Herbicide evaluation in black cottonwood grown for biomass production von Libbey, C.R, Howard, S.W

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Cucumber herbicide evaluation von Howard, S.W. (Washington State University, Mount Vernon, WA), Libbey, C.R, Hall, E.R

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Effects of herbicides on ornamental bulb yield von Howard, S.W. (Washington State University, Mount Vernon, WA), Libbey, C.R, Hall, E.R

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