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Section: Crops and SoilMATCHING – In the space provided, write the letter of the term or phrase that best matches the description. ______ 1. not easily broken down in the environment______ 2. a result of land degradation______ 3. produced by an organism; influences another organism’s behavior______ 4. can be caused by low rainfall or irrigation a. desertificationb. salinizationc. persistent pesticided. pheromone MULTIPLE CHOICE – In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question. ______ 5. Soil layers, listed from the surface down, includea. topsoil, surface litter, bedrock, leaching zone, and subsoil.b. surface litter, subsoil, topsoil, bedrock, and leaching zone.c. surface litter, topsoil, leaching zone, subsoil, and bedrock.d. bedrock, topsoil, surface litter, subsoil, and leaching zone. ______ 6. All of these are soil conservation methods excepta. monocropping. c. contour plowing.b. no-till farming. d. building terraces. ______ 7. _________ are not known to be major crop pests.a. Fungi c. Weedsb. Insects d. Amphibians ______ 8. Tools of biological pest control includea. pathogens. c. chemicals from plants.b. plant defenses. d. All of the above ______ 9. Genetic engineering of plants is a faster way of producing the same results asa. biological pest control. c. integrated pest management.b. plant breeding. d. soil conservation. ______10. Integrated pest management can include chemical pest control, __________, and a mix of farming methods.a. sustainable agriculture c. biological pest controlb. aquaculture d. All of the above
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