1994 Yield Comparison Following Various Hedging an Hand Pruning Techniques Olson, Bill, Dave Ramos, Ron Snyder. 1994.
1993 Yield Comparison Following Various Hedging and Hand Pruning Techniques Olson, Bill, Dave Ramos, Ron Snyder. 1993.
1992 Yield Comparison Following Various Hedging and Hand Pruning Techniques Olson, Bill, Dave Ramos, Ron Snyder. 1992.
1991 Pruning Serr Walnuts-An Attempt to Reduce Catkin Load and PFA Olson, Bill, Dave Ramos, Ron Snyder. 1991.