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  2. Diammonium phosphate - Wikipedia

    en.wikipedia.org/wiki/Diammonium_phosphate

    When applied as plant fertilizer, it temporarily increases the soil pH, but over a long term the treated ground becomes more acidic than before, upon nitrification of the ammonium. It is incompatible with alkaline chemicals because its ammonium ion is more likely to convert to ammonia in a high-pH environment. The average pH in solution is 7.5 ...

  3. Ammonium sulfate - Wikipedia

    en.wikipedia.org/wiki/Ammonium_sulfate

    The primary use of ammonium sulfate is as a fertilizer for alkaline soils.In the soil, the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil, while contributing essential nitrogen for plant growth.

  4. Soil pH - Wikipedia

    en.wikipedia.org/wiki/Soil_pH

    Then, using the initial soil pH and the aluminium content, the amount of lime needed to raise the pH to a desired level can be calculated. [68] Amendments other than agricultural lime that can be used to increase the pH of soil include wood ash, industrial calcium oxide , magnesium oxide, basic slag (calcium silicate), and oyster shells.

  5. Fertilizer - Wikipedia

    en.wikipedia.org/wiki/Fertilizer

    Soil acidification refers to the process by which the pH level of soil becomes more acidic over time. Soil pH is a measure of the soil's acidity or alkalinity and is determined on a scale from 0 to 14, with 7 being neutral. A pH value below 7 indicates acidic soil, while a pH value above 7 indicates alkaline or basic soil.

  6. Superphosphate - Wikipedia

    en.wikipedia.org/wiki/Superphosphate

    This necessitates careful monitoring and management of soil pH to prevent long-term soil degradation. [ 15 ] Production and transport produce significant quantities of CO 2 amounting in some estimates to 1.2kg/kg for the manufacture of superphosphate and 238 g/kg for transport. [ 16 ]

  7. N-(n-Butyl)thiophosphoric triamide - Wikipedia

    en.wikipedia.org/wiki/N-(n-butyl)thiophosphoric...

    N-(n-Butyl)thiophosphoric triamide (NBPT) is the organophosphorus compound with the formula SP(NH 2) 2 (NHC 4 H 9).It is an amide of thiophosphoric acid.A white solid, NBPT is an "enhanced efficiency fertilizer", intended to limit the release of nitrogen-containing gases following fertilization. [1]

  8. Agricultural lime - Wikipedia

    en.wikipedia.org/wiki/Agricultural_lime

    The best way to determine if the soil is acidic or deficient in calcium or magnesium is with a soil test which a university can provide with an agricultural education department for under $30.00 for United States residents. [8] Farmers typically become interested in soil testing when they notice a decrease in crop response to applied fertilizer.

  9. Biofertilizer - Wikipedia

    en.wikipedia.org/wiki/Biofertilizer

    Extensive use of agrochemicals in agricultural practices has been found to cause environmental disturbances and public health hazards affecting food security and sustainability in agriculture. [22] Biofertilizers offers an alternative solution for such agrochemicals, and show yield increase of up to about 10–40% by increasing protein contents ...

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