Agricultural Science NECO Syllabus

Below is the 2026 NECO Agricultural Science Syllabus for both internal and external candidates.

Aims and Objectives

The syllabus is designed to enable candidates to:

• acquire basic knowledge and practical skills in agriculture.

• understand the importance of agriculture in national development.

• develop interest in agricultural production and agribusiness.

• apply scientific principles to crop and animal production.

• understand modern agricultural practices and technologies.

• appreciate the need for environmental conservation and sustainable agriculture.

• develop problem-solving and entrepreneurial skills in agriculture.

• prepare for further studies and careers in agriculture and related fields.

Scheme of Examination

There will be three papers, Paper I, Paper II, and Paper III, all of which must be taken.

Paper I

Will consist of fifty multiple-choice objective questions covering all aspects of the syllabus.

Duration: 1 hour
Marks: 50

Paper II

Will consist of essay and structured questions.

Candidates will be required to answer questions from different sections of the syllabus.

Duration: 2 hours
Marks: 100

Paper III

Will consist of practical agricultural science questions or practical test alternatives where applicable.

Duration: 1 hour 30 minutes
Marks: 50

Detailed Agricultural Science Syllabus

INTRODUCTION TO AGRICULTURE

Meaning and Importance of Agriculture

• Definition of agriculture

• Branches of agriculture

• Importance of agriculture to individuals and the nation

Agricultural Development in Nigeria

• Historical development

• Contributions to the economy

AGRICULTURAL ECOLOGY

Meaning of Ecology

• Ecosystem

• Components of an ecosystem

Environmental Factors Affecting Agriculture

• Climatic factors

• Edaphic factors

• Biotic factors

Ecological Zones of Nigeria

• Forest zone

• Guinea savanna

• Sudan savanna

• Sahel savanna

AGRICULTURAL ENGINEERING

Farm Tools and Implements

• Cutlass

• Hoe

• Rake

• Shovel

• Spade

• Wheelbarrow

Farm Machinery

• Tractor

• Plough

• Harrow

• Ridger

• Planter

• Harvester

Maintenance of Farm Tools and Machinery

• Cleaning

• Oiling

• Proper storage

SOIL SCIENCE

Soil Formation

• Weathering

• Parent materials

Soil Profile

• Soil horizons

• Characteristics of soil layers

Physical Properties of Soil

• Texture

• Structure

• Porosity

• Permeability

Chemical Properties of Soil

• Soil pH

• Soil nutrients

Soil Fertility

• Organic manure

• Inorganic fertilizers

Soil Conservation

• Mulching

• Crop rotation

• Contour farming

• Terracing

LAND PREPARATION AND CULTIVATION

Methods of Land Preparation

• Clearing

• Stumping

• Tilling

Tillage Practices

• Primary tillage

• Secondary tillage

CROP PRODUCTION

Classification of Crops

• Cereals

• Legumes

• Root and tuber crops

• Vegetables

• Fruits

• Plantation crops

Crop Husbandry

Cereals

• Maize

• Rice

• Sorghum

• Millet

Legumes

• Cowpea

• Groundnut

• Soybean

Root and Tuber Crops

• Cassava

• Yam

• Cocoyam

• Sweet potato

Cash Crops

• Cocoa

• Oil palm

• Rubber

• Cotton

Crop Improvement

• Plant breeding

• Selection methods

• Hybridization

WEEDS

Meaning of Weeds

Classification of Weeds

• Broad-leaved weeds

• Grasses

• Sedges

Weed Control Methods

• Mechanical control

• Cultural control

• Biological control

• Chemical control

CROP PESTS AND DISEASES

Crop Pests

• Insects

• Rodents

• Birds

Effects of Pests

• Yield reduction

• Crop damage

Pest Control

• Cultural methods

• Biological methods

• Chemical methods

Crop Diseases

• Fungal diseases

• Bacterial diseases

• Viral diseases

Disease Control Measures

• Resistant varieties

• Crop rotation

• Fungicides

ANIMAL PRODUCTION

Farm Animals

• Cattle

• Sheep

• Goats

• Rabbits

• Poultry

• Pigs

Breeds and Characteristics

• Identification of common breeds

Animal Nutrition

• Feed nutrients

• Balanced ration

• Feed formulation

Livestock Management

• Housing systems

• Feeding systems

• Health management

ANIMAL HEALTH

Livestock Diseases

• Causes of diseases

• Symptoms

Common Livestock Diseases

• Anthrax

• Trypanosomiasis

• Foot and Mouth Disease

• Newcastle Disease

Disease Prevention and Control

• Vaccination

• Sanitation

• Quarantine

ANIMAL IMPROVEMENT

Methods of Animal Improvement

• Selection

• Breeding

• Crossbreeding

• Artificial insemination

FISHERIES

Meaning and Importance of Fisheries

Types of Fisheries

• Capture fisheries

• Fish farming

Fish Culture

• Pond construction

• Pond management

• Harvesting

FORESTRY

Meaning and Importance of Forestry

Forest Resources

• Timber

• Wildlife

Forest Conservation

• Afforestation

• Reforestation

AGRICULTURAL ECONOMICS

Basic Economic Principles

• Demand

• Supply

• Market

Farm Records and Accounts

• Farm inventory

• Income and expenditure accounts

• Profit and loss accounts

Farm Management

• Decision making

• Resource allocation

AGRICULTURAL EXTENSION

Meaning of Agricultural Extension

Functions of Extension Services

• Farmer education

• Technology transfer

Extension Methods

• Demonstration

• Farm visits

• Mass media

AGRICULTURAL FINANCE

Sources of Agricultural Finance

• Personal savings

• Cooperative societies

• Commercial banks

• Agricultural banks

Agricultural Insurance

• Importance

• Types

AGRICULTURAL MARKETING

Meaning of Agricultural Marketing

Marketing Functions

• Transportation

• Storage

• Processing

• Distribution

Problems of Agricultural Marketing

• Poor transportation

• Price fluctuations

PRACTICAL AGRICULTURAL SCIENCE

Identification of Specimens

• Crops

• Weeds

• Farm tools

• Livestock feeds

• Agricultural products

Practical Activities

• Soil testing

• Crop planting

• Animal management

• Record keeping

Key Areas Frequently Tested in NECO Agricultural Science

• Agricultural Ecology

• Soil Science

• Farm Tools and Machinery

• Crop Production

• Weeds

• Crop Pests and Diseases

• Animal Production

• Animal Nutrition

• Livestock Diseases

• Fisheries

• Forestry

• Agricultural Economics

• Farm Records

• Agricultural Extension

• Agricultural Marketing

• Practical Agricultural Science

These topics form the core of the NECO Agricultural Science examination and usually account for the majority of objective, theory, and practical questions. Students should focus on understanding agricultural concepts, identifying specimens, mastering practical activities, and solving past questions regularly to achieve excellent results in the examination.