• 1985 Missouri commercial apple spray schedule 

    Shaffer, W. H.; Palm, E. W.; Craig, W. S.; Gaus, A. E.; Warmund, Michele; Moore, J. F.; Townsend, H. (University of Missouri--Columbia. Extension Division, 1985)
    "These recommendations are intended to serve as guidelines for commercial apple growers in Missouri. The pesticides rates listed for any given pest problem are based on their effectiveness, economy, safety and general ...