A

AGRICULTURE IN GENERAL

A01

Agriculture - General aspects

A50

Agricultural research

B

GEOGRAPHY AND HISTORY

B10

Geography

B50

History

C

EDUCATION, EXTENSION AND INFORMATION

C10

Education

C20

Extension

C30

Documentation and information

D

ADMINISTRATION AND LEGISLATION

D10

Public administration

D50

Legislation

E

ECONOMICS, DEVELOPMENT AND RURAL SOCIOLOGY

E10

Agricultural economics and policies

E11

Land economics and policies

E12

Labour and employment

E13

Investment, finances and credit

E14

Development economics and policies

E16

Production economics

E20

Organisation, administration and management of agricultural enterprises or farms

E21

Agro-industry

E40

Cooperatives

E50

Rural sociology and social security

E51

Rural population

E70

Trade, marketing and distribution

E71

International trade

E72

Domestic trade

E73

Consumer economics

E80

Home economics, industries and crafts

E90

Agrarian structure

F

PLANT SCIENCE AND PRODUCTION

F01

Crop husbandry

F02

Plant propagation

F03

Seed production and processing

F04

Fertilising

F06

Irrigation

F07

Soil cultivation

F08

Cropping patterns and systems

F30

Plant genetics and breeding

F40

Plant ecology

F50

Plant structure

F60

Plant physiology and biochemistry

F61

Plant physiology - Nutrition

F62

Plant physiology - Growth and development

F63

Plant physiology - Reproduction

F70

Plant taxonomy and geography

H

PLANT PROTECTION

H01

Protection of plant - General aspects

H10

Pests of plants

H20

Plant diseases

H50

Miscellaneous plant disorders

H60

Weeds and weed control

J

POSTHARVEST TECHNOLOGY

J10

Handling, transport, storage and protection of agricultural products

J11

Handling, transport, storage and protection of plant products

J12

Handling, transport, storage and protection of forest products

J13

Handling, transport, storage and protection of animal products

J14

Handling, transport, storage and protection of fisheries and agricultural products

J15

Handling, transport, storage and protection of non-food or non-feed agricultural products

K

FORESTRY

K01

Forestry - General aspects

K10

Forestry production

K11

Forest engineering

K50

Processing of forest products

K70

Forest injuries and protection

L

ANIMAL SCIENCE, PRODUCTION AND PROTECTION

L01

Animal husbandry

L02

Animal feeding

L10

Animal genetics and breeding

L20

Animal ecology

L40

Animal structure

L50

Animal physiology and biochemistry

L51

Animal physiology - Nutrition

L52

Animal physiology - Growth and development

L53

Animal physiology - Reproduction

L60

Animal taxonomy and geography

L70

Veterinary science and hygiene - General aspects

L72

Pests of animals

L73

Animal diseases

L74

Miscellaneous animal disorders

M

FISHERIES AND AQUACULTURE

M01

Fisheries and aquaculture - General aspects

M11

Fisheries production

M12

Aquaculture production

M40

Aquatic ecology

N

AGRICULTURAL MACHINERY AND ENGINEERING

N01

Agricultural engineering

N02

Farm layout

N10

Agricultural structures

N20

Agricultural machinery and equipment

P

NATURAL RESOURCES AND ENVIRONMENT

P01

Nature conservation and land resources

P05

Energy resources management

P06

Renewable energy resources

P07

Non-renewable energy resources

P10

Water resources and management

P11

Drainage

P30

Soil science and management

P31

Soil surveys and mapping

P32

Soil classification and genesis

P33

Soil chemistry and physics

P34

Soil biology

P35

Soil fertility

P36

Soil erosion, conservation and reclamation

P40

Meteorology and climatology

Q

PROCESSING OF AGRICULTURAL PRODUCTS

Q01

Food science and technology

Q02

Food processing and preservation

Q03

Food contamination and toxicology

Q04

Food composition

Q05

Food additives

Q51

Feed technology

Q52

Feed processing and preservation

Q53

Feed contamination and toxicology

Q54

Feed composition

Q60

Processing of non-food or non-feed agricultural products

Q70

Processing of agricultural wastes

Q80

Packaging

S

HUMAN NUTRITION

S01

Human nutrition - General aspects

S20

Physiology of human nutrition

S30

Diet and diet-related diseases

S40

Nutrition programmes

T

POLLUTION

T01

Pollution

T10

Occupational diseases and hazards

U

METHODOLOGY

U10

Mathematical and statistical methods

U30

Research methods

U40

Surveying methods