QK - Botany
S 1-972 - Agriculture (General)
SB 1-111 - Culture (General)
SB 317.5-319.864 - Horticultural Crops
SB 354-402 - Fruits and Fruit Culture
SB 403-450.87 - Flower & Flower Culture, Ornamental Plants
SB 450.9-467.8 - Gardens and Gardening
SB 469-476.4 - Landscape Gardening. Landscape Architecture
SB 599-990.5 - Pests and Diseases