• AQUACULTURE
    AGRICULTURAL SCIENCE

    AQUACULTURE

    Aquaculture is the act of rearing selected species of fish, shrimbs , crabs, etc under scientifically-controlled conditions in enclosed bodies of water such as ponds, streams and rivers where they feed, grow, breed and are harvested for consumption or for sale.   TYPES OF AQUACULTURE The different types of aquaculture are: Fish farming. Shrimp farming. Crab farming.   DEFINITION OF FISH FARMING Fish farming (culture) is the act of rearing selected species of fish under scientifically controlled conditions in enclosed bodies of water such as ponds, streams, rivers, etc ., where they feed, grow, breed and are harvested for consumption or for sale.   Terms Associated with Fish Farming Fingerlings:…

  • EFFECTS OF SOME FARMING PRACTICES ON THE SOIL
    AGRICULTURAL SCIENCE

    EFFECTS OF SOME FARMING PRACTICES ON THE SOIL

    FARMING PRACTICES The following farming practices by farmers have various consequences or effects on the soil. a) Bush Burning: This involves the setting of fire on the bush to clear out the vegetation.   Merits It releases minerals like potassium and phosphorus to the soil in form of ash. Burning has some sterilizing effects on the soil. It stimulates the growth of fresh grasses, especially during dry season. It also destroys soil-borne pathogens or germs. It destroys the seeds of weeds.   Demerits It destroys the organic matter content of the soil. It reduces the population of soil living organisms. It oxidises nitrogen and sulphur into their gaseous forms, thus…

  • PASTORAL AND NOMADIC FARMING
    AGRICULTURAL SCIENCE

    PASTORAL AND NOMADIC FARMING

    Pastoral farming: This is a system of farming whereby grazing animals such as cattle, sheep and goats are kept. The farmer who is known as the herdsman may manage his animals by moving them from one place to another, in search of fresh grazing area (nomadic herding) or by settling them in an organised place (ranch), where they are properly cared for and provided for. During the movement period, the animals are often exposed to a lot of danger such as sustaining injuries, pests and disease attacks, etc.   Nomadic farming: This is essentially the movement of the herdsman and his flock from one place to another, in search of…

  • PASTORAL FARMING IN WEST AND EAST AFRICA
    REGIONAL GEOGRAPHY

    PASTORAL FARMING IN WEST AND EAST AFRICA

    Pastoral farming is defined as the system of farming in which livestock animals like cattle, sheep and goats are reared either for food or for sale.   TYPES OF PASTORAL FARMING There are two types of pastoral farming. These are: Pastoral nomadism: In this type, the cattle with their owners move from place to place in search of pasture (grasses) and water e.g. movement of cattle north or south during certain seasons in Nigeria. Transhumance: This is the movement of cattle with their owners from lowlands or valley during the rainy season to the highlands and vice versa during the dry season in search of pasture and water.   FACTORS…

  • FRUIT FARMING IN THE MEDITERRANEAN REGIONS OF AFRICA
    REGIONAL GEOGRAPHY

    FRUIT FARMING IN THE MEDITERRANEAN REGIONS OF AFRICA

    Fruit farming is defined as the type of farming in which farmers cultivate mainly fruit crops either for domestic, industrial or commercial purposes. It is regarded as Orchard farming.   MAJOR AREAS OF FRUIT FARMING In North-West Africa: The areas include Tunisia, Algeria, Libya and Morocco. In South Africa: The areas are mainly around Cape Town, Natal and Orange Free State.   FACTORS FAVOURABLE TO FRUIT FARMING The presence of Mediterranean climate favours fruit farming in the regions. Presence of a bright, sunny weather with hot, dry summers and wet winters. Presence of a dry warm summer temperature of 21 degrees Celsius – 27 degrees Celsius. Abundance of rainfall in…

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