1990 Comparison of Efficiency of Potassium Application Methods to Walnuts Including Injection and Distribution Through Sprinklers Olson, Bill, K. Uriu, J. Pearson. 1990.
1989 Comparison of Efficiency of Potassium Application Methods to Walnuts Including Injection and Distribution Through Sprinklers Olson, Bill, K. Uriu, J. Pearson. 1989.
1988 Comparison of Efficiency of Potassium Application Methods to Walnuts Including Injection and Distribution Through Sprinklers Olson, Bill, K. Uriu, J. Pearson. 1988.
1987 Copper Deficiency in Walnuts Corrective and Investigative Olson, Bill, K. Uriu, J. Pearson. 1987.
1987 Comparison of Efficiency of Potassium Application Methods to Walnuts Including Injection and Distribution Through Sprinklers Olson, Bill, K. Uriu, Herb Schulbach, J. Pearson. 1987.
1986 Comparison of Efficiency of Potassium Application Methods to Walnuts Including Injection and Distribution Through Sprinklers Olson, Bill, K. Uriu, Herb Schulbach, J. Pearson. 1986.
