Agronomy Courses

AGRN 125. Soil Judging. I. 1 Hr. PR: Consent. Field study of soils for classification and land use evaluation. (3 hr. Lab.) May be repeated for max. 3 credits).

AGRN 202. Principles of Soil Science. I, II. 3 Hr. PR: CHEM 111 or equiv. CONC: 203. Introductory course. Soils as a natural resource emphasizing physical, chemical, and biological properties in relation to plant growth and production, land use and management, soil and water pollution, and environmental protection.

AGRN 203. Principles of Soil Science Laboratory. I,II. 1 Hr. PR or CONC: AGRN 202 or consent.

AGRN 315. Turfgrass Management. 3 Hr. PR: AGRN 202 and AGRN 203 and PLSC 206 or consent. Establishment, maintenance and adaptation of grasses for lawns, golf courses, parks, athletic and playing fields, and roadsides. Associating differential plant responses with soil, climatic, and biotic factors. 3 hr. lec. (Offered in fall of odd years).

AGRN 410. Soil Fertility. I. 3 Hr. PR: AGRN 202 and AGRN 203 and CHEM 116. Effect of soil chemical and physical properties on soil fertility; evaluation of essential and toxic nutrients and the controls on their availability; fertilizer and lime use; soil fertility evaluation. (3 hr. lec.)

AGRN 415. Soil Survey and Land Use. I. 3 Hr. PR: AGRN 125 or consent. Identification of morphological characteristics and taxonomic units of soil; techniques of writing soil pedon and mapping unit descriptions; techniques of preparing soil maps; evaluation of soil for land use planning. (2 hr. lec., 3 hr. lab.) (Offered fall of odd years)

AGRN 417. Soil Genesis and Classification. I. 4 Hr. PR: AGRN 125 or consent. Origin and formation of soils; principles of soil classification; study of soil pedons and polypedons; influence of soil-forming factors and processes. Two Saturday field trips required. (3 hr. lec., 3 hr. lab.) (Offered fall of even years.)

AGRN 420. Soil Microbiology. I. 3 Hr. PR: ENVM 341. Microbiology and biochemistry of the soil environment. Occurrence, distribution, ecology, and detection of micro-organisms in soil. (Offered in fall of even years. Also listed as ENVM 420 and ENVP 420.)

AGRN 425. Environmental Soil Management. I. 3 Hr. PR: AGRN 202 and AGRN 203. This course provides a foundation for utilizing creative solutions and technical knowledge in preserving and enhancing soil and water quality. Soil conservation, precision agriculture and nutrient management for protection of soil and water quality are covered. (Also listed as ENVP425.)

AGRN 430. Soil Physics. II. 3 Hr. PR: AGRN 202 and AGRN 203. Physical properties of soils; water and air relationships and their influence on soil productivity. (Offered in spring of even years.)

AGRN 451. Weed Control. I. 3 Hr. PR: PLSC 206 and AGRN 202 and AGRN 203 or consent. Fundamental principles of weed control. Recommended control measures for and identification of common weeds. 2 lec., 1 lab. (Offered in fall of odd years.) (Also listed as ENVP 451.)

AGRN 452. Grain and Special Crops. II. 3 Hr. PR: PLSC 206 and AGRN 202 and AGRN 203 or consent. Advances study of methods in the production of grain and special crops. Varieties, improvement, tillage, harvesting, storage, and use of crops grown for seed or special purposes. (Offered in spring of even years.)

AGRN 454. Forage Crops. I. 3 Hr. PR: PLSC 206, AGRN 202 and AGRN 203, or consent. All phases of forage crop science, including ecology, taxonomy, management practices used for the production of forage and seed, and forage composition, quality, and utilization. (3 hr. lec., 1 hr. lab.)

AGRN 455. Reclamation of Disturbed Soils. II. 3 Hr. PR: Junior standing or above. Principles of soil science, geology, hydrology, and engineering will be applied to surface mine planning, overburden handling during mining, soil replacement and amendments, revegetation practices, acid mine drainage control and treatment, hazardous wastes, and land management of disturbed areas. (Field trip required.) (Also listed as ENVP 455.)

AGRN 516. Soil Chemistry. I. 3 HR. PR: Consent. Chemistry of soil development chemical and mineralogical composition of soils; nature and properties of organic and inorganic soil colloids; cation and anion exchange phenomena; soil chemistry of macro and micro-nutrients. (Offered in fall of odd years.)

AGRN 525. Forage Harvesting and Storage. 3 HR. PR: AGRN 454, or consent. Advanced study of processes associated with harvesting and storage of forages. 3 HR. lec. (Offered in fall of odd years.)

AGRN 552. Pedology. II. 3 HR. PR: AGRN 417 or consent. Genesis and evolution of soils considered as natural bodies; including both macro- and micro-morphological properties. Saturday field trips required. 2 HR. lec., 1 HR. lab. (Offered in spring of odd years.)

AGRN 554. Pasture Management and Utilization. 3 HR. PR: AGRN 454 and ANNU 260, or consent. Advanced study of pastures and their management and utilization with emphasis on temperate species. 3 HR. lec. (Offered in spring of odd years.)

AGRN 574. Tropical Grasslands. 3 HR. PR: AGRN 454 and ANNU 260, or consent. Advanced study of tropical grasslands and their management and utilization in animal production. (Offered in fall of even years.)

AGRN 710. Soil Testing and Plant Analysis. II. 3 HR. PR: AGRN 710 and BIOL 350, or consent. Influence of soil chemical and physical properties on availability of plant nutrients; intensive study of individual plant nutrients and interactions of nutrients in soils and crops; and intensive study of methods used to test soils and analyze plants for nutrients and other metals. 2 lec. and 1 lab. (Offered in spring of even years.)

AGRN 732. Forage Chemistry and Quality. 3 HR. PR: ANNU 601 and AGRN 454, or consent. Advanced course in chemistry and biochemistry of pastures and forages, emphasizing factors affecting their quality and principles governing their utilization by herbivorous animals. (Also listed as ANNU 432.) (Offered in spring of even years.) (3HR. lec.)