gradually changes an existing ecosystem into another ecosystem |