Vol. 53 No. 2 (1969): Vol. 53, No. 2, April 1969
Vol. 53, No. 2, April 1969

Articles

Alex G. Alexander
81-92
Interrelationships of Nitrate and 6-Azauracil in the Growth, Enzymology, and Sucrose Production of Immature Sugarcane
https://doi.org/10.46429/jaupr.v53i2.11162
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Frank W. Fisk, Rafael Pérez Pérez
93-99
Flight Activity Periods of the Sugarcane Borer, Diatraea saccharalis, in Puerto Rico
https://doi.org/10.46429/jaupr.v53i2.11163
PDF
L. M. Iguina de George, A. L. Collazo de Rivera, J. R. Benero, W. Pennock
100-105
Provitamin A and Vitamin C Contents of Several Varieties of Mango (Mangifera indica L.) Grown in Puerto Rico
https://doi.org/10.46429/jaupr.v53i2.11164
PDF
K. G. Shambulingappa
106-112
Cytomorphological and Sterility Studies in Digitaria polevansii Stent
https://doi.org/10.46429/jaupr.v53i2.11165
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Raúl Pérez Escolar, M. A. Lugo López
113-117
Availability of Moisture in Aggregates of Various Sizes in a Typical Ultisol and a Typical Oxisol of Puerto Rico
https://doi.org/10.46429/jaupr.v53i2.11166
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Raúl Pérez Escolar, M. A. Lugo López
118-123
Sulfur Transformation in a Saline Sodic Soil of the Lajas Valley
https://doi.org/10.46429/jaupr.v53i2.11167
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José Vicente Chandler, Elvin Boneta, Fernando Abruña, Jacinto Figarella
124-131
Effects of Clean and Strip Cultivation, and of Mulching with Grass, Coffee Pulp, and Black Plastic, on Yields of Intensively Managed Coffee in Puerto Rico
https://doi.org/10.46429/jaupr.v53i2.11168
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Lii-Jang Liu
132-139
Occurrence of Rust of Pangola Grass in Puerto Rico
https://doi.org/10.46429/jaupr.v53i2.11169
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R. Alconero, Alma G. Santiago
140-146
Selectivity of Fusarium Culture Filtrates in Agar Media
https://doi.org/10.46429/jaupr.v53i2.11170
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