NATURAL RESOURCES IN NIGERIA AND THEIR ROLES Definition of natural resources: Natural resources can be defined as the materials nature provides and are necessary for the production of human wants or needs. They are usually associated with land. Examples are the minerals in die soil and vegetation. hh Roles of Natural Resources in Nigeria Natural …
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PEST AND DISEASES OF MAIZE pests of Maize (1) Stem borers: The larvae bore holes into young stems and destroy the tissue, leading to low yield or death of the plant. Control a Spray with insecticides like vetox 85, and practice crop rotation. (2) Grasshoppers: They eat up the leaves and other soft vegetative parts …
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RESPIRATORY SYSTEM Respiratory system includes all the organs and tissues associated with the exchange of gases between an animal and its environment, leading to the release of energy in the ecosystem. purpose of respiration The purpose of respiration is to supply oxygen to the cells which oxidize or bum down the food to release energy. …
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POULTRY Meaning Poultry refers to group of birds reared for food and other purposes. These include domestic fowl, turkey, goose, guinea fowl and duck. These birds are reared mainly for meat, egg and manure. They are non-ruminants. Terms used in Poultry Cock Male fowl above one year of age Cockerel Male fowl below one year …
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SYSTEMS OF REARING PIGS There are three systems of rearing pigs. These are Extensive, Semi-intensive and Intensive systems. (1) Extensive system: In this system, pigs are allowed to roam about and fend themselves. This system has little or no capital investment and the cost of production is low. However disease incidence of worm infestations are …
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