Action of the ivasperín in the oat coleoptile lengthening and their relationship with the indol acetic acid
S. Gianfrancisco, A. Pastoriza y E. Riscala

Identification of sugarcane (Saccharum sp.) micropropagated clons by isoenzyme electrophoresis
A. Schugurensky y L. Díaz.

Agroecological comparison of canavalia, Canavalia ensiformis (L.) DC., and soya, Glycine max (L.) Merr under two irrigation frequencies. II. Water potencial, Stomatal conductivity and roots distribution.
M. De Gouveia y D. Marín Ch.

Removal of N, P and K in three grape cultivars in El Tocuyo, Lara state, Venezuela
R. Pire, M. Ojeda, A. Pereira y M. M. Castillo

Animal production.

Contenido mineral de Acacia mangium Willd bajo condiciones de defoliación
T. Clavero, E. Miquelena y A. Rodríguez-Petit

Bootstrap confidence intervals for Shannon biodiversity index
L. Pla y S. D. Matteucc