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  2. Ammonia volatilization from urea - Wikipedia

    en.wikipedia.org/wiki/Ammonia_volatilization...

    The soil's pH also has a strong effect on the amount of volatilization. Specifically, highly alkaline soils (pH~8.2 or higher) have proven to increase urea hydrolysis. One study has shown complete hydrolysis of urea within two days of application on such soils. In acidic soils (pH 5.2) the urea took twice as long to hydrolyze. [7]

  3. Soil acidification - Wikipedia

    en.wikipedia.org/wiki/Soil_acidification

    Soil acidification is the buildup of hydrogen cations, which reduces the soil pH. Chemically, this happens when a proton donor gets added to the soil. The donor can be an acid, such as nitric acid, sulfuric acid, or carbonic acid. It can also be a compound such as aluminium sulfate, which reacts in the soil to

  4. Alkali soil - Wikipedia

    en.wikipedia.org/wiki/Alkali_soil

    Spent acid (HCl, H 2 SO 4, etc.) can also be used to reduce the excess Na 2 CO 3 in the soil/water. Where urea is made available cheaply to farmers, it is also used to reduce the soil alkalinity / salinity primarily. [11] The ammonium (NH + 4) cation produced by urea hydrolysis which is a strongly sorbing cation exchanges with the weakly ...

  5. Reuse of human excreta - Wikipedia

    en.wikipedia.org/wiki/Reuse_of_human_excreta

    The dilution also helps to reduce odor development following application. When diluted with water (at a 1:5 ratio for container-grown annual crops with fresh growing medium each season or a 1:8 ratio for more general use), it can be applied directly to soil as a fertilizer.

  6. Soil conservation - Wikipedia

    en.wikipedia.org/wiki/Soil_conservation

    The use of pesticides can contaminate the soil, and nearby vegetation and water sources for a long time. They affect soil structure and (biotic and abiotic) composition. [9] [10] Differentiated taxation schemes are among the options investigated in the academic literature to reducing their use. [11

  7. Selective catalytic reduction - Wikipedia

    en.wikipedia.org/wiki/Selective_catalytic_reduction

    Like the various types of catalysts, their configuration also has advantages and disadvantages. Plate-type catalysts have lower pressure drops and are less susceptible to plugging and fouling than the honeycomb types, but are much larger and more expensive. Honeycomb configurations are smaller than plate types, but have higher pressure drops ...

  8. Biofertilizer - Wikipedia

    en.wikipedia.org/wiki/Biofertilizer

    Through the use of biofertilizers, healthy plants can be grown, while enhancing the sustainability and the health of the soil. Biofertilizers can be expected to reduce the use of synthetic fertilizers and pesticides, but they are not yet able to replace their use. As of 2024, more than 340 biofertilizer products have been approved for ...

  9. Your Thanksgiving Turkey Will Be Cheaper This Year - AOL

    www.aol.com/news/thanksgiving-turkey-cheaper...

    The turkey contributes to the decline in the current cost of the average Thanksgiving meal—which though lower, still remains more elevated than pre-pandemic levels. For 2024, the cost for a ...