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April-June 2015

Cover: A field of tomatoes is irrigated with groundwater at the Russell Ranch Sustainable Agriculture Facility near UC Davis. California’s prolonged drought is driving major increases in groundwater extraction in the state’s agriculture regions. UC researchers are investigating new ways to recharge aquifers (page 75). Photo by Will Suckow.

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California Agriculture, April-June 2015

Volume 69, Number 2
Water: New approaches to aquifer recharge

Peer-reviewed Research and Review Articles

Soil suitability index identifies potential areas for groundwater banking on agricultural lands
by A.T. O'Geen, Matthew B.B. Saal, Helen Dahlke, David Doll, Rachel Elkins, Allan Fulton, Graham Fogg, Thomas Harter, Jan W. Hopmans, Chuck Ingels, Franz Niederholzer, Samuel Sandoval Solis, Paul Verdegaal, Mike Walkinshaw
pp75-84 , doi#10.3733/ca.v069n02p75
Summary | Expanded Abstract | HTML w/Links | PDF

Regional identity can add value to agricultural products
by Bradley C. Christensen, Martin Kenney, Donald Patton
pp85-91 , doi#10.3733/ca.v069n02p85
Summary | Expanded Abstract | HTML w/Links | PDF

Scientific literacy: California 4-H defines it from citizens' perspective
by Martin H. Smith, Steven M. Worker, Andrea P. Ambrose, Lynn Schmitt-McQuitty
pp92-97 , doi#10.3733/ca.v069n02p92
Summary | Expanded Abstract | HTML w/Links | PDF

WIC fruit and vegetable vouchers: Small farms face barriers in supplying produce
by Shermain Hardesty, Penny Leff, Aziz Baameur, Jose Luis Aguiar, Manuel Jimenez, Yelena Zeltser, Lucia Kaiser
pp98-104 , doi#10.3733/ca.v069n02p98
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UCCE efforts improve quality of and demand for fresh produce at WIC A-50 stores
by Lucia L. Kaiser, Cathi Lamp, Chutima Ganthavorn, Lucrecia Farfan-Ramirez, Maya Behar, Marita Cantwell, Shermain Hardesty
pp105-109 , doi#10.3733/ca.v069n02p105
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Network-smart extension could catalyze social learning
by Matthew Hoffman, Mark Lubell, Vicken Hillis
pp113-122 , doi#10.3733/ca.E.v069n02p113
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Howard walnut trees can be brought into bearing without annual pruning
by Bruce D. Lampinen, John P. Edstrom, Samuel G. Metcalf, William L. Stewart, Claudia M. Negron, M. Loreto Contador
pp123-128 , doi#10.3733/ca.E.v069n02p123
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Editorial, News, Letters and Science Briefs

EDITORIAL: Sustaining the promise of the land-grant university system
by Barbara Allen-Diaz
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UC ANR Cooperative Extension grows citizen scientists
by Rose Hayden-Smith, Yana Valachovic, Brendan Twieg
HTML w/Links | PDF

Barbara Allen-Diaz: A career applying research to solve California's problems
by Ann Senuta
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General Information

About California Agriculture
by Editor
pp66 HTML w/Links | PDF

Coming up in California Agriculture
pp112 HTML w/Links | PDF