Unit 5 Vocabulary

2. : a mixture of sediment
4. mining: opposite of underground mining.
6. : tarring to death.
7. : Salinization is salt accumulation. It can occur in soil from saltwater evaporating from within the soil and reaching the surface, producing a salt crust.
8. : supplying dry land with water by means of ditches etcLipids
11. : supply energy for cellular processes (sugars and starches found in fruits, veggies, grains, potatoes, and cereal.
13. : proteins, carbohydrates and lipids.
14. farming plant rows across the contour of land to create mini dams; this causes less erosion by water.
15. : The activity or business of felling trees and cutting and preparing the timber.
16. : draining away of water.
17. tarring to death.
20. farming : new seeds are planted right next to old decaying crops (plant roots hold soil in place).
23. : sloppy land in form of steps
24. : the movement of soil components from one place to another; this most commonly affects the surface litter and topsoil.
26. : using trees to decrease wind erosion. Alley cropping/ plant crops in strips or alleys between shrub or trees; they block wind and roots hold soil in place.
27. : one cause to desertification
28. cropping: The growing of a cultivated crop, such as cotton, and a sod-forming crop, such as alfalfa, in alternating strips following the contour of the land, in order to minimize erosion.
29. : top part of the soil when it is formed.

1. land : land that can be used fro growing crops
3. matter : Plant and animal residues such as leaves, trimmings, and manure in various stages of decomposition.
5. : this occurs from a combination of prolonged drought and unsustainable human activities.
9. cropping : plant crops in strips or alleys between shrub or trees; they block wind and roots hold soil in place.
10. : energy by eating
12. : vitamins and minerals.
13. : A deficiency of protein and other key nutrients in a person's diet.
18. : used to build and maintain the body.
19. : A chemical secreted by an animal, especially an insect, that influences the behavior or development of others of the same species by confusing insects when trying to find a mate so they breed less.
21. : The organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
22. : insects that destroy crops and farms.
25. farming : regards animals and the natural world as commodities like food or leather to used for profits.
30. : A fertile soil of clay and sand containing humus.