• FACTORS INFLUENCING NUTRIENT AVAILABILITY IN THE SOIL
    AGRICULTURAL SCIENCE

    FACTORS INFLUENCING NUTRIENT AVAILABILITY IN THE SOIL

    The factors which influence the availability of nutrients in the soil include the following: a) Soil pH: The degree of acidity or alkalinity of the soil affects the availability of nutrients, both in the soil and also to plants. A low pH (high acidity) will encourage the disintegration of clay minerals like calcium, iron and aluminium, which are leached away from the soil. At high pH (high alkalinity), calcium and magnesium ions accumulate in the soil, and this affects the growth of plants. A low pH also reduces the activities of soil living organisms which aid the decomposition of organic matter.   b) Concentration of Other Nutrients The presence of…

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