Precision Agriculture

, Volume 12, Issue 1, pp 118–129 | Cite as

Soil spatial variability and site-specific fertilization maps in an apple orchard

  • K. D. Aggelopoulou
  • D. Pateras
  • S. Fountas
  • T. A. Gemtos
  • G. D. Nanos
Article

Abstract

In the present study, the spatial variability of some soil physical and chemical properties in a 0.8 ha apple orchard were studied. Sixty soil samples were taken from two sampling depths: 0–0.3 m and 0.3–0.6 m. The soil samples were analyzed for the following soil properties: soil texture, pH, cation exchange capacity and NO3–N, NH4–N, P, K, Na, Ca, Mg, Fe, Zn, Mn, Cu, B and organic matter content. Data analysis indicated that most of the nutrients were at sufficient levels. The site-specific application map for N was created based on the amount of N that was removed from the soil with the yield of the previous year. By applying N site-specifically, 38% of N could be saved compared to uniform application.

Keywords

Malus * domestica Soil sampling Variograms Fertilization maps Variable rate application 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • K. D. Aggelopoulou
    • 1
  • D. Pateras
    • 2
  • S. Fountas
    • 1
  • T. A. Gemtos
    • 1
  • G. D. Nanos
    • 1
  1. 1.Department of Agriculture, Crop Production & Rural EnvironmentUniversity of ThessalyMagnesiaGreece
  2. 2.Technological Education InstituteLarissaGreece

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