Intermountain Research and Extension Center
Intermountain Research and Extension Center
Intermountain Research and Extension Center
University of California
Intermountain Research and Extension Center

Alfalfa Projects

UC Alfalfa Workgroup

For information from the UC Alfalfa Workgroup, please click here

2016

Western Alfalfa and Forage Symposium

Link to videos and slide presentations form the 2016 Western Alfalfa & Forage Symposium here.

Pest Management Workshop

Link to videos and slide presentations from the 2016 Western Alfalfa & Forage Symposium Pest Management Workshop here.

2015

California Alfalfa Variety Trial Yield Results

Dan Putnam, Forage Specialist, UC Davis; Craig Giannini, Staff Research Associate, UC Davis; Francisco Maciel, Staff Research Associate, DREC, El Centro; Steve Orloff, County Director/Farm Advisor, UCCE-Siskiyou, Yreka; Darrin Culp, Supt. of Agriculture, IREC, Tulelake; Chris DeBen, Staff Research Associate, UC Davis; Dale Pattigan, Staff Research Associate, KREC, Parlier.  For more information on this project, please click here.

Alfalfa Contributes More Nitrogen to Following Crop Than Previously Thought

Eric Lin, Graduate Student, Dept. of Plant Sciences, UC Davis; Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis; Stu Pettygrove, Emeritus CE Specialist in Soils, Dept. of Land, Air and Water Resources, UC Davis; Mark Lundy, UCCE Farm Advisor, Colusa-Sutter-Yuba Counties, Colusa; Steve Orloff, UCCE County Director/Farm Advisor, Siskiyou County, Yreka; Steve Wright, UCCE Farm Advisor, Tulare and Kings Counties, Tulare.  For more information on this project, please  click here.

Recent Developments in Alfalfa Weed Control: Glyphosate-Induced Injury in RR Alfalfa and Sharpen Herbicide

Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Rob Wilson, Center Director/Farm Advisor, IREC.  For more information on this project, please click here.

Management Options for Blue Alfalfa Aphids in California Alfalfa

Larry Godfrey, Entomology Specialist, Dept. of Entomology & Nematology, UC Davis; Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Eric Natwick, UCCE Entomology Advisor, Imperial County, Holtville; Rachael Long, UCCE Field Crops Advisor, Yolo County, Woodland.  For more information on this project, please click here

Developing an IPM Program for Controlling Pocket Gophers and Voles in California

Roger A. Baldwin, UCCE Wildlife Specialist, Dept. of Wildlife, Fish & Conservation Biology, UC Davis.  For more information on this project, please click here.

2014

Sampling Considerations for Detection of Genetically Engineered (GE) Traits in Alfalfa Hay

Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on this project, please click here.

The Future of Forage Quality Testing for Markets

Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on this project, please click here.

Deficit Irrigation of Alfalfa and Grasses: What Are the Impacts/Options?

Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Khaled Bali, Farm Advisor, Imperial County, Holtville; Dan Putnam, Forage Speciailist, Dept. of Plant Sciences, UC Davis.  For more information on this project, please click here.

Weed Management in Alfalfa; Where We've Been and Where We're Going

Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Barry Tickes, Cooperative Extension Area Agent & Directory, La Pax County, AZ.  For more information on this project, please click here.

2013

Key Practices for Alfalfa Stand Establishment

Dan Putnam, Alfalfa and Forage Specialist, Plant Sciences Dept, UC, Davis; Shannon Meuller, UCCE Fresno County; Carol Frate, UCCE Tulare County; Mick Canevari, UCCE Siskiyou County; Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka.  For more information on this project, click here

Standardizing Forage Quality and Testing Across Markets

Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on the project, please click here.

Diagnosing Problems in the Field

Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Steve Norberg, Regional Forage Specialist, WSU, Pasco, WA; Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on this project, please click here.

An Update on Tools for Effective Management of Pocket Gophers in Alfalfa

Roger Baldwin, UCCE Wildlife Specialist, Dept. of Wildlife, Fish & Conservation Biology, UC Davis; Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Ryan Meinerz, Staff Research Associate, Dept. of Wildlife, Fish & Conservation Biology, UC Davis.  For more project information, please click here.

2012

Key Practices for Alfalfa Stand Establishment

Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis; S.C. Miller, UCCE Fresno County, C.A. Frate, UCCE Tulare County, Mick Canevari, UCCE Siskiyou County; and Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka.  For more information on this project, please click here.

Strategies for the Improvement of Water-Use Efficient Irrigated Alfalfa Systems

Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on this project, click here.

Alfalfa Harvest Management Principles

Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on this project, please click here.

2011

Linking Markets With Forage Quality

Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on this project, please click here.

Developing an IPM Program for Controlling Pocket Gophers and Voles in Alfalfa

Roger Baldwin, UCCE Wildlife Pest Management Advisor, Statewide IPM Program, KREC, Palier.  For more information on this project, please click here.

RoundUp Ready Alfalfa - What Have We Learned To Date?

Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on this project, please click here.

Grower Attitudes About Roundup-Ready Alfalfa

Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis; Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka.  For more information on this project, please click here.

2010

Estimating the Economic Value of Alfalfa Variety Selection

Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis; Andre Biscaro, UCCE Farm Advisor, Los Angeles County, Lancaster; Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; C. Giannini, UC Davis; Chris DeBen, UC Davis; and Karen Klonsky, Specialist in Cooperative Extension, Agricultural & Resource Economics, UC Davis.  For more information on this project, please click here.

Changing Forage Quality Testing for Alfalfa Hay Markets

Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on this project, please click here.

Adjusting Alfalfa Cutting Schedules for Economic Conditions

Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more information on this project, please click here.

2009

Reducing Inputs to Improve Profits:Good or Bad?

Steve Orloff, County Director/Farm Advisor, Siskiyou County, Yreka; Dan Putnam, Forage Specialist, Dept. of Plant Sciences, UC Davis.  For more in formation on this project, please click here.

2004

Deficit Irrigation Strategies to Maximize Alfalfa Returns

Steve Orloff,Farm Advisor, UC Cooperative Extension, Siskiyou County, Yreka, California; Harry L. Carlson, Superintendent/Farm Advisor, University of California Intermountain Research & Extension Center, Tulelake, California; Donald Kirby, Principal Superintendent of Agriculture, University of California Intermountain Research & Extension Center, Tulelake, California; Dan Putnam, Extension Agronomist, Department of Plant Sciences, University of California, Davis, California; Blaine Hanson, Irrigation and Drainage Specialist, College of Agricultural & Environmental Sciences, University of California, Davis, California.  For more project information, please click here

Cutting Management Strategies for Established Alfalfa

Steve Orloff, Farm Advisor, UC Cooperative Extension, Siskiyou County, Yreka, California; Harry L. Carlson, Superintendent/Farm Advisor, University of California Intermountain Research & Extension Center, Tulelake, California; Donald Kirby, Principal Superintendent of Agriculture, University of California Intermountain Research & Extension Center, Tulelake, California; Dan Putnam, Extension Agronomist, Department of Plant Sciences, University of California, Davis, California.  For more project information, please click here

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