Spatial Variation of Soil P in Grassland
The spatial variation of soil nutrients such as soil P is becoming important because of the use of STP as a basis for policies such as the EU-introduced Nitrate Directive. Traditionally, fertilizers have been applied to grasslands based on soil test results, without considering within-field spatial variability. Such agricultural management may be inefficient due to under-application or over-application in specific sites. Under-application zones do not reach optimal levels of grass yield whereas in over-application areas there will be an increase of costs and high risk of environmental pollution such as runoff with high P or nitrogen (N) conce…
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Produktdetails
Weitere Autoren: Zhao, Keli
- ISBN: 978-3-639-66769-1
- EAN: 9783639667691
- Produktnummer: 37620167
- Verlag: Scholars' Press
- Sprache: Englisch
- Erscheinungsjahr: 2014
- Seitenangabe: 204 S.
- Masse: H22.0 cm x B15.0 cm x D1.2 cm 322 g
- Abbildungen: Paperback
- Gewicht: 322
Über den Autor
Dr. Weijun Fu and Keli Zhao are Associate Professors in Zhejiang A & F University in China. They have published more than 50 peer-reviewed papers in scientific journals. Their research interests focus on spatial analyses of environmental variables, especially heavy metals in soils, using GIS, geostatistics and other spatial statistical techniques.
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