Vol. 48 No. 1 (1964): Vol. 48, No. 1, January 1964

Vol. 48 No. 1 (1964)

Published January 1, 1964
https://doi.org/10.46429/jaupr.v48i1
Vol. 48, No. 1, January 1964

Articles

Abdul R. Rahman, J. Anziani, J. R. Cruz-Cay
1-12
Factors Affecting the Stability of Vitamin C in Tropical Fruit Juices and Nectars
PDF
Niilo Virkki
13-16
The Chromosomes of Chironja
PDF
E. Hernández-Medina
17-24
Magnesium an Important Nutrient in Pineapple Production in a Bayamón Sandy Clay
PDF
Jaime González Ibáñez
25-31
The Use of Preemergence Herbicides for Weed Control Around Young Coffee Seedlings
PDF
L. Calpouzos, C. Colberg, A. Riollano, C. Ramos, T. Theis
32-38
The Control of the Sigatoka Disease of Bananas by Oil-Spray Schedules Based on Rainfall Data
PDF
María del C. C. Fernández
39-48
Variation in the B-Carotene and Ascorbic Acid Contents of Lettuce and Carrots as Influenced by Seasonal Changes in Puerto Rico
PDF
M. Rico Ballester, G. Samuels, J. López García
49-54
Fertilizer Trials with Tomatoes and Cucumbers in Puerto Rico
PDF
H. Azzam, G. Samuels
55-59
Yields of Tomatoes As Influenced By Application of Filter-Press Cake and Starter Solutions
PDF
George C. Jackson, Josefina Rivera Núñez
60-62
Identification of Silica Present in the Giant-Reed (Arundo donax L.)
PDF
Ismael Carlo, C. L. Arcelay
63-65
Studies on Early Weaning of Pigs
PDF

Research Notes

José Adsuar
66-66
PRESENCE OF TOMATO AUCUBA-MOSAIC VIRUS IN PUERTO RICO
PDF
Silverio Medina Gaud
67-67
A GENUS AND TWO SPECIES OF INSECTS NEW FOR PUERTO RICO
PDF
Silverio Medina Gaud
68
TWO NEW MITES REPORTED FROM PUERTO RICO
PDF