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  2. Nitrogen and Non-Protein Nitrogen's effects on Agriculture

    en.wikipedia.org/wiki/Nitrogen_and_Non-Protein...

    Nitrogen leaching occurs when nitrogen compounds, primarily nitrates, move through the soil profile and enter groundwater, potentially contaminating drinking water sources. [2] To mitigate these environmental impacts, various nitrogen management strategies are employed in agriculture.

  3. Suryaraya Andhra Nighantuvu - Wikipedia

    en.wikipedia.org/wiki/Suryaraya_Andhra_Nighantuvu

    Sri Suryaraya Andhra Nighantuvu is a Telugu language dictionary. It is the most comprehensive monolingual Telugu dictionary. [1] It was published in eight volumes between 1936 and 1974. [2] [3] It was named after Rao Venkata Kumara Mahipati Surya Rau, the zamindar of Pitapuram Estate who sponsored the first four volumes of the dictionary. [4] [5]

  4. Plant nutrients in soil - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrients_in_soil

    Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...

  5. Biofertilizer - Wikipedia

    en.wikipedia.org/wiki/Biofertilizer

    Anabaena, in association with the water fern Azolla, can contribute nitrogen up to 60 kg/ha/season and can also enrich soils with organic matter. [ 3 ] [ 4 ] Seaweeds are rich in various types of mineral elements (potassium, phosphorus, trace elements, etc.), hence they are extensively used as a form of manure replacement by people of coastal ...

  6. Agricultural microbiology - Wikipedia

    en.wikipedia.org/wiki/Agricultural_microbiology

    Nitrogen is an essential element needed for the creation of biomass and is usually seen as a limiting nutrient in agricultural systems. Though abundant in the atmosphere, the atmospheric form of nitrogen cannot be utilized by plants and must be transformed into a form that can be taken up directly by the plants; this problem is solved by biological nitrogen fixers.

  7. Soil gas - Wikipedia

    en.wikipedia.org/wiki/Soil_gas

    Soil gases (soil atmosphere [1]) are the gases found in the air space between soil components. The spaces between the solid soil particles, if they do not contain water, are filled with air. The primary soil gases are nitrogen, carbon dioxide and oxygen. [2] Oxygen is critical because it allows for respiration of both plant roots and soil ...

  8. Edaphology - Wikipedia

    en.wikipedia.org/wiki/Edaphology

    Agricultural soil science is the application of soil chemistry, physics, and biology dealing with the production of crops. In terms of soil chemistry , it places particular emphasis on plant nutrients of importance to farming and horticulture , especially with regard to soil fertility and fertilizer components.

  9. Fertilizer - Wikipedia

    en.wikipedia.org/wiki/Fertilizer

    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. Soil acidification is a significant concern in agriculture and horticulture.

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