Phosphate minerals, environmental pollution and sustainable agriculture
The availability of phosphorus in soils is controlled by the ability of plants to dissolve phosphate-bearing minerals, including apatite and feldspars. To satisfy the requirement of plants for phosphate, mineral dissolution competes with precipitation such as, for example, reactions involving lead o...
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| Veröffentlicht in: | Elements (Quebec) 2008-04, Vol.4 (2), p.105-108 |
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| container_title | Elements (Quebec) |
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| creator | Manning, David A. C |
| description | The availability of phosphorus in soils is controlled by the ability of plants to dissolve phosphate-bearing minerals, including apatite and feldspars. To satisfy the requirement of plants for phosphate, mineral dissolution competes with precipitation such as, for example, reactions involving lead or other heavy metals. Plants exude organic acid anions that very effectively enhance mineral dissolution but that may also liberate harmful solutes, such as aluminium. To make readily soluble chemical fertilizers, apatite in igneous and sedimentary rocks is mined and processed; in organic farming, phosphate-rich rocks are crushed and applied directly to the soil, relying on compounds produced by plant roots (exudates) to extract the phosphorus that plants need. |
| doi_str_mv | 10.2113/GSELEMENTS.4.2.105 |
| format | Article |
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C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a403t-526f2c0c763842a402d864374391a3f889eba73452ad910143d500549fbaf0763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>agriculture</topic><topic>aluminum</topic><topic>apatite</topic><topic>bioavailability</topic><topic>Environmental geology</topic><topic>fertilizers</topic><topic>geochemical cycle</topic><topic>heavy metals</topic><topic>lead</topic><topic>metals</topic><topic>organic acids</topic><topic>organic compounds</topic><topic>phosphate ion</topic><topic>phosphates</topic><topic>Plantae</topic><topic>pollution</topic><topic>soils</topic><topic>solubility</topic><topic>solutes</topic><topic>struvite</topic><topic>sustainable development</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Manning, David A. 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| ispartof | Elements (Quebec), 2008-04, Vol.4 (2), p.105-108 |
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| source | Alma/SFX Local Collection |
| subjects | agriculture aluminum apatite bioavailability Environmental geology fertilizers geochemical cycle heavy metals lead metals organic acids organic compounds phosphate ion phosphates Plantae pollution soils solubility solutes struvite sustainable development |
| title | Phosphate minerals, environmental pollution and sustainable agriculture |
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