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  2. Bone meal - Wikipedia

    en.wikipedia.org/wiki/Bone_meal

    Bone meal provides phosphorus and calcium to plants, along with a largely inconsequential amount of nitrogen. [4] The N-P-K rating of bone meal is typically 3–15–0 [5] along with a calcium content of around 12% (18% CaO equiv.), [6] although it can vary quite a bit depending on the source from 1–13–0 to 3–22–0. [citation needed]

  3. Organic fertilizer - Wikipedia

    en.wikipedia.org/wiki/Organic_fertilizer

    Liming soil Bone meal and meat meal can be added to soil to stimulate root growth and to release phosphorus. Organic fertilizers are fertilizers that are naturally produced. [1] Fertilizers are materials that can be added to soil or plants, in order to provide nutrients and sustain growth.

  4. Plant nutrition - Wikipedia

    en.wikipedia.org/wiki/Plant_nutrition

    Plant nutrition is the study of the chemical ... 1939 to show that molybdenum was essential to tomato ... content fertilizer, such as bone meal, to perennials to help ...

  5. Phosphorus deficiency - Wikipedia

    en.wikipedia.org/wiki/Phosphorus_deficiency

    At this range of acidity the likeliness of phosphorus uptake is increased and the likeliness of phosphorus deficiency is decreased. Another part of prevention and treatment of phosphorus is the plant's disposition to absorb nutrients. Plant species and different plants within a species react differently to low levels of phosphorus in soil.

  6. Outline of organic gardening and farming - Wikipedia

    en.wikipedia.org/wiki/Outline_of_organic...

    An organic garden on a school campus. The following outline is provided as an overview of and topical guide to organic gardening and farming: . Organic farming – alternative agricultural system that relies on fertilizers of organic origin such as compost, manure, green manure, and bone meal and places emphasis on techniques such as crop rotation and companion planting.

  7. Fertilizer - Wikipedia

    en.wikipedia.org/wiki/Fertilizer

    Fertilizers of an organic origin (the first definition) include animal wastes, plant wastes from agriculture, seaweed, compost, and treated sewage sludge . Beyond manures, animal sources can include products from the slaughter of animals – bloodmeal, bone meal, feather meal, hides, hoofs, and horns all are typical components. [24]