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| DOI: | 10.2134/jeq2008.0068 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/articles/38/2/751
Last checked: 11/07/2016
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https://dl.sciencesocieties.org/publications/jeq/pdfs/38/2/751
Last checked: 11/08/2016
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| Publication Type:
| Refereed |
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| Author(s): | van der Salm, Caroline;
Chardon, Wim J.;
Koopmans, Gerwin F.;
van Middelkoop, Jantine C.;
Ehlert, Phillip A. I. |
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| Author Affiliation: | Wageningen University and Research Centre |
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| Title: | Phytoextraction of phosphorus-enriched grassland soils |
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| Section: | Technical reports: Surface water quality
Other records with the "Technical reports: Surface water quality" Section
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| Source: | Journal of Environmental Quality. Vol. 38, No. 2, March/April 2009, p. 751-761. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| # of Pages: | 11 |
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| Keywords: | TIC Keywords: Phosphorus; Grassland soils; Extraction; Leaching; Water quality; Soil analysis; Chemical soil analysis; Physical properties of soil; Soil testing; Nutrient uptake
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| Abstract/Contents: | "High soil P contents in agricultural soils in the Netherlands cause excessive losses of P to surface waters. The reductions in P application rates in the present manure policy are not sufficient to reach surface water quality standards resulting from the European Water Framework Directive in 2015. Accordingly, additional measures are necessary to reduce P loading to surface water. Greenhouse experiments showed that a rapid reduction in soluble P and readily available soil P can be obtained by zero P application. However, field data confirming these findings are scarce. In 2002 a phytoextraction experiment started on four grasslands sites on sand, peat, and clay soils. The phytoextraction (mining) plots receive no P and 300 kg N ha-1 yr-1 and the grass is removed by mowing. The experiment showed that zero P application, over a period of 5 yr, led to a strong (30-90%) reduction in P concentrations in soil solution in the upper soil layer (00.05 m). The reduction in concentrations declined with depth. Mining also resulted in a decline in P pools in the soil solid phase. The largest decline (10-60%) was found in weakly bound P pools (water extractable P; Pw, and ammonium lactate extractable P; P-AL), whereas reductions in more strongly bound P forms were relatively small. It may be concluded that phytoextraction appears an effective method of reducing soil P concentrations in the uppermost soil layers in a couple of years and prolonged mining may thus be effective in reducing leaching and runoff of P." |
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| Language: | English |
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| References: | 50 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
van der Salm, C., W. J. Chardon, G. F. Koopmans, J. C. van Middelkoop, and P. A. I. Ehlert. 2009. Phytoextraction of phosphorus-enriched grassland soils. J. Environ. Qual. 38(2):p. 751-761. |
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| DOI: 10.2134/jeq2008.0068 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/articles/38/2/751
Last checked: 11/07/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/pdfs/38/2/751
Last checked: 11/08/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: b2225072a |
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