Page:Report of the Puerto Rico Experiment Station (IA CAT31294391015).pdf/29

 *,, and 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:

sobre el kudzu tropical. Hacienda 43 (7):50 illus. 1948.
 * Federal Experiment Station in Puerto Rico. In Rev. Azucarera, pp. 23-25, 59., illus. San Juan, P. R. 1948.
 * USDA-34, A sweet corn for the Tropics. Sugar Jour. 11 (9): 27-28. 1949.
 * Rapid method for extracting constituents of Derris roots. Analyt. Chem. 21: 530. 1949.
 * Puerto Rico's Christmas tree. N, Y. Bot. Gard. Jour. 49 (588): 284-287, illus. 1948.
 * Coir dust or cocopeat—a byproduct of the coconut. Econ. Bot. 3: 42-45, illus. 1949.
 * , and {{sc|Winters, H. F. The "palo de tomate" or tree tomato. Econ. Bot. 3: 140-142, illus. 1949.
 * , and {{sc|Pagaán, C.}} Determination of rotenone in small samples. Assoc. Off. Agr. Chem. Jour. 31: 684-687, illus. 1948.
 * {{sc|Leonard, O. A.}}, {{sc|Loustalot, A. J.}}, and {{sc|Ferrer, R.}} Progress report on weed control experiments in Puerto Rico. In South. Weed Conf. Proc., Stoneville, Miss., pp. 7-10b. June 10, 1948.
 * {{sc|Loustalot, A, J.}}, and {{sc|Cernuda, C.}} Experimentos de la curación de la vainilla en Puerto Rico. Hacienda 43 (12): 50-51, illus. 1948.
 * {{sc|Loustalot, A. J.}} and {{sc|Cernuda, C.}} Effect of tropical kudzu on yield and composition of forage grasses. Trop, Agr, [Trinidad] 25 (12):41-44. 1949.
 * {{sc|Loustalot, A. J.}}, and {{sc|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.
 * {{sc|Loustalot, A. J.}}, and {{sc|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.
 * {{sc|Loustalot, A. J.}}, and {{sc|Ferrr, Delgado R.}} Summary of a discussion on weed control experiments in sugarcane. In Rev. Azucarera, p. 37. San Juan, P. R. 1948.
 * The use of guppies in the toxicological assay of Derris and Lonchocarpus roots. Jour. Econ. Bot. 41: 942-945. 1948.
 * {{sc|Pagán, C.}}, and The evaluation of rotenone in Derris elliptica on the basis of total chloroform extractives. Assoc. Off, Agri. Chem. Jour. 32: 143-146. 1949.
 * {{sc|Telford, E. A.}}, {{sc|Loustalot, A. J.}}, {{Sc|Childers, N. F.}}, and {{Sc|Hume, E. P.}} Más datos
 * {{sc|Warmke, H. E.}}, and {{sc|Cruzado, H. J.}} The flowering and seed-setting of sweet-potatoes in Puerto Rico. Science 109 (2821): 62-63.
 * {{sc|White, D. G., Pagán, C.}}, and {{sc|Mangual, J. C.}} The effect of mulching Derris elliptica. Trop. Agr. [Trinidad] 24: 131-186, illus. 1947.
 * {{sc|Winters, H. F.}} Native orchids of Puerto Rico. Amer. Orchid Soc. Bul. 18: 355-361, illus. 1949.