Construction and Assessment of an on the Go Soil Electrical

Journal Title: Journal of Agricultural Machinery - Year 2011, Vol 1, Issue 1

Abstract

The issue of soil salinity is one of the snags for increasing agricultural productivity, which must be inhibited by appropriate devise and scientific management. One way to identify salty areas of farm lands is to prepare salinity maps. In this study, a prototype soil apparent electrical conductivity measuring and mapping device, was designed and built. This device employs direct contact method of electrodes with soil (Also called Wenner method). The system inputs include power supply voltage, location signal from a GPS receiver and signal of voltage between the electrodes. The outputs include the apparent electrical conductivity with respective to geographical coordinate that created in a TEXT file, and then transmitted through a RS-232 serial port to a PC. Electrical conductivity data calibrated and mapped using ESAP-95 software package. To evaluate the device, electrical conductivity map of a land with area of 0.8 Ha surveyed in two ways: using the on the go EC mapper and capturing soil samples manually. The results of these two methods were then compared. Assessment of the device in a clay-loamy soil with low salt level, showed a good correlation with the laboratory EC, having mean error (ME) of -15.27μS.cm-1. Point to point comparison between surveyed data and laboratory EC’s shown that in 67 percent of measurements the errors were under 10 percent. These errors are acceptable mainly due to unknown soil variables and in comparison with other research findings.

Authors and Affiliations

J. Baradaran Motie,M. H. Aghkhani,M. H. Abbaspour-Fard,A. Lakziyan,

Keywords

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  • EP ID EP717649
  • DOI -
  • Views 45
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How To Cite

J. Baradaran Motie, M. H. Aghkhani, M. H. Abbaspour-Fard, A. Lakziyan, (2011). Construction and Assessment of an on the Go Soil Electrical. Journal of Agricultural Machinery, 1(1), -. https://europub.co.uk/articles/-A-717649