41
Material Type:
Recurso Textual
Proceedings, 22nd Annual Meeting, Aquatic Plant Control Research Program: 16-19 November 1987, Portland, Oregon
Army ; Meeting ; Environmental Laboratory (U.S. Army Engineer Waterways Experiment Station) ; Corps of Engineers ; United States ; Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station) ; 22nd : 1987 : Portland, Or.
Springfield, Va: Environmental Laboratory U.S. Army Engineer Waterways Experiment Station 1988
Sem texto completo
42
Material Type:
Recurso Textual
Impact of augmented field populations of Arzama densa larvae on waterhyacinth
Cofrancesco, Alfred F
Springfield, Va: available from NTIS 1982
Sem texto completo
43
Material Type:
Recurso Textual
Exploration for natural enemies of Hydrilla verticillata in eastern Africa: final report
Pemberton, Robert W
Springfield, Va: available from National Technical Information Service 1980
Sem texto completo
44
Material Type:
Recurso Textual
US Department of Agriculture/Corps of Engineers cooperative aquatic plant control research--Annual report for FY 1983: Chemical control technology
Van, Thai K ; Steward, Kerry K ; Jones, Ann O ; Conant, Richard D
Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; A-85-3, 1985
Springfield, Va.: U.S. Army Engineer Waterways Experiment Station
Sem texto completo
45
Material Type:
Ata de Congresso
Proceedings, Research Planning Conference on the Aquatic Plant Control Program, 19-22 October 1976, Atlantic Beach, Fla: final report
Waterways Experiment Station (U.S.) ; Army ; Corps of Engineers ; United States ; Defense Documentation Center (U.S.)
Vicksburg, Miss: U.S. Army Engineer Waterways Experiment Station 1977
Sem texto completo
46
Material Type:
Recurso Textual
summary review of investigations on alligatorweed and its control
Weldon, Lyle W
Ft. Lauderdale, Florida: USDA, Agricultural Research Service, Crops Research Division 1960
Sem texto completo