1-4 of 4 Books

Effects of application rate and timing of ethephon treatments on abscission of ponderosa pine dwarf mistletoe 4 years following treatment
By D.W. Johnson

Effects of application rate and timing of ethephon treatments on abscission of ponderosa pine dwarf mistletoe
By D.W. Johnson

Effects of six nematicides and two fungicides, applied in various combinations, on peanuts
By N.A. Minton

Effects of application rate and timing of ethephon treatments on abscission of ponderosa pine dwarf mistletoe two years following treatment
By D.W. Johnson