DISEASES OF CROPS

MEANING AND CAUSES OF DISEASE A crop is a plant cultivated by man for a specific purpose. A plant disease is a deviation of the plant from the normal state of health, presenting outward visible signs. Diseases are caused by…
Lesson Notes, Audio Lessons, Exam Questions
Lesson Notes, Audio Lessons, Exam Questions
Welcome to the Agricultural Science section for all classes — JSS 1 to SS 3!
We offer comprehensive notes, video lessons, quizzes, and practice tests based on the BECE, WAEC, and NECO syllabus.
Whether you’re just starting in Junior Secondary School or preparing for your final exams in Senior Secondary School, our resources simplify topics, explain concepts clearly, and build your understanding of agriculture in a real-world context.
Topics covered include:
Boost your knowledge, improve your grades, and confidently prepare for your national exams with our expertly structured materials!

MEANING AND CAUSES OF DISEASE A crop is a plant cultivated by man for a specific purpose. A plant disease is a deviation of the plant from the normal state of health, presenting outward visible signs. Diseases are caused by…

Floriculture is a discipline of horticulture that is concerned with the production and management of ornamental plants. Ornamental plants are beautiful trees or shrubs which can be used to decorate our environments. IMPORTANCE OF ORNAMENTAL PLANTS COMMON SPECIES OF ORNAMENTAL…

Forest can be defined as a large area of land covered with trees and bushes, either growing wild or planted for some purposes which serves as habitat to various kinds of animals. Forestry is the management of forest and forest…

Pasture: This is a piece of land on which forage crops grow. Forage Crops: These are plants cultivated (or growing naturally) whose vegetative parts (leaves and stems) are fed on by livestock. USES OF FORAGE CROPS TYPES OF PASTURES CHARACTERISTICS…

LIVESTOCK PARASITES A parasite is an organism that lives in or on another organism, where it derives its nourishment without the host gaining anything from the association. FORMS OF PARASITES LIFE CYCLES OF ENDOPARASITES TAPEWORM A tapeworm is composed of…

Learn about animal protozoan diseases including their symptoms, transmission methods, harmful effects, and effective preventive and curative control measures

Learn about common animal fungal diseases, their symptoms, modes of transmission, effects on livestock and pets, and effective preventive and curative control methods.

Anthrax
Brucellosis
Tuberculosis
Pullorum Disease
Fowl Typhoid
Fowl Cholera

Learn the causes, symptoms, transmission, effects, prevention, and treatment of major animal viral diseases

LIVESTOCK DISEASES Diseases in animals mean any condition in which there is deviation from the normal state of health or when there is any interference with the body processes, which will cause its body to not function in a normal…

MEANING OF AGRICULTURAL MARKETING These refer to all the activities required or involved in moving farm produce from the producers to the final consumers. Production is not complete without consumption, and marketing is what makes it happen. IMPORTANCE OF AGRICULTURAL…

Learn the difference between annual, biennial, and perennial plants, including life cycles, examples, and seasonal growth habits.

Aquatic plants are plants that have adapted to living in aquatic environments (saltwater or freshwater). They are also referred to as hydrophytes or macrophytes . These plants require special adaptations for living submerged in water or at the water’s surface.…

A plant is made up of many different parts. The three main parts are: the roots, the leaves, and the stem. Each part has a set of jobs to do to keep the plant healthy. The roots absorb water and…

Agriculture is defined as the cultivation of the land to produce crops and the rearing of animals for man’s use. Agriculture has many branches. The form of agriculture practised in an area depends on the size of the farm, purpose,…

Discover the key importance of agriculture to man and the nation, including food, clothing, shelter, job creation, raw materials, and national revenue.

What is Agriculture? Agriculture means all the activities involved in the rearing of animals and the cultivation of crops for men and the nation. The word agriculture was derived from two Latin words, which are ‘agar’ and ‘cultus’, meaning ‘land’…

Mixed Farming This is an agricultural system in which a farmer conducts different agricultural practices together, such as cash crops and livestock. The aim is to increase income through different sources and to complement land and labour demands across the…

Cultural practices involve all the essential activities carried out on the farm before, during, and after planting crops. These practices are crucial for ensuring optimal growth, high yield, and healthy crops. They are broadly grouped into three major categories: 1.…

Farm Structures: They are simple erections on the farm site which make farm operations easier and more efficient. Farm structures are common agricultural structures associated with agricultural use, such as growing and harvesting crops, and raising livestock. These structures may…