Maricopa Community Colleges  AGS260   19956-99999 

Official Course Description: MCCCD Approval: 6-27-1995

AGS260  1995 Fall – 2004 Fall

LEC  4.0 Credit(s) 3.0 Period(s)  3.0 Load  Occ

LAB  0.0 Credit(s) 3.0 Period(s)  2.4 Load

Origin and Composition of Soils

Derivation, classification, and evaluation of soils; emphasizing their chemical, physical and biological properties in relation to plant growth.

Prerequisites: None.

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MCCCD Official Course Competencies:

 

AGS260  1995 Fall – 2004 Fall

Origin and Composition of Soils

 

1.

Describe the materials of which soil is composed. (I)

2.

Describe the process by which soil is formed. (II)

3.

Identify and describe the physical properties of soil. (III)

4.

Describe the interrelationship between soil and water as it relates to plant growth. (IV)

5.

Describe the effects of air temperature on soil conditions. (V)

6.

Identify and describe organic colloids. (VI)

7.

Explain how soil reacts to alkalinity or acidity. (VII)

8.

Describe the effects of nitrogen and sulfur on soil and plant growth. (VIII)

9.

Describe the effects of phosphorous and potassium on soil and plant growth. (IX)

10.

Identify micro nutrients in soil, and describe their effects on soil and plant growth. (X)

11.

Explain the use of fertilizers to enhance soil and increase plant production. (XI)

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MCCCD Official Course Outline:

 

AGS260  1995 Fall – 2004 Fall

Origin and Composition of Soils

 

I. Parent Materials of Soil

II. Soil Formation

III. Physical Properties of Soil

IV. Soil and Water

V. Soil and Air Temperature

VI. Soil and Organic Colloids

VII. Soil Reaction

VIII. Nitrogen and Sulfur

IX. Phosphorous and Potassium

X. Micro nutrients

XI. Fertilizer Management

 

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