Article “WaterMovement” by W.H. GARDNER (1962) – How water moves in the soil
Six pages of photographs reveal the great diversity in one of the most commonplace phenomena in agriculture.

ArticleThe irrigator, the wet bulb and the advisor” by Xavier Eftimakis

Irrigazette n°171 – march 2019
The quantity of water received by the soil at dripping point, during a simple irrigation process is greater than the natural rainfall for an entire year. How does the soil manage this uncanny and repeated phenomenon ?
Article by Farouk A. Hassan, Ph.D. in the October 2002 issue of the trade magazine American Vegetable Grower entitled “Monitoring Microirrigation.”

New research from the University of Florida’s Institute of Food and Agricultural Sciences by Suat Irmak and Dorota Z. Haman entitled “Performance of the Watermark Granular Matrix Sensor in Sandy Soils.” The report is published in Vol. 17(6): 787-795 in “Applied Engineering in Agriculture” and is available to members from the ASAE website ( Abstract located at:

New research from Oregon State University’s Malheur Experiment Station by C.C. Shock and E.B.G. Feibert entitled “Deficit Irrigation of Potato, ” for details:
This article is a chapter in the publication: “Deficit Irrigation Practices”, available at:

The Granular Matrix Sensors page on the website of Oregon State University’s Malheur Experiment Station has been updated. For details:

Article by T.K. Hartz in the June/July issue of the trade magazine “Vegetable” entitled “Maximize Celery Production with Drip.”

The University of Arizona’s AZdrip program is a new permanent subsurface drip irrigation demonstration and research project. Details can be found at:

An article entitled “Comparison of the soil matrix potential using tensiometers and Watermark sensors” was written relative to a study on soil erosion. The authors are A.V.F.A. Bertolino, A.P. Souza, N.F. Fernandes, A.M. Rangel and T.M.P. de Campos, all from Rio De Janeiro, Brazil, and C.C. Shock of Oregon State University, Oregon, USA.

ASABE Paper Number 031129, entitled “A Site-Specific Irrigation Control System” by Fabio Rodrigues de Miranda.

ASABE Paper Number 032093, entitled “Evaluation of an automatic soil moisture-based drip irrigation system for row tomatoes” by R. Muñoz-Carpena, H. Bryan, W. Klassen and T.T. Dispenza.

ASABE Paper Number 03-4101, entitled “Plant Response Based on Irrigation Control using CWSI-IRT Feedback and Evapotranspiration Modeling” by Jessica J. Prenger, Peter P. Ling, Harold M. Keener and Robert C. Hansen.

Update on irrigation research at Southwest Michigan Research and Extension Center by Ron Goldy, Mathieu Ngouajio and Jeff Anderson:

A report entitled “Good irrigation practice for waxflowers” by Kevin Seaton of the Australian Department of Agriculture was presented at the 2004 Waxflower Conference.

A report entitled “Mist, substrate water potential and cutting water potential influence rooting of stem cuttings of loblolly pine” published in Tree Physiology 24, 823-831,© 2004 Heron Publishing-Victoria, Canada by Anthony V. LeBude, Barry Goldfarb, Frank A. Blazich, Farrell C. Wise and John Frampton

Article entitled “Wednesday is Not a Good Reason to Irrigate” by Bruce Carleton in the trade magazine Irrigation and Green Industry, Volume 7, Number 8. Currently available on their website:

A report entitled “Comparison of the AM400 and Irrometer Monitor for Precise Irrigation Scheduling” by Clinton C. Shock and Cedric A. Shock, Oregon State University’s Malheur Experiment Station

Qualls R.J., Scott, J.M., DeOreo, W.B. 2001. Soil Moisture Sensors for Urban Landscape Irrigation: Effectiveness and Reliability. American Water Resources Association Journal, June 2001.
DeOreo,W.B., P. Lander, Et. Al 1998. Soil Moisture Sensors: Are they a Neglected Tool – The Experience in Boulder, CO. AWWA Annual Conference Proceedings. Dallas, Texas
DeOreo, W.B., Scott, J. Et. Al. 1998. Evaluation of Soil Moisture Sensors in Extended Field Use – Executive Summary. Aquacraft, Inc. Project Report.
DeOreo, W.B., P. Lander. 1995. Summary Performance of Soil Moisture Sensor Operation in Boulder, Colorado (1993-1994). Irrigation Association, Phoenix, AZ.
DeOreo, W.B., P. Lander. 1994. Automated Irrigation Scheduling Using Soil Moisture Sensors. American Society of Agricultural Engineers, Summer Meeting, Kansas City, MO.