Soil moisture distribution mapping in topsoil and its effect on maize yield

Gábor Milics, Attila J. Kovács, Attila Pörneczi, Anikó Nyéki, Zoltán Varga, Viliam Nagy, Lubomír Lichner, T. Németh, Gábor Baranyai, Miklós Neményi

Research output: Contribution to journalArticle

Abstract

Soil moisture content directly influences yield. Mapping within field soil moisture content differences provides information for agricultural management practices. In this study we aimed to find a cost-effective method for mapping within field soil moisture content differences. Spatial coverage of the field sampling or TDR method is still not dense enough for site-specific soil management. Soil moisture content can be calculated by measuring the apparent soil electrical conductivity (ECa) using the Veris Soil EC-3100 on-the-go soil mapping tool. ECa is temperature dependent; therefore values collected in different circumstances were standardized to 25°C temperature (EC25). Constants for Archie's adjusted law were calculated separately, using soil temperature data. According to our results, volumetric moisture content can be mapped by applying ECa measurements in our particular field with high spatial accuracy. Even though within-field differences occure in the raw ECa map standardization to EC25 is recommended. Soil moisture map was also compared to yield map showing correlation (R2 = 0.5947) between the two datasets.

Original languageEnglish
Pages (from-to)847-853
Number of pages7
JournalBiologia (Poland)
Volume72
Issue number8
DOIs
Publication statusPublished - Aug 28 2017

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Keywords

  • apparent electrical conductivity
  • data preparation and interpolation
  • maize yield mapping
  • Moisture content mapping
  • precision agriculture

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry
  • Animal Science and Zoology
  • Molecular Biology
  • Genetics
  • Plant Science
  • Cell Biology

Cite this

Milics, G., Kovács, A. J., Pörneczi, A., Nyéki, A., Varga, Z., Nagy, V., Lichner, L., Németh, T., Baranyai, G., & Neményi, M. (2017). Soil moisture distribution mapping in topsoil and its effect on maize yield. Biologia (Poland), 72(8), 847-853. https://doi.org/10.1515/biolog-2017-0100