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.
