1980 Pruning vs Tree Thinning of Close Planted Hartleys Holmberg, D.H., D.E. Ramos, K. Ryugo, R. Snyder. 1980.
1979 Pruning Vs Whiskbrooming of Close Planted Hartleys Ramos, D.E., D.H. Holmberg, R.G. Snyder. 1979.
1977 Behavior of Walnut Spurs Under Sun and Shade Ramos, D., B. Marangoni, R. Snyder, D. Holmberg, K. Ryugo. 1977.
1976 Blackline - Etiological Studies Mircetich, S.M., W. Moller, D. Ramos, M. Matheron, H. Forde, R. Sanborn, L. Hendricks, D. Holmberg, W. Schreader, S. Sibbett. 1976.
1981 Weed Control in Walnuts Snyder, R.G., D.M. Holmberg, W.H. Olson, J.W. Osgood, C.L. Elmore. 1981.
1980 Weed Control in Walnuts Snyder, R.G., D.M. Holmberg, W.H. Olson, J.W. Osgood, C.L. Elmore. 1980.
1979 Weed Control in Walnuts Elmore, C.L., R.G. Snyder, D.M. Holmberg, W.H. Olson, J.W. Osgood. 1979.