Monitoring of soil fertility

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Courtesy of OTT Hydromet - a member of Hach Company

Background

In agriculture and forestry soil fertility is a decisive factor for the economic use of fields and forests.

Various factors, considered as a whole are the indicators which characterize the soil fertility.

Important parameters are e.g.: Intensity of precipitation, air temperature, air humidity, soil humidity, suction power and soil temperature in various depths.

Task

The Evironmental Protection Office of the Canton Uri commissioned the installation of a monitoring test-site in the agricultural area of Seedorf under the leadership of OTT Hydrometrie AG to examine the benefit of monitoring and transmitting important parameters

Tasks of the station:

  • Monitoring of intensity of precipitation, air temperature, air humidity, soil humidity, suction power and soil temperature in various depths
  • Data transmission of measured values
  • Alarm in case of exceeded limit values

Monitoring Solution

  • Solar-supplied station equipped with the OTT LogoSens data logger system
  • Precipitation measurement with OTT Parsivel (optical laser method). Unlike conventional tipping bucket gauges the OTT Parsivel is a maintenance-free device.
  • Measuring of suction power in var. depths
  • Measuring of soil humidity in var. depths
  • Measuring of soil temperature in var. depths
  • Data transmission via GSM / SMS. Automatic data transmission once a day
  • Up-to-date internet publication of data

Summary / Look-Out

The station proved to work successful.

Advantages of the station:

  • Always available data as basis for decisions
  • Active alarm management with little servicing requirement
  • Automatic data monitoring and continuous transmission
  • Internet publication of data and graphics for a broad public
  • Absolute topicality of measured date thanks to recent transmission technology

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