faculty description & links

	Lawrence J. Schwankl, CE Irrigation Specialist Ph.D., Civil Engineering/Irrigation, University of California, Davis Phone (559) 646-6569 FAX (559) 646-6567 E-mail: schwankl@uckac.edu Land, Air, Water Resources, University of California, Davis Area of Specialty: Irrigation systems
Web sites: http://gwpa.uckac.edu/ http://UCManageDrought.ucdavis.edu
Research Statement Drip, sprinkler, and flood irrigation systems with emphasis on irrigation of trees and vines. Irrigation system maintenance and chemigation. Irrigation scheduling using soil moisture monitoring and evapotranspiration techniques.
IRRIGATION IN CALIFORNIA, Presented to the 2010 Specialties Crops Tour, Parlier, CA, July 13, 2010 PowerPoint presentation
MAINTAINING VINEYARD MICROIRRIGATION SYSTEMS, Presented at San Luis Obispo Co. Grower Meeting, Templeton, CA, May 18, 2010 PowerPoint presentation
MAINTAINING MICROIRRIGATION SYSTEMS, Presented at Tulare County Citrus Grower Meeting, Tulare, CA, April 30, 2010 PowerPoint presentation
FLOW METER USE ON DAIRIES, Presented at Measuring Irrigation Water Application When Liquid Manure Is Applied Workshop, Tulare, CA April 13, 2010 PowerPoint presentation
IRRIGATION SYSTEMS AND THEIR MAINTENANCE, Presented at Varietal Winegrape Short Course, UC Davis, 24 Feb 2010 PowerPoint presentation
CHOOSING AN EFFICIENT IRRIGATION SYSTEM, Presented at Tree Crop Meeting, Lakeport, CA, 17 Feb 2010 PowerPoint presentation
ET & SOIL MOISTURE SCHEDULING, Presented at Tree Crop Meeting, Lakeport, CA, 17 Feb 2010 PowerPoint presentation
SPRINKLER APPLIC. RATE & MAINTENANCE OF MICROIRRIGATION SYSTEMS, Presented at Tree Crop Meeting, Lakeport, CA, 17 Feb 2010 PowerPoint presentation
LANDSCAPE IRRIGATION, Presented at the Master Gardener training, Santa Rosa, CA, 27 January 2010 PowerPoint presentation
WATER MANAGEMENT IN PERMANENT CROPS, Presented at Fruit Growers Laboratory workshop, Modesto, CA, 13 January, 2010 PowerPoint presentation Orchard Evaluation Handout
Recent Presentations & Written Materials: Chemigation Safety Drawings Free publications available for download: Reducing Runoff from Irrigated Lands: Causes and Management of Runoff from Surface Irrigation in Orchards http://anrcatalog.ucdavis.edu/InOrder/Shop/ItemDetails.asp?ItemNo=8214 Reducing Runoff from Irrigated Lands: Managing Existing Sprinkler Irrigation Systems http://anrcatalog.ucdavis.edu/InOrder/Shop/ItemDetails.asp?ItemNo=8215 Reducing Runoff from Irrigated Lands: Measuring Irrigation Flows in a Pipeline http://anrcatalog.ucdavis.edu/InOrder/Shop/ItemDetails.asp?ItemNo=8213 Reducing Runoff from Irrigated Lands: Soil Intake Rates and Application Rates in Sprinkler-Irrigated Orchards http://anrcatalog.ucdavis.edu/InOrder/Shop/ItemDetails.asp?ItemNo=8216 Reducing Runoff from Irrigated Lands: Storing Runoff from Winter Rains http://anrcatalog.ucdavis.edu/InOrder/Shop/ItemDetails.asp?ItemNo=8211 Reducing Runoff from Irrigated Lands: Tailwater Return Systems http://anrcatalog.ucdavis.edu/InOrder/Shop/ItemDetails.asp?ItemNo=8225 Reducing Runoff from Irrigated Lands: Understanding Your Orchard's Water Requirements http://anrcatalog.ucdavis.edu/InOrder/Shop/ItemDetails.asp?ItemNo=8212 Handbooks available for purchase: Micro-irrigation of Trees and Vines – Schwankl, L., Hanson, B., and T. Prichard. ANR Pub. 3378. http://anrcatalog.ucdavis.edu/Irrigation/3378.aspx Surge Irrigation – Hanson, B., Schwankl, L., Bendixon, W. and K. Schulbach. ANR Pub. 3380. http://anrcatalog.ucdavis.edu/Irrigation/3380.aspx Maintaining Microirrigation Systems – Schwankl, L., Hanson, B., and T. Prichard. ANR Pub. 21637. http://anrcatalog.ucdavis.edu/ Drip Irrigation for Row Crops – Hanson, B., Schwankl, L., Grattan, S., T. Prichard. ANR Pub. 3376. http://anrcatalog.ucdavis.edu/ Scheduling Irrigations: When and How Much to Apply. Hanson, B., Schwankl, L., and A. Fulton. ANR Pub. 3396. http://anrcatalog.ucdavis.edu/Irrigation/3396.aspx Costs of Pressurized Irrigation Systems for Tree Crops. Schwankl, L. Prichard, T. Hanson, B. and I. Wellman. ANR Pub. 21585. http://anrcatalog.ucdavis.edu/Irrigation/21585.aspx Chemigation in Tree and Vine Microirrigation Systems. Schwankl, L. and T. Prichard. ANR Pub. 21599. http://anrcatalog.ucdavis.edu/Irrigation/21599.aspx Drip Irrigation in the Home Landscape. Schwankl, L. and T. Prichard. ANR Pub. 21579. http://anrcatalog.ucdavis.edu/GrowingVegetablesFruitsNuts/21579.aspx
Selected Publications 2003. Schwankl, L.J. Filtration and Particulate Removal. Chaper in Encyclopedia of Water Science. Marcel Dekker, Inc. Editors, B.A. Smith and T.A.Howell. pg. 289-293. 2003. Schwankl, L., Eagle, A., Frate, C., and B. Nydam. Flow meters tested on dairy lagoon water. California Agriculture. Vol. 57, no. 3, pgs 93-96. 2003. Hanson, B.R., May, D.M., and L.J. Schwankl. Effect of irrigation frequency on subsurface drip irrigated vegetables. HortTechnology. Jan-March. Pg. 115-120. 2001. Fulton, A., R. Buchner, B. Olson, L. Schwankl, C. Giles, N. Bertagnia, J. Walton, K. Shackel. Rapid equilibrium of leaf and stem water potential under field conditions in almonds, walnuts and prunes. HortTechnology 1:609-615. 2001. Schwankl, L. and T. Prichard. Uniform Chemigation in Tree and Vine Microirrigation Systems. DANR Communications Services Publication 21599. 2000. Schwankl, L.J., N.S. Raghuwanshi, and W.W. Wallender. Furrow Irrigation Performance Under Spactially Varying Conditions. ASCE. Journal of Irrigation and Drainage Engineering. November/December 2000. Vol. 26, No. 5 ISSN#0733/00/0006-0361. Pp. 355-361. 2000. Schwankl, L.J., N.S. Raghuwanshi and W.W. Wallender. Time series modeling for predicting spatially variable infiltration. ASCE. Journal of Irrigation and Drainage Engineering 26(5): 283-287. September/October 2000, Vol. 26, No. 5 ISSN#0733-9437. Pp. 283-287. 2000. Meyer, D. and L.J. Schwankl. Liquid dairy manure utilization in a cropping system: A Case Study. Soil Science Society of America. Book Series No. 6, Chapter 14. pp. 409-423.