CATALOG 1952-1953


 SLS. 302.-Soil Fertility. 2 hours and 2 hours laoorarory. 3 credits. Pre-
requisite: SLS. 301. Offered 1, 2, 3.
 General principles of soil fertility. The physical, chemical and biological factors
affecting soil fertility and crop production. Studies on samples of soil from the home
farm; commerical fertilizers, manures, green manures and organic matter maintenance,
crop rotations and permanent soil fertility. Soil Science, Weir.
 SLS. 304.-Soil Surveying. 1 hour and 4 hours laboratory. 3 credits.
Prerequisite: SLS. 301. Offered 2.
 Methods of the soil survey, soil maps and survey reports. Sampling the soil profile
and studying soil type characteristics. Detailed survey and mapping of an assigned area.
Comprehensive study of Florida's soils.
 SLS. 400.-Tropical Soils. 2 hours. 2 credits. Prerequisite: SLS. 302.
Offered 1.
 The nature and properties of tropical soils; their genesis, morphology, classification,
fertility, conservation and utilization. A comprehensive study of the literature on tropical
soil management.
 SLS. 401.-Soil Morphology and Classification. 2 hours and 2 hours
laboratory. 3 credits. Prerequisite: SLS. 301. Offered 1.
 Soil genesis, morphology and classification of the important soils of Florida and of
the United States in relation to their proper management as land surface units. Soils:
Their Origin, Constitution and Classification, Robinson.
 SLS. 402.-Advanced Soil Fertility. 2 hours and 2 hours laboratory. 3
credits. Prerequisite: SLS. 302 and ACY. 203 or CY. 123. Offered 1, 2, 3.
 Soil and plant relationships especially from the standpoint of normal growth under
field conditions. Composition and properties of soils in relation to plant nutrition. The
fundamental relationships of factors affecting plant growth including water and air
supply, microbial activity and organic matter, soil colloids, cation exchange, acidity and
liming, and supply of primary, secondary and minor plant nutrients. Soil Conditions and
Plant Growth, Russell.
 SLS. 405.-Soil Microbiology. 2 hours and 2 hours laboratory. 3 credits.
Prerequisites or corequisites: SLS. 302 and BCY. 301. Offered 1.
 Occurrence and activities of soil microorganisms and their influence on soil fertility.
The Soil and the Microbe, Waksman and Starkey.
 SLS. 406.-Soils and Fertilizers. 2 hours and 2 hours laboratory. 3 credits.
Prerequisite: SLS. 302. Offered 1, 2, 3.
 The use of commercial fertilizers with reference to their effects on soils, methods of
application and crop response. The development, growth and manufacture of commer-
cial fertilizers. Laboratory work will consist of mixing and applying fertilizers and visits
to fertilizer plants where the student will observe commercial practices in mixing and
handling. Commercial Fertilizers, Colings.
 SLS. 408.-Soil and Water Conservation. Identical with AG. 408. 2 hours,
and 2 hours laboratory. 3 credits. Prerequisites: SLS. 301, AG. 301. Prerequi-
site or corequisite: SLS. 302. Offered 2.
 The social and economic aspects of soil deterioration. Principles involved in soil
conservation, and methods of control as applied to Florida, will be carefully developed.
Given jointly with the Department of Agricultural Engineering. Soil Erosion and Its
Control, Ayers and Soil Conservation, Gustafson.



The statement "Offered 1" means offered first semester; 2, second semester; 3, summer session.