• 1967 suggestions for spraying commercial grape vineyards 

    Enns, W. R.; Tweedy, B. G.; Swartwout, H. G. (University of Missouri--Columbia. Extension Division, 1967)
    Information for commerical grape vineyards, including spray programs, quantities of sprays to apply, when to spray, and general pest information. Written for application in Missouri in 1967.