REPORT OF FEDERAL EXPERIMENT STATION IN PUERTO RICO, 1949
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- White, D. G., Pagán, C., and Jones, M. A. Production of Derris elliptica in relation to type of cutting and age at harvest. Jour. Agr. Res. 77 (1): 13-24. 1948.
The following articles were published by the station staff in periodicals outside the Department:
- Bartlett, K. A. Federal Experiment Station in Puerto Rico. In Rev. Azucarera, pp. 23-25, 59., illus. San Juan, P. R. 1948.
- Bartlett, K. A. USDA-34, A sweet corn for the Tropics. Sugar Jour. 11 (9): 27-28. 1949.
- Hageman, R. H. Rapid method for extracting constituents of Derris roots. Analyt. Chem. 21: 530. 1949.
- Hume, E. P. Puerto Rico's Christmas tree. N, Y. Bot. Gard. Jour. 49 (588): 284-287, illus. 1948.
- Hume, E. P. Coir dust or cocopeat—a byproduct of the coconut. Econ. Bot. 3: 42-45, illus. 1949.
- Hume, E. P., and {{sc|Winters, H. F. The "palo de tomate" or tree tomato. Econ. Bot. 3: 140-142, illus. 1949.
- Jones, M. A., and Pagaán, C. Determination of rotenone in small samples. Assoc. Off. Agr. Chem. Jour. 31: 684-687, illus. 1948.
- Leonard, O. A., Loustalot, A. J., and Ferrer, R. Progress report on weed control experiments in Puerto Rico. In South. Weed Conf. Proc., Stoneville, Miss., pp. 7-10b. June 10, 1948.
- Loustalot, A, J., and Cernuda, C. Experimentos de la curación de la vainilla en Puerto Rico. Hacienda 43 (12): 50-51, illus. 1948.
- Loustalot, A. J. and Cernuda, C. Effect of tropical kudzu on yield and composition of forage grasses. Trop, Agr, [Trinidad] 25 (12):41-44. 1949.
- Loustalot, A. J., and Ferrr, R. Harvest results in a chemical weed control experiment in sugarcane. In South. Weed Conf. Proc., Stoneville, Miss., pp. 10 (a)-10 (b). June 10, 1948.
- Loustalot, A. J., and Ferrr, R. The effect of temperature on the persistence of sodium pentachlorophenate in the soil. In South. Weed Conf. Troc., La. State Univ., Baton Rouge, L.a., pp. 55-58. March 1949.
- Loustalot, A. J., and Ferrr, Delgado R. Summary of a discussion on weed control experiments in sugarcane. In Rev. Azucarera, p. 37. San Juan, P. R. 1948.
- Pagán, C. The use of guppies in the toxicological assay of Derris and Lonchocarpus roots. Jour. Econ. Bot. 41: 942-945. 1948.
- Pagán, C., and White, D. G. The evaluation of rotenone in Derris elliptica on the basis of total chloroform extractives. Assoc. Off, Agri. Chem. Jour. 32: 143-146. 1949.
- Telford, E. A., Loustalot, A. J., Childers, N. F., and Hume, E. P. Más datos
sobre el kudzu tropical. Hacienda 43 (7):50 illus. 1948.
- Warmke, H. E., and Cruzado, H. J. The flowering and seed-setting of sweet-potatoes in Puerto Rico. Science 109 (2821): 62-63.
- White, D. G., Pagán, C., and Mangual, J. C. The effect of mulching Derris elliptica. Trop. Agr. [Trinidad] 24: 131-186, illus. 1947.
- Winters, H. F. Native orchids of Puerto Rico. Amer. Orchid Soc. Bul. 18: 355-361, illus. 1949.
