1989 First Year Effects of Controlled Deficit Irrigation of Walnut Tree Performance Goldhamer, D.A. 1989.
2004 Irrigation Management as a Tool to Stabilize and Revitalize a Declining ‘Chandler’ Orchard Lampinen, Bruce, Janine Hasey, Samuel Metcalf, Valerie Gamble 2004.
2009 Water Management Studies in Four Young Lake County Walnut Orchards Elkins, Rachel, Daniel Suenram, Samuel Metcalf, Bruce Lampinen 2009.
2007 Assessing Irrigation-Related Problems for a Hillside Orchard in Lake County Lampinen, Bruce, Rachel Elkins, Steve D’Agostini, Samuel Metcalf 2007.
2006 Assessing Irrigation-Related Problems in Hillside Orchards in Lake County Lampinen, Bruce, Rachel Elkins, Steve D’Agostini, Sam Metcalf 2006.
2005 Assessing Irrigation-Related Problems in Hillside Orchards in Lake County Lampinen, Bruce, Rachel Elkins, Steve D’Agostini, Sam Metcalf 2005.
1991 Effects of Post-Drought Year Pruning on the Recovery of Walnuts Goldhamer, D.A., R. Beede, S. Sibbett, D. Ramos, F. Van Brocklin, J. Doyle. 1991.
1991 Walnut Orchard Recovery Following a Single Drought Year Goldhamer, D.A., R. Beede, S. Sibbett, D. Ramos, F. Van Brocklin. 1991.
1990 Second Year Recovery of Hedgerow Walnuts from Sustained Deficit Irrigation Goldhamer, D.A., R. Beede, S. Sibbett, D. Ramos, D. Katayama. 1990.