Vol. 49 No. 4 (1965)

Published October 1, 1965

https://doi.org/10.46429/jaupr.v49i4

Vol. 49, No. 4, October 1965

Articles

Roberto Vázquez

389-412

Effects of Irrigation and Nitrogen Levels on the Yields of Guinea Grass, Para Grass, and Guinea Grass-Kudzu and Para Grass-Kudzu Mixtures in Lajas Valley

https://doi.org/10.46429/jaupr.v49i4.13040

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Fernando Abruña, José Vicente-Chandler, Luis A. Becerra, Ramón Bosque Lugo

413-428

Effects of Liming and Fertilization on Yields and Foliar Composition of High-Yielding Sun-grown Coffee in Puerto Rico

https://doi.org/10.46429/jaupr.v49i4.13041

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Alex G. Alexander

429-442

Effects of Tungsten and Molybdenum on Sucrose Content and Hydrolytic Enzymes of Immature Sugarcane

https://doi.org/10.46429/jaupr.v49i4.13042

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Alex G. Alexander

443-461

Sucrose-Enzyme Relationships in Immature Sugarcane Treated With Variable Molybdenum, Calcium, Iron, Boron, Lead, Trichloroacetic Acid, Beta-glycerophosphate, and Starch

https://doi.org/10.46429/jaupr.v49i4.13043

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M. Rojas Daporta, A. González Chapel

462-476

Breeding an Egg-Laying Poultry Strain Adapted to Puerto Rican Conditions

https://doi.org/10.46429/jaupr.v49i4.13044

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Caridad María Purcell

477-483

Embryo-sac Development in Two Accessions of Giant Pangola Digitaria valida Stent

https://doi.org/10.46429/jaupr.v49i4.13045

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Research Notes

Allan L. Phillips

484-486

EVALUATION OF "MYLAR" PLASTIC FILM AS A SURFACE FOR A SOLAR-HEAT COLLECTOR

https://doi.org/10.46429/jaupr.v49i4.13046

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