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  2. Biofertilizer - Wikipedia

    en.wikipedia.org/wiki/Biofertilizer

    A biofertilizer is a substance which contains living micro-organisms which, when applied to seeds, plant surfaces, or soil, colonize the rhizosphere or the interior of the plant and promotes growth by increasing the supply or availability of primary nutrients to the host plant. [1]

  3. Nitrogen, phosphorus and potassium are the key garden ... - AOL

    www.aol.com/nitrogen-phosphorus-potassium-tkey...

    Blood meal (12-0-0) at a rate of 5 to 10 pounds per 100 square feet, cottonseed meal (6-0-1) at 10 pounds per 100 square feet, and soybean meal (7-2-1) at 8 pounds per 100 square feet are all ...

  4. Organic fertilizer - Wikipedia

    en.wikipedia.org/wiki/Organic_fertilizer

    Grain meals can be made of corn gluten, alfalfa, cottonseed, or soybean. Most supply nitrogen and potassium, but soybean meal provides nitrogen and phosphorus. [27] When initially spread they can cause an increase in ammonia within the soil and burn seeds, it is recommended to use these after plants have developed, to ensure crop success.

  5. 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 ...

  6. Fertilizer - Wikipedia

    en.wikipedia.org/wiki/Fertilizer

    The main nitrogen-based straight fertilizer is ammonia (NH 3) ammonium (NH 4 +) or its solutions, including: Ammonium nitrate (NH 4 NO 3) with 34-35% nitrogen is also widely used. Urea (CO(NH 2) 2), with 45-46% nitrogen, another popular source of nitrogen, having the advantage that it is solid and non-explosive, unlike ammonia and ammonium nitrate.

  7. Trifolium repens - Wikipedia

    en.wikipedia.org/wiki/Trifolium_repens

    As a leguminous and hardy plant, it is considered to be a beneficial component of natural or organic pasture management and lawn care due to its ability to fix nitrogen and out-compete weeds. Natural nitrogen fixing reduces leaching from the soil and by maintaining soil health can reduce the incidence of some lawn diseases that are enhanced by ...

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