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Soil Science - Laboratory Report - Fall 2008 | AGS 221, Lab Reports of Soil Physics

Material Type: Lab; Class: Soil Science; Subject: Agriculture Science; University: Central Arizona College; Term: Fall 2008;

Typology: Lab Reports

Pre 2010

Uploaded on 08/19/2009

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Central Arizona College
8470 N. Overfield Road
Coolidge, AZ 85228
Phone: (520) 494-5206 Fax: (520) 494-5212
AGS 221 Soil Science
Catalo
g
Description:
Fundamental principles of soil science, including the
origin, nature and classification of soils, emphasizing the
chemical, physical and biological properties in relation to
growth and nutrition of plants and non-plant uses of soils.
Credit Hours: 4
Effective Term: Fall 2008
Terms Offered: Fall and Spring
Teaching Methods: Lecture Lab
Modalities: Face to Face Hybrid course
Prerequisite(s): RDG100A or RDG100B
Corequisite(s): None
Times for Credit: 1
Grading Option: A/F
Credit Breakdown: 3 Lecture, 3 Lab
Cross Listed: N/A
Learnin
g
Outcomes:
1. Explain the principles of research in soil science.
2. Identify the five key functions of soil in our ecosystem.
3. Identify the five soil forming factors.
4. Recognize the classification of soils and the distribution
of the 12 soil orders in the US.
5. Relate the influence of the seven physical properties of
soil to the functions of soil in the environment.
6. Apply soil water functions to soil management.
7. Recognize the nature and properties of soil colloids.
8. Determine the influence of soil reaction, pH, on soil
management.
9. Identify the properties of alkaline and salt affected soils
of arid regions.
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8470 N. Overfield Road Coolidge, AZ 85228 Phone: (520) 494-5206 Fax: (520) 494-

AGS 221 Soil Science

Catalog Description:

Fundamental principles of soil science, including the origin, nature and classification of soils, emphasizing the chemical, physical and biological properties in relation to growth and nutrition of plants and non-plant uses of soils. Credit Hours: 4 Effective Term: Fall 2008 Terms Offered: Fall and Spring

Teaching Methods: Lecture Lab

Modalities: Face to Face Hybrid course Prerequisite(s): RDG100A or RDG100B Corequisite(s): None Times for Credit: 1 Grading Option: A/F

Credit Breakdown: 3 Lecture, 3 Lab

Cross Listed: N/A Learning Outcomes:

  1. Explain the principles of research in soil science.
  2. Identify the five key functions of soil in our ecosystem.
  3. Identify the five soil forming factors.
  4. Recognize the classification of soils and the distribution of the 12 soil orders in the US.
  5. Relate the influence of the seven physical properties of soil to the functions of soil in the environment.
  6. Apply soil water functions to soil management.
  7. Recognize the nature and properties of soil colloids.
  8. Determine the influence of soil reaction, pH, on soil management.
  9. Identify the properties of alkaline and salt affected soils of arid regions.

AGS 221 - Soil Science Page 2 of 4

  1. Recognize the importance of soil organisms as they relate to the natural environment.
  2. List the macro-nutrient and micro-nutrient elements of the soil.
  3. Recognize the goals of responsible and practical nutrient management in the biosphere.
  4. Associate the soil erosion with land degradation.
  5. Apply County Soil Survey Data to the practical use of soil science principals.

Standards: 1. List the steps of the scientific method for obtaining results from laboratory experiments.

  1. Report on the role of soil in the Earth's ecosystem by describing the five soil functions: medium for plant growth, regulator of water supplies, recycler of raw materials, habitat for soil organisms, and engineering medium.
  2. Using the five soil forming factors: a. Report on Hans Jenny and the equation describing soil formation. b. List and describe the seven types of parent material.
  3. Discuss the development of the soil classification system, the USDA Soil Taxonomy Key, and soil nomenclature. a. Identify the twelve soil orders in North America. Draw and label examples. b. List and locate two of the 12 Soil Orders found in Arizona.
  4. Outline the Physical Properties of Soil: a. Define hue, value and chroma. b. Correctly estimate soil color using the Munsell Color Chart. c. List the size of mineral particles in a soil sample. d. Determine the soil textural class by the “feel” method. e. Describe and recognize the various types of soil structure. f. Calculate bulk densities for various soil samples.

AGS 221 - Soil Science Page 4 of 4 primary producer, primary consumers and secondary consumers. c. Identify soil micro, meso, and macro animals and their function in the soil ecosystem. d. Explain the significance of soil micorrhizae, and the beneficial effects of soil organisms as a recycler of raw material in the biosphere.

  1. List the soil macro and micro nutrients. a. Explain the role of nutrients in crop production. b. Draw and label the Nitrogen Cycle distinguishing between ammonification and mineralization. c. Describe various Nitrogen, Phosphorous and Potassium deficiencies in plants.
  2. Describe the four goals of nutrient management. a. Report on the benefits of riparian buffer strips and selective timber cutting for environmental stewardship. b. Discuss methods and timing of fertilizer applications.
  3. Describe land degradation and desertification. a. Report on Hugh Hammond Bennett and the founding of the Natural Resource Conservation Service. b. Identify the mechanics of water erosion and wind erosion. c. Calculate and apply the Universal Soil Loss Equation to various soil erosion models. d. Explain the benefits of conservation tillage practices in sustainable agricultural systems. e. Evaluate land capability classification systems as a guide to soil conservation.
  4. Describe the techniques and tools necessary for mapping soils. a. Demonstrate the use of a soil probe and soil auger. b. Demonstrate the use of the Legal Land Survey System. c. Calculate the number of square feet in an acre. d. Calculate the number of acres in a Section. e. Calculate the Sections in a Township. f. Utilize a County Soil Survey to determine various properties of soils in Pinal County. AGEC/Special Requirements: Biological and Physical Science

Revised: 2/