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  2. Nitrogen deficiency - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_deficiency

    A young cabbage plant exhibiting nitrogen deficiency. Nitrogen deficiency is a deficiency of nitrogen in plants. This can occur when organic matter with high carbon content, such as sawdust, is added to soil. [1] Soil organisms use any nitrogen available to break down carbon sources, making nitrogen unavailable to plants. [1] This is known as ...

  3. Nutrient management - Wikipedia

    en.wikipedia.org/wiki/Nutrient_management

    Nitrogen fertilizer being applied to growing corn in a contoured, no-tilled field in Iowa.. Nutrient management is the science and practice directed to link soil, crop, weather, and hydrologic factors with cultural, irrigation, and soil and water conservation practices to achieve optimal nutrient use efficiency, crop yields, crop quality, and economic returns, while reducing off-site transport ...

  4. Plant nutrients in soil - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrients_in_soil

    Nitrogen is the most critical element obtained by plants from the soil, to the exception of moist tropical forests where phosphorus is the limiting soil nutrient, [36] and nitrogen deficiency often limits plant growth. [37] Plants can use nitrogen as either the ammonium cation (NH 4 +) or the anion nitrate (NO 3 −).

  5. CULTAN Fertilization - Wikipedia

    en.wikipedia.org/wiki/CULTAN_Fertilization

    CULTAN Fertilization, or Controlled Uptake Long Term Ammonium Nutrition, is a type of injection fertilization where the entire amount of nitrogen needed for a plant to grow is injected at one time. During CULTAN fertilization, nitrogen is applied at the first signs of nitrogen deficiency in plants. [1]

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

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

    Nitrogen is a fundamental nutrient in agriculture, playing a crucial role in plant growth and development. It is an essential component of proteins, enzymes, chlorophyll, and nucleic acids, all of which are essential for various metabolic processes within plants. [2]

  7. Biofertilizer - Wikipedia

    en.wikipedia.org/wiki/Biofertilizer

    Plant-growth promoting rhizobacteria (PGPR) and mycorrhizae are generally thought to increase the fixation of atmospheric nitrogen, [17] convert inorganic phosphorus compounds into soluble forms, increase the bioavailability of minerals in the soil, [18] and synthesize phytohormones that promote growth, such as auxins and gibberellin.

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