Fumigation of citrus trees
Woglum, R.S.
Fumigation of citrus trees - Washington 1911 - 1-81 p. - Fumigation, CitrusTrees United States Department of Agriculture, Bureau of Entomology. Bulletin No. 90, Part I .
Fumigation of citrus trees - Washington 1911 - 1-81 p. - Fumigation, CitrusTrees United States Department of Agriculture, Bureau of Entomology. Bulletin No. 90, Part I .