GRADUATE SCHOOL BULLETIN 91

201b—ENTOMOLOGICAL PROBLEMS. A continuation of 201a.
3 credits; 2nd semester (Price)

AGRONOMY

105a—ADVANCED CROPS: FORAGE CROPS. A comprehensive
study of forage crops with special emphasis upon their production in
Kentucky. Recitations, 3 hours.
Prerequisites: Agronomy 11; 3 credits; 1st semester

Botany 1b. (Fergus)

105b—ADVANCED CROPS: TOBACCO AND CEREALS. Tobacco
and the important cereal crops are studied in considerable detail as
regards distribution, soil and climatic adaptation, and technique of
production. Recitations and lectures, 3 hours.
Prerequisite: Agronomy 11, 3 credits; 2nd semester

or equivalent; Botany 1b. (Kinney)

106—FIELD CROP IMPROVEMENT. A study of the principles
involved and the technique used in breeding field crop plants. Lec-
tures, 2 hours.
Prerequisites: Agronomy 11, 2 credits; 2nd semester

or equivalent; A. I. 19. (Kinney)

110—SOIL BIOLOGY. A study of the soil organisms and biological
soil processes in relation to soil productivity. Lectures, 1 hour; labora-
tory, 4 hours.
Prerequisites: Agronomy 4; 3 credits; 1st semester

Bact. 52 desirable. (Karraker)

112a-b—SPECIAL PROBLEMS IN SOILS. Study of some special
phase of the soil field, not covered in other courses, in which the stu-
dent is interested.
Prerequisites: Agronomy 4 3 credits; both semesters

and permission of instructors. (Roberts, Karraker)

113—AGRONOMY EXPERIMENTATION. A study of the essen-
tials of reliable field experimentation, including sources of error; a
study of field results with emphasis on interpretation. Lectures and
discussions, 3 hours.
Prerequisite: Agronomy 4. 3 credits; lst semester

(Roberts)

115—SOIL MANAGEMENT. Deals with erosion, soil moisture,
tillage operations, soil organic matter and nitrogen, including animal
and green manures, lime and fertilizers. Lectures, 3 hours.
Prerequisite: Agronomy 4. 3 credits; 1st semester
(Roberts)

116—TOBACCO. A course designed for students particularly in-
terested in the more practical phases of tobacco production and
grading. Laboratory periods are devoted entirely to practice in grad-

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