Journal
EUROPEAN JOURNAL OF AGRONOMY
Volume 55, Issue -, Pages 42-52Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.eja.2013.12.008
Keywords
Phosphorus; Fertilizer; Topsoil; LUCAS; P supply; Cropland; NUTS
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In the frame of the Land Use/Land Cover Area Frame Survey sampling of topsoil was carried out on around 22,000 points in 25 EU Member States in 2009 and in additional 2 Member States in 2012. Besides other basic soil properties soil phosphorus (P) content of the samples were also measured in a single laboratory in both years. Based on the results of the LUCAS topsoil survey we performed an assessment of plant available P status of European croplands. Higher P levels can be observed in regions where higher crop yields can be expected and where high fertilizer P inputs are reported. Plant available phosphorus levels were determined using two selected fertilizer recommendation systems: one from Hungary and one from the United Kingdom. The fertilizer recommendation system of the UK does not recommend additional fertilizer use on croplands with highest P supply, which covers regions mostly in Belgium and the Netherlands. According to a Hungarian advisory system there is a need for fertilizer P input in all regions of the EU. We established a P fertilizer need map based on integrating results from the two systems. Based on data from 2009 and 2012, P input demand of croplands in the European Union was estimated to 3, 849, 873 tons((p2O5))/year. Meanwhile we found disparities of calculated input need and reported fertilizer statistics both on local (country) scale and EU level. The first ever uniform topsoil P survey of the EU highlights the contradictions between soil P management of different countries of the Union and the inconsistencies between reported P fertilizer consumption and advised P doses. Our analysis shows a status of a baseline period of the years 2009 and 2012, while a repeated LUCAS topsoil survey can be a useful tool to monitor future changes of nutrient levels, including Pin soils of the EU. (C) 2014 The Authors. Published by Elsevier B.V. All rights reserved.
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