Agriculture is a very broad field. Its major branches include:
| Branch | What It Studies | Importance |
| Agronomy | Field crops and their production | Improves crop yield and sustainable production |
| Horticulture | Fruits, vegetables, flowers and ornamental plants | Supports nutritious food and high-value crops |
| Soil Science | Soil properties, fertility and management | Maintains healthy and productive soils |
| Animal Science | Livestock production, nutrition and breeding | Supports meat, milk, eggs and other animal products |
| Plant Breeding & Genetics | Development and improvement of crop varieties | Produces better and more resilient crops |
| Plant Pathology | Plant diseases and their management | Reduces crop losses caused by diseases |
| Entomology | Insects and their relationships with agriculture | Helps manage crop pests and beneficial insects |
| Agricultural Engineering | Machinery, irrigation, structures and technology | Improves farming efficiency |
| Agricultural Economics | Economics of farming and food systems | Supports better production and business decisions |
| Â Agribusiness | Business and management of agricultural products | Connects farms with markets and consumers |
| Â Agricultural Extension | Transfer of agricultural knowledge to farmers | Helps farmers adopt improved practices |
| Â Agricultural Biotechnology | Biological and molecular technologies in agriculture | Supports crop and livestock improvement |
| Â Forestry | Forests and tree resources | Supports conservation and sustainable forest use |
| Â Fisheries & Aquaculture | Fish and other aquatic food production | Provides food, employment and income |
| Â Food Science & Technology | Processing, quality, safety and preservation of food | Reduces food loss and improves food safety |
| Â Seed Science | Seed production, quality and storage | Provides quality planting materials |
| Â Weed Science | Weeds and their management | Reduces competition and crop losses |
| Â Agroforestry | Integration of trees with crops and/or livestock | Improves sustainability and biodiversity |
| Â Organic Agriculture | Farming with ecological and organic approaches | Supports sustainable production systems |
| Â Precision Agriculture | Use of data, sensors, GPS and digital technology | Improves input efficiency and farm management |
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