- - AGRICULTURE CORE CURRICULUM - - (CLF7000) Advanced Core Cluster: PLANT SCIENCE AND SOIL SCIENCE (CLF7500) Unit Title: SOIL TILLAGE, LAND PREPARATION AND CONSERVATION UNIT DIRECTORY: ____________________________________________________________________________ Code Topic Title Hours Year(s) ____________________________________________________________________________ (CLF7501) Soil Tillage, Land, Preparation 4 3 / 4 and Conservation (CLF7502) Crop Residues & Green Manures 2 3 / 4 (CLF7503) Root Interaction with the Soil 1 3 / 4 (CLF7504) Erosion 2 3 / 4 TOTAL TIME FOR UNIT = 12 ____________________________________________________________________________ UNIT GOAL: Students will demonstrate a basic knowledge of techniques of soil tillage, land, preparation and conservation. ____________________________________________________________________________ UNIT OBJECTIVES: Upon completion of this unit, the students will be able to: 1. List and discuss four advantages of cultivation. 2. Identify four methods of land preparation and seeding. 3. List four objectives of tillage operations necessary for good crop production. 4. Explain the order and purpose of each tillage operation necessary to prepare a good seedbed. 5. Explain the effect of depth of planting on seed. 6. Explain the advantages and disadvantages of incorporating crop residues or green manures into the soil. 7. Explain how roots interact with soil. 8. Identify four types of soil water erosion and describe four conservation practices which are used to minimize each. 9. Discuss affects of wind erosion and list management procedures used to control it. ____________________________________________________________________________ REFERENCES Brady, Nyle C. THE NATURE AND PROPERTIES OF SOILS. (9th ed.) New York: MacMillan Publishing Co. Deere and Company. (1976). FUNDAMENTALS OF MACHINE OPERATION, TILLAGE. Donahue, Roy L. (1983). SOILS. (5th ed.) Englewood Cliffs, New Jersey: Prentice Hall, Inc. Hartman, Hudson. (1988). PLANT SCIENCE. (2nd ed.) Englewood Cliffs, New Jersey: Prentice Hall, Inc. WESTERN FERTILIZER HANDBOOK. (7th ed.) Danville, Illinois: Interstate Printers and Publishers. Ware, George W. (1978). THE PESTICIDE BOOK. San Francisco, California: W.H. Freeman and Co. Forth, H.D. FUNDAMENTALS OF SOIL SCIENCE. (1972). New York: John Wiley and Sons, Inc. ____________________________________________________________________________ RESOURCES: 7/25/90 sg #%&C