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  2. Soil pH - Wikipedia

    en.wikipedia.org/wiki/Soil_pH

    The soil pH usually increases when the total alkalinity increases, but the balance of the added cations also has a marked effect on the soil pH. For example, increasing the amount of sodium in an alkaline soil tends to induce dissolution of calcium carbonate, which increases the pH.

  3. Alkali soil - Wikipedia

    en.wikipedia.org/wiki/Alkali_soil

    Clay soils in high annual rain fall (more than 100 cm) areas do not generally suffer from high alkalinity as the rain water runoff is able to reduce/leach the soil salts to comfortable levels if proper rainwater harvesting methods are followed. In some agricultural areas, the use of subsurface "tile lines" are used to facilitate drainage and ...

  4. Acid neutralizing capacity - Wikipedia

    en.wikipedia.org/wiki/Acid_neutralizing_capacity

    Acid-neutralizing capacity or ANC in short is a measure for the overall buffering capacity against acidification of a solution, e.g. surface water or soil water.. ANC is defined as the difference between cations of strong bases and anions of strong acids (see below), or dynamically as the amount of acid needed to change the pH value from the sample's value to a chosen different value. [1]

  5. Alkalinity - Wikipedia

    en.wikipedia.org/wiki/Alkalinity

    The lower the pH, the higher the concentration of bicarbonate will be. This shows how a lower pH can lead to higher alkalinity if the amount of bicarbonate produced is greater than the amount of H + remaining after the reaction. This is the case since the amount of acid in the rainwater is low.

  6. Agricultural lime - Wikipedia

    en.wikipedia.org/wiki/Agricultural_lime

    Some effects of agricultural lime on soil are: it increases the pH of acidic soil, reducing soil acidity and increasing alkalinity [1] it provides a source of calcium for plants; it improves water penetration for acidic soils; it improves the uptake of major plant nutrients (nitrogen, phosphorus, and potassium) of plants growing on acid soils. [2]

  7. Soil acidification - Wikipedia

    en.wikipedia.org/wiki/Soil_acidification

    In the soil, acidification reduces microbial and macrofaunal diversity. [31] This can reduce soil structure decline which makes it more sensitive to erosion. There are less nutrients available in the soil, larger impact of toxic elements to plants, and consequences to soil biological functions (such as nitrogen fixation). [32]

  8. Residual sodium carbonate index - Wikipedia

    en.wikipedia.org/wiki/Residual_Sodium_Carbonate...

    The residual sodium carbonate (RSC) index of irrigation water or soil water is used to indicate the alkalinity hazard for soil. The RSC index is used to find the suitability of the water for irrigation in clay soils which have a high cation exchange capacity.

  9. Soil regeneration - Wikipedia

    en.wikipedia.org/wiki/Soil_regeneration

    The current conditions of the soil will determine which type of amendment and how much to use. [3] Inorganic amendments are generally used for things like improving the texture and structure of the soil, balancing the pH, and limiting the bioavailability of heavy metal toxins. [3] There are two types of inorganic amendments: alkaline and mineral.