THE EFFECT OF SEASON ON THE PROPAGATION OF DERRIS AND LONCHOCARPUS Authors R.H. Hageman Federal Experiment Station, Office of Experiment Stations, United States Department of Agriculture, Mayaguez, P.R. C. Pagan Federal Experiment Station, Office of Experiment Stations, United States Department of Agriculture, Mayaguez, P.R. Downloads Requires Subscription or Fee PDF (USD 25) Issue Volume 27 Number 3 Section Research Papers