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Shawn T. Steed, Allison Bechtloff, Andrew Koeser, and Tom Yeager

savings equated to 81.8% for BP and 90.6% for WP treatments compared with the NT treatment, as determined by soil moisture sensors. White plastic mulch saved 52% of the irrigation volume compared with BP possibly because of the reflective nature of white

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Dilma Daniela Silva, Richard C. Beeson Jr., and Michael E. Kane

multiplexer (AM16/32B; Campbell Scientific) and two remote relay controls (SDM-CD16AC; Campbell Scientific). Substrate moisture was measured within each rhizotron using one soil moisture sensor (EC-5 ECH 2 O probe; Decagon Devices, Pullman, WA) per rhizotron

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Maycon Diego Ribeiro, Rhuanito Soranz Ferrarezi, and Roberto Testezlaf

should be reduced, the leakings need to be fixed, and an automated system to control irrigation based on soil moisture sensors could be used rather than using a rigid scale ( Ferrarezi et al., 2013 ). These authors, who used subirrigation equipment

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Rolston St. Hilaire, Michael A. Arnold, Don C. Wilkerson, Dale A. Devitt, Brian H. Hurd, Bruce J. Lesikar, Virginia I. Lohr, Chris A. Martin, Garry V. McDonald, Robert L. Morris, Dennis R. Pittenger, David A. Shaw, and David F. Zoldoske

complexity from traditional controller features and layouts to Internet-based management and interface ( U.S. Bureau of Reclamation, 2007 ). Some smart controllers can continually monitor changing weather or soil conditions (through soil moisture sensors) and

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Nicholas A. Pershey, Bert M. Cregg, Jeffrey A. Andresen, and R. Thomas Fernandez

scheduling. Substrate volumetric water content (θ) was measured in 2009 for every plant using a TDR soil moisture sensor (ThetaProbe Type ML2x; Delta-T Devices Ltd., Cambridge, UK) connected to a handheld reader (ThetaMeter Hand-Held Readout Unit Type HH1

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Clinton C. Shock and Feng-Xin Wang

to soil water tension using a standard calibration relationship ( Shock, 2003 ). The Watermark Soil Moisture Sensor Model 200SS is a GMS marketed by the Irrometer Co., Inc., Riverside, CA. Granular matrix sensors have advantages of low cost, no

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Arthur Villordon, Ron Sheffield, Jose Rojas, and Yin-Lin Chiu

rainfall or supplemental irrigation applied in each growing season was generally equivalent to 25 mm per week for 15 to 16 weeks. Starting in 2007, supplemental irrigation was based on soil moisture sensor data and irrigation was applied when soil moisture

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Yanjun Guo, Terri Starman, and Charles Hall

watchdog 1000 series Micro Station and SM 100 WaterScout soil moisture sensors (Spectrum Technologies, Inc., Aurora, IL). There was one sensor per treatment per cultivar inserted in the root substrate of a container that was closer to the center of the

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Clinton C. Shock, Erik B.G. Feibert, Alicia Riveira, and Lamont D. Saunders

Soil Moisture Sensors Model 200SS; Irrometer Co., Riverside, CA) installed at 0.2-m depth in the center of a double row. Sensors had been calibrated to SWT ( Shock et al., 1998a ). The GMS were connected to a data logger via multiplexers (AM 410

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Susmitha Nambuthiri, Ethan Hagen, Amy Fulcher, and Robert Geneve

. This is in contrast to the DWU method ( Pershey, 2014 ; Warsaw et al., 2009 ) where the amount of irrigation will vary based on plant water use but the time irrigation occurs is constant (every 24 h). These two soil moisture sensor (SMS)-based methods