September-October 1992

Cover: Despite the intent of the 1986 Immigration Reform and Control Act (IRCA), California farmers continue to rely on new immigrants for most field labor needs. Photo by Jack Kelly Clark

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California Agriculture, September-October 1992

Volume 46, Number 5
Most seasonal farm work still goes to new arrivals

peer-reviewed research articles

Effects of immigration reform not as expected: California farmers still rely on new immigrants for field labor
by J. Edward Taylor , Dawn Thilmany
pp4-6, doi#10.3733/ca.v046n05p4
Summary | Expanded Abstract | HTML w/Links | PDF

Whitefly invasion in Imperial Valley costs growers, workers millions in losses
by Refugio A. Gonzalez , George E. Goldman , Eric T. Natwick , Howard R. Rosenberg , James I. Grieshop , Stephen R. Sutter , Tad Funakoshi , Socorro Davila-Garcia
pp7-8, doi#10.3733/ca.v046n05p7
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Cracks in irrigated clay soil may allow some drainage
by Mark E. Grismer
pp9-11, doi#10.3733/ca.v046n05p9
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Pay method affects vineyard pruner performance
by Gregory E. Billikopf , Maxwell V. Norton
pp12-13, doi#10.3733/ca.v046n05p12
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Income risk varies with what you grow, where you grow it
by Steven C. Blank
pp14-16, doi#10.3733/ca.v046n05p14
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“Residue-free” tomatoes? Bush tomatoes show very low levels of pesticide residues
by Frank V. Sances , Nick C. Toscano , Lyle K. Gaston
pp17-20, doi#10.3733/ca.v046n05p17
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Before-and-after tests on emitters show organic fertilizers can be injected through low-volume irrigation systems
by Lawrence J. Schwankl , Glenn McGourty
pp21-23, doi#10.3733/ca.v046n05p21
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Cost comparison: engines vs. electric motors for irrigation pumping
by Robert G. Curley , Gerald D. Knutson
pp24-26, doi#10.3733/ca.v046n05p24
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Gophers love oak — to death
by Theodore E. Adams , William H. Weitkamp
pp27-29, doi#10.3733/ca.v046n05p27
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Environmental factors contribute to acorn quality: Elevation, on- or off-tree collection influence the viability of blue oak acorns
by Ralph L. Phillips
pp30-32, doi#10.3733/ca.v046n05p30
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editorial, news, letters & science briefs

EDITORIAL: Food safety: a matter of fact
by John E. Kinsella
pp2, doi#10.3733/ca.v046n05p2
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