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4th grade Soil NR
CCS 4th Gr Science FK1
Question | Answer |
---|---|
weathering | the process that breaks up rocks |
erosion | the process by which wind and moving water carry away bits of rock and other material |
humus | top soil containing rotting plant and animal materials |
fertile | soil that has the nutrients to grow many plants |
texture | the property of soil that can be observed by the sense of touch |
soil conservation | the saving of soil |
contour plowing | plowing around a hill to reduce erosion |
strip cropping | the practice of planting one or more crops between rows of other crops to control erosion |
terracing | a farming method used on steep hillside to control erosion |