• 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…

  • MEANING AND ORIGIN OF LEGITIMATE TRADE
    ECONOMIC HISTORY

    MEANING AND ORIGIN OF LEGITIMATE TRADE

    The term, “legitimate trade” refers to the trade in commodities between Africans and the European merchants immediately after the abolition of slave trade. It was a trade where African raw materials, especially cash crops were exchanged for European goods. Such commodities included palm produce, rubber, cotton, skin, cocoa and gun. These produce were in high demand in Europe as a result of the industrial revolution. However, some Africans and others had questioned the idea of legitimacy given to this type of trade. This was because to refer to it as legitimate was to hide the truth that by the time of its introduction, Europe was more in need of raw…

  • EFFECTS OF RUNNING WATER
    PHYSICAL GEOGRAPHY

    EFFECTS OF RUNNING WATER

    Running water can be defined as the natural movement of water in a certain direction. Running water is one of the most important agents of denudation. Rivers are involved in erosion, transportation and deposition of materials.   RIVER A river can be defined as a large natural stream of water flowing in a channel to the sea, a lake or another such stream.   VELOCITY OF A RIVER The velocity of a river refers to the rate of water movement, often measured in metres per second. River velocity is determined by the efficiency of the river in overcoming friction with the bed and banks.   TERMS ASSOCIATED WITH RIVERS Source…

error: Content is protected !!