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Long-term effect of super phosphate fertilizer on accumulation of soil phosphorus on a pasture

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Precision agriculture ’13

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Abstract

The purpose of the present work was to clarify some aspects of the complexity of phosphorus (P) dynamics under specific soil and climate conditions and a particular type of agro ecosystem: the Mediterranean pasture. The deviation between measured and estimated soil P content was evaluated over 12 years, in a 6 ha permanent bio-diverse pasture field in Southern Portugal. A simple dynamic model found good agreement for estimating the soil P content where P fertilizer had been regularly applied, but was not nearly as effective for the period during which the field did not receive P fertilizer. The dynamic of transformation between diverse P pools in Mediterranean shallow soils make the estimation of P balance very complex and justify more experiments.

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Acknowledgments

This work was funded by FEDER Funds through the Operational Programme for Competitiveness Factors- COMPETE and National Funds through FCT- Foundation for Science and Technology under the Strategic Project Pest-C/AGR/U10115/2011.

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Authors and Affiliations

  1. ICAAM-Instituto de Ciências Agrárias e Ambientais Mediterrânicas, ECT, Rural Engineering Department, University of Évora, 94, 7002-554, Évora, Portugal

    J. Serrano, S. Shahidian & J. Marques da Silva

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  1. J. Serrano
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  2. S. Shahidian
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  3. J. Marques da Silva
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Correspondence to J. Serrano .

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John V. Stafford

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© 2013 Wageningen Academic Publishers The Netherlands

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Serrano, J., Shahidian, S., Silva, J.M.d. (2013). Long-term effect of super phosphate fertilizer on accumulation of soil phosphorus on a pasture. In: Stafford, J.V. (eds) Precision agriculture ’13. Wageningen Academic Publishers, Wageningen. https://doi.org/10.3920/978-90-8686-778-3_27

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