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Profile photo of Ronny Berndtsson

Ronny Berndtsson

Professor, Dep Director, MECW Dep Scientific Coordinator

Profile photo of Ronny Berndtsson

Soil water, soil chemical and crop variations in a clay soil

Author

  • Ronny Berndtsson
  • Akissa Bahri

Summary, in English

Spatial properties of field soils vary in a complex manner. Especially in arid and semiarid areas, this variability affects plant quality and crop production. An experimental field plot was extensively sampled regarding soil water (378 gravimetrical samples), soil chemical content (314 samples), and crop yield and chemical content (26 samples) at the Cherfech agricultural field research station in Tunisia. Geostatistical analyses were made to gain a better understanding of the in situ variability of soil water, soil chemical and crop properties. Ranges of correlation were found to vary over distances between 5 and over 40 m. Nugget and sill values for semivariograms were almost an order of magnitude larger for crop samples compared to soil samples. The crop yield components appeared to have larger variability as compared to crop chemical components.

Department/s

  • Division of Water Resources Engineering

Publishing year

1996

Language

English

Pages

171-178

Publication/Series

Hydrological Sciences Journal

Volume

41

Issue

2

Document type

Journal article

Publisher

Taylor & Francis

Topic

  • Soil Science

Status

Published

ISBN/ISSN/Other

  • ISSN: 0262-6667