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  • How glow in the dark urine led to the discovery of

    How glow in the dark urine led to the discovery of

    The Phosphate we now use in fertiliser is almost entirely from Rock Phosphate. An inorganic element that is mined. How it got there is not so certain. It appears to be a sedimentary deposit created under special conditions in which no other sediment is present. Some suggest that it has been absorbed by ocean plants that then die. As they

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  • The story of phosphorus: Global food security and food for

    The story of phosphorus: Global food security and food for

    May 01, 2009 Plants require phosphorus to grow. Phosphorus is an element on the periodic table that cannot be substituted and is therefore vital for producing the food we eat (Steen, 1998).90% of global demand for phosphorus is for food production, currently around 148 million tonnes of phosphate rock per year (Smil, 2000a, Smil, 2000b, Gunther, 2005).. The demand for phosphorus is predicted to …

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  • Understanding phosphorus fertilizers | UMN Extension

    Understanding phosphorus fertilizers | UMN Extension

    Rock phosphate is the raw material used to manufacture most commercial phosphate fertilizers on the market. In the past, ground rock phosphate itself has been used as a source of P for acid soils. However, very little rock phosphate is currently used in agriculture due to low availability of P in this native material, high transportation costs ...

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  • Phosphate solubilizing bacteria - Wikipedia

    Phosphate solubilizing bacteria - Wikipedia

    When PSB is used with rock phosphate, it can save about 50% of the crop requirement of phosphatic fertilizer. [ citation needed ] The use of PSB as inoculants increases P uptake by plants. Simple inoculation of seeds with PSB gives crop yield responses equivalent to 30 kg P 2 O 5 /ha or 50 percent of the need for phosphatic fertilizers.

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  • Water Research Center - Phosphate in Water

    Water Research Center - Phosphate in Water

    The organic phosphate is the phosphate that is bound or tied up in plant tissue, waste solids, or other organic material. After decomposition, this phosphate can be converted to orthophosphate. Phosphate rock in commercially available form is called apatite and the phosphate is also present in fossilized bone or bird droppings called guano.

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  • Maaden - Phosphate

    Maaden - Phosphate

    Phosphate. Phosphates are a naturally occurring form of the element Phosphorus, one of the three primary nutrients, with Nitrogen and Potassium are the other two, required for photosynthesis and crop growth. Ma’aden mine Phosphate Rock and process it into diversified ammonium Phosphate …

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  • Phosphate Solubilizing Microorganisms: Promising Approach

    Phosphate Solubilizing Microorganisms: Promising Approach

    Phosphate solubilizing microbes (PSMs) are a group of beneficial microorganisms capable of hydrolyzing organic and inorganic insoluble phosphorus compounds to soluble P form that can easily be assimilated by plants. PSM provides an ecofriendly and economically sound approach to overcome the P scarcity and its subsequent uptake by plants.

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  • Uranium from Phosphates | Phosphorite Uranium - World

    Uranium from Phosphates | Phosphorite Uranium - World

    Source: USGS 2020 1. Phosphate rock (phosphorite) is a marine sedimentary rock which contains 18-40% P 2 O 5, as well as some uranium and all its decay products, often 70 to 200 ppmU, and sometimes up to 800 ppm.The main mineral in the phosphate rock is apatite, and most commonly, fluorapatite – Ca 5 (PO 4) 3 F or Ca 10 (PO 4) 6 (F,OH) 2.This is insoluble, so cannot directly be used as a ...

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  • Harnessing Peptide Binding to Capture and Reclaim Phosphate

    Harnessing Peptide Binding to Capture and Reclaim Phosphate

    However, natural P resources (phosphate rock) are depleting. The authors describe the current situation and a forecast for future phosphate prodn. and reserves. The current depletion of phosphate reserves and the increasingly stringent discharge regulations have led to the development of various P-recovery techniques from wastewater.

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  • Sedimentary Rock Examples and Types

    Sedimentary Rock Examples and Types

    Plant and animal fossils can be found in sedimentary rock. When there is an abundance of plants and animals, fossil fuels develop, like oil, natural gas and coal. Types of sedimentary rocks include carbonate rocks, chemically precipitated rocks, clastic rocks and coal.

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  • Plants Need Phosphate | Ask A Biologist

    Plants Need Phosphate | Ask A Biologist

    Dec 19, 2015 Historically, phosphate was mined from bat guano, but bats can only poop so much. So now the majority of phosphate comes from phosphate rock. Yet, just like the bat guano, there’s only so much phosphate rock to go around. In fact, it is projected that at current rates, we will run out of phosphate in the next 50 to 100 years.

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  • Phosphate mining in the United States - Wikipedia

    Phosphate mining in the United States - Wikipedia

    Many phosphate processing plants are located at the mines. In addition, some processing plants are located remote from the mines. Some process imported phosphate rock. Use. Phosphorus is an essential component of fertilizer. In 2013, about 90 percent of phosphate rock was used in fertilizer manufacture. Other uses included animal feed and ...

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  • Nitrogen, Phosphate & Potash for Plants | Home Guides

    Nitrogen, Phosphate & Potash for Plants | Home Guides

    Nitrogen, Phosphate & Potash for Plants. The proper balance of certain elements in soil can make or break a garden. Nitrogen, phosphate and potash, naturally occurring elements, are required for ...

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  • Phosphate | Florida Department of Environmental Protection

    Phosphate | Florida Department of Environmental Protection

    The dragline then digs out the ore-bearing layer (known as the matrix), which consists of about equal parts phosphate rock, clay and sand. Matrix material is then dumped in a pit where high-pressure water guns create a slurry that can then be pumped to the beneficiation plant, which can be several miles away.

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  • Phosphate Mining - Center for Biological Diversity

    Phosphate Mining - Center for Biological Diversity

    Most mining of phosphate rock involves clearing large swaths of vegetation and digging up the soil beneath to reach the phosphate-ore-containing matrix 60 to 80 feet below the surface. This matrix is then transported by pipeline to a nearby plant, where the phosphate ore is forcibly separated from the sand and clay by a process known as ...

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  • Temperate Forest Trees and Plants | Ask A Biologist

    Temperate Forest Trees and Plants | Ask A Biologist

    Jul 22, 2014 There are also plants called forbs: small, non-woody, flowering plants, like lilies as well as orchids. One example is the beautiful White Trillium, a plant which produces large white flowers after about seven to ten years, and can live for 70 years.

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