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Biological control quarantine : needs and procedures : proceedings of a workshop
Control of certain ditchbank weeds on irrigation systems
Research in plant transpiration, 1961
Estimating cost of production on tobacco-cotton farms in the coastal plain of North Carolina
Summary of activities fiscal year 1963, Plant Quarantine Division
A working plan for forest lands in Berkeley County, South Carolina
A short discussion of some scales affecting shade trees and hardy shrubs
General information on scale insects that attack shade trees and hardy shrubs
Plant explorations : ornamentals in the Netherlands, West Germany, and Belgium
A survey of pears, nuts, and other fruit clones in the United States
