Now showing items 1-20 of 48

  • 1987 Spray guide for tree fruits in eastern Washington 

    Beers, Elizabeth H. (Elizabeth Hull), 1955-; Covey, Ronald P.; Rom, C. R. (Curt R.); Parker, Robert, 1941-; Askham, Leonard R.; Maxwell, Richard C. (Pullman, Washington : Washington State University. Extension., 1987-01)
  • 1989 Spray guide for tree fruits in eastern Washington 

    Beers, Elizabeth H. (Elizabeth Hull), 1955-; Grove, Gary G.; Williams, Kathleen M., 1951-; Parker, Robert, 1941-; Askham, Leonard R.; Maxwell, Richard C. (Pullman, Washington : Washington State University. Extension., 1989-01)
  • 1990 Spray guide for tree fruits in eastern Washington 

    Beers, Elizabeth H. (Elizabeth Hull), 1955-; Grove, Gary G.; Williams, Kathleen M., 1951-; Parker, Robert, 1941-; Askham, Leonard R.; Maxwell, Richard C. (Pullman, Washington : Washington State University. Extension., 1990-01)
  • 1992 Crop Protection Guide for Tree Fruits in Washington 

    Beers, Elizabeth H. (Elizabeth Hull), 1955-; Grove, Gary G.; Williams, Kathleen M., 1951-; Parker, Robert, 1941-; Askham, Leonard R.; Daniels, Catherine H., 1957- (Pullman, Washington : Washington State University. Extension., 1992-01)
  • 1993 Crop Protection Guide for Tree Fruits in Washington 

    Beers, Elizabeth H. (Elizabeth Hull), 1955-; Grove, Gary G.; Williams, Kathleen M., 1951-; Parker, Robert, 1941-; Askham, Leonard R.; Daniels, Catherine H., 1957-; Maxwell, Ted (Pullman, Washington : Washington State University. Extension., 1993-01)
  • 1994 Crop Protection Guide for Tree Fruits in Washington 

    Beers, Elizabeth H. (Elizabeth Hull), 1955-; Grove, Gary G.; Williams, Kathleen M., 1951-; Parker, Robert, 1941-; Askham, Leonard R.; Daniels, Catherine H., 1957-; Maxwell, Ted; Roberts, Susan (Pullman, Washington : Washington State University. Extension., 1994-01)
  • 2004 Crop Protection Guide for Tree Fruits in Washington 

    Smith, Timothy J. (Timothy Jon); Beers, Elizabeth H. (Elizabeth Hull), 1955-; Dunley, John; Brunner, Jay F.; Grove, Gary G.; Xiao, Chang-Lin; Elfving, Don; Peryea, Frank J.; Parker, Robert, 1941-; Bush, Michael R. (Michael Robert), 1962-; Daniels, Catherine H., 1957-; Maxwell, Ted; Foss, Steven; Martin, Sandra (Pullman, Washington : Washington State University. Extension., 2004-02)
  • Aquatic vegetation management and control 

    Parker, Robert, 1941-; Comes, R. D. (Richard Durward), 1931- (Pullman, Washington : Washington State University. Extension.; Corvallis, Oregon : Oregon State University. Extension Service.; Moscow, Idaho : University of Idaho. Extension.; Washington, D.C. : U.S. Dept. of Agriculture., 2005)
  • Blackberry control with systemic herbicides. 

    Peabody, Dwight V.; Parker, Robert, 1941- (Pullman, Washington : Washington State University. Extension., 1991-12)
  • Canada thistle control 

    Parker, Robert, 1941-; Griffin, James H. (Pullman, Washington : Washington State University. Extension., 1981-03)
  • Central irrigated Washington weed control guide 

    Parker, Robert, 1941-; Ogg, Alex G. (Pullman, Washington : Washington State University. Extension., 1984-02)
  • Chemical Control for Woody Plants, Stumps and Trees 

    Howard, Stott W. (Stott Willie), 1957-; Parker, Robert, 1941- (Pullman, Washington : Washington State University. Extension., 1995-09)
    Primarily for applicators. Methods and chemicals for killing unwanted trees and keeping stumps and roots from sprouting. Most chemicals listed not available to homeowners. Clear and concise. Explains risks of treatment ...
  • Chemical Weed Control for Home Grounds 

    Pinyuh, George; Parker, Robert, 1941- (Pullman, Washington : Washington State University. Extension., 1998-07)
    Outlines four methods of chemical application, by application method and effect on plants. 1) selective herbicides--foliar use: lawn weeds, weed grasses; 2) selective herbicides--preemergent soil use: annual bluegrass, ...
  • Chemical weed control in asparagus 

    Parker, Robert, 1941- (1980-09)
  • Chemical weed control in potatoes 

    Parker, Robert, 1941- (Pullman, Washington : Washington State University. Extension., 1981-04)
  • Control of aquatic weeds 

    Parker, Robert, 1941-; Comes, R. D. (Richard Durward), 1931- (Pullman, Washington : Washington State University. Extension., 1984-02)
  • Control of aquatic weeds 

    Parker, Robert, 1941-; Comes, R. D. (Richard Durward), 1931- (Pullman, Washington : Washington State University. Extension., 1987-02)
  • Control of aquatic weeds 

    Parker, Robert, 1941-; Comes, R. D. (Richard Durward), 1931- (Pullman, Washington : Washington State University. Extension., 1989-01)
  • Control of volunteer crop plants 

    Ogg, Alex G.; Parker, Robert, 1941- (Pullman, Washington : Washington State University. Extension., 2000-02)
    When crop plants show up in other crops' fields they are weeds. Here is a brief overview of control strategies, and controlling specific volunteer crops to maximize profits. NOTE: Check the label before using any chemical ...