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David Kohanbash, George Kantor, Todd Martin, and Lauren Crawford

Wireless sensor networks ( Fig. 1 ) are an important tool for monitoring crops and controlling irrigation ( Angelopoulos et al., 2011 ; Bauerle et al., 2013 ; Coates et al., 2012 ; Lea-Cox, 2012 ). A common issue with today’s WSN systems is being

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John D. Lea-Cox, William L. Bauerle, Marc W. van Iersel, George F. Kantor, Taryn L. Bauerle, Erik Lichtenberg, Dennis M. King, and Lauren Crawford

used for a variety of applications ( Akyildiz et al., 2002 ), including more efficient irrigation ( McCullogh et al., 2008 ). However, WSNs developed for agricultural applications may not be appropriate for horticulture. The primary reason that

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Matthew Chappell, Sue K. Dove, Marc W. van Iersel, Paul A. Thomas, and John Ruter

-moisture-sensor-based control system (hardware) has been matched with a software package targeted to greenhouse and nursery producers. Crops grown using WSNs in controlled research settings have included periwinkle [ Catharanthus roseus ( Kim and van Iersel, 2010 ; van Iersel

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Alberto Pardossi and Luca Incrocci

substrate. Due to soil spatial variability, precision irrigation control requires a large number of sensors that are spread out on each plot of the farm and communicate with the irrigation system. The use of a wireless sensor network (WSN) could reduce the

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Bruk E. Belayneh, John D. Lea-Cox, and Erik Lichtenberg

savings must then be compared with the cost of installing and operating the WSN system to obtain the net effect of sensor-controlled irrigation on profitability. Sensor-controlled irrigation eliminated the time spent monitoring field blocks and halved the