S

1

-

954

Agriculture (General)

560

-

572

Farm economics. Farm management

583

-

589

.6

Agricultural chemistry and physics

590

-

599

.9

Soils

604

.8

-

621

.5

Reclamation and irrigation of farm land

Including organic farming

622

-

627

Soil conservation

631

-

667

Fertilizers and soil improvement

671

-

760

.5

Farm machinery and engineering

900

-

954

Conservation of natural resources

For wildlife conservation, see QL ; for marine resources conservation, see SH ; for mineral resources conservation, see TN

950

-

954

Land conservation

SB

1

-

1110

Plant culture

107

-

109

Economic botany

110

-

112

Methods for special areas

Including dry-land and tropical agriculture, irrigation farming

113

.2

-

118

.45

Seeds

118

.48

-

118

.75

Nurseries. Nursery industry

119

-

124

Propagation

183

-

317

Field crops

317

.5

-

450

.87

Horticulture

320

-

353

.5

Vegetables

354

-

402

Fruit culture and orchard care

403

-

450

.87

Flowers. Ornamental plants

449

-

450

.87

Flower arrangement and decoration

450

.9

-

467

Gardens and gardening

469

-

476

.4

Landscape gardening

481

-

485

Parks and public reservations

599

-

990

.5

Diseases and pests

Including treatment and control

SD

1

-

668

Forestry

391

-

409

.5

Sylviculture

411

-

428

Conservation and protection

Including forest reserves

430

-

557

Exploitation and utilization

Including timber trees, logging, transportation, valuation

561

-

668

Forest policy and administration

SF

1

-

1100

Animal culture

91

-

92

Housing and environmental control. Equipment and supplies

95

-

99

Feeds and feeding. Animal nutrition

105

-

109

Breeds and breeding

Including artificial insemination, stock farms

114

-

121

Exhibitions. Judging. Stock shows

191

-

275

Cattle

221

-

275

Dairying. Dairy products

277

-

360

.3

Horses

Including horsemanship, racing

371

-

379

Sheep. Wool

380

-

388

Goats

391

-

397

.83

Swine

402

-

405

Fur-bearing animals

405

.5

-

407

Laboratory animals

411

-

459

Pets

460

-

513

Birds

Including cage birds, pigeons, poultry, game birds

518

-

562

Insects

Including bees, silkworm, cochineal

600

-

1100

Veterinary medicine

SH

1

-

691

Aquaculture. Fisheries. Angling

Including shellfish, lobsters, crabs, sealing, whaling

401

-

691

Angling

SK

1

-

579

Hunting

351

-

579

Wildlife management. Game protection