Vol. 53 No. 4 (1969): Vol. 53, No. 4, October 1969

Vol. 53 No. 4 (1969)

Published October 1, 1969
https://doi.org/10.46429/jaupr.v53i4
Vol. 53, No. 4, October 1969

Articles

Teh-ling Chu, J. L. Serapión
221-229
Effect of Certain Climatic Factors on Flowering of Sugarcane at Gurabo, Puerto Rico
https://doi.org/10.46429/jaupr.v53i4.11138
PDF
Alex G. Alexander, Rafael Montalvo-Zapata
230-250
Enzyme Studies of Sucrose Decline in Sugarcane Desiccated with Paraquat
https://doi.org/10.46429/jaupr.v53i4.11139
PDF
Rubén Caro Costas, José Vicente-Chandler
251-258
Milk Production with All-Grass Rations from Steep, Intensively Managed Tropical Pastures
https://doi.org/10.46429/jaupr.v53i4.11140
PDF
José Vicente-Chandler, Servando Silva, Fernando Abruña
259-267
A New Low-Cost Method of Harvesting Coffee in High-Yielding Plantations
https://doi.org/10.46429/jaupr.v53i4.11141
PDF
Servando Silva, José Vicente-Chandler, Fernando Abruña
268-273
Field Losses of Coffee and Improved Harvesting Methods for Intensively Managed Plantations
https://doi.org/10.46429/jaupr.v53i4.11142
PDF
F. Sánchez Nieva, I. Hernández, C. Bueso de Viñas
274-283
Ripening of Montecristo Bananas
https://doi.org/10.46429/jaupr.v53i4.11143
PDF
F. Sánchez Nieva, G. Colom Covas, I. Hernández, C. Bueso de Viñas, R. Guadalupe
284-306
Studies on the Production of the Montecristo Banana Grown on the South Coast of Puerto Rico
https://doi.org/10.46429/jaupr.v53i4.11144
PDF
F. Sánchez Nieva, G. Colom Covas, I. Hernández, R. Guadalupe, C. Bueso de Viñas, A. Torres
307-328
Studies on the Production of the Montecristo Banana Grown on the Adjuntas Region of Puerto Rico
https://doi.org/10.46429/jaupr.v53i4.11145
PDF
G. Rosado-Carbó, C. M. Berrocal, J. D. Rivera-Anaya, L. A. Lefebre, I. Carlo
329-337
The Effect of Estrogen in the Elimination of Sexual Odor And on Growth and Carcass Characteristics in Boars
https://doi.org/10.46429/jaupr.v53i4.11146
PDF
David J. van Rest
338-347
Evaluation of A Portable Brush-Cutter for Harvesting Sugarcane
https://doi.org/10.46429/jaupr.v53i4.11147
PDF
Julián Roldán Regús
348-356
Cobalt and Copper Contents of Some Tropical Soils and Grasses from Puerto Rico
https://doi.org/10.46429/jaupr.v53i4.11148
PDF
E. Hernández-Medina
357-368
Further Evidence on the Need of Magnesium for Pineapple in Oxisols
https://doi.org/10.46429/jaupr.v53i4.11149
PDF
M. A. Lugo-López, Raúl Pérez-Escolar
369-373
Attempts to Explain the Variability in the Cation-Exchange Capacity of Soils in Terms of Particle Size and Organic-Matter Levels
https://doi.org/10.46429/jaupr.v53i4.11150
PDF

Research Notes

D. J. van Rest
374-375
RAPID DRYING OF PARCHMENT COFFEE IN UNSTIRRED BINS
https://doi.org/10.46429/jaupr.v53i4.11151
PDF