1980 Pistillate Flower Abscission - 1980 Catlin, P.B., D.E. Ramos, L.B. Fitch, W.H. Olson, V. Polito, G.S. Sibbett, L.C. Hendricks. 1980.
1979 Walnut Pistillate Flower Abscission Catlin, P.B., D.E. Ramos, L.B. Fitch, W.H. Olson, V. Polito, J.W. Osgood, G.S. Sibbett, L.C. Hendricks, F. Yoshikawa. 1979.
1982 Pistillate Flower Drop; Its Probable Bases with Respect to Shading and Poor Nutrition and a Tentative Recommendation for Future Plantings Ryugo, Kay, David E. Ramos, R.M. Carlson, G.A. Lombardi, A. Prataviera, William Olson, Steven Sibbett. 1982.
2006 Retain Applications on Tehama County ‘Chandler’ Walnuts Buchner, Richard P, Allan Fulton, Cyndi K. Gilles, Kari Resch 2006.
1999 Foliar Boron Application to Decrease PFA, Increase Fruit Set and Yield in Walnut Brown, Patrick H., Slavko Perica, Lonnie Hendricks, Kathy Kelley, Joe Grant, Steve Sibbett, Hening Hu. 1999.
1998 Foliar Boron Application to Decrease PFA, Increase Fruit Set and Yields in Walnut Brown, Patrick H. 1998.
