Revista de la Facultad de Agronomía
de la Universidad del Zulia

Maracaibo, october-december 2002. Vol. 19, No. 4

Crop production.

Comparison of the CEC in two soils using Ammonium Acetate, and Sodium Acetate and Ammonium Chloride
O. Rodríguez y A. Rodríguez

Effect of post-harvest damage on the germination of asexual seeds of five sugar cane varieties
M. Ramón y C. Mendoza

Criolla Roja type guava fruit (Psidium guajava L.) growth
N. Laguado, M. Marín, L. Arenas de Moreno, F. Araujo, C. Castro de Rincón y A. Rincón

Induction of somatic embryogenesis in Psidium guajava L. starting at the zygotic embryo stage
J. A. Vilchez P, N. R. Albany V, R. Gómez Kosky, L. Garcia

Evaluation of nicosulfuron in the control of Rottboellia exaltata, Euphorbia heterophylla and Aldama dentata in maize (Zea Mays L.) applied at three different weed growth stages
M. M. Hernández L, J. M. Arreaza, J. V. Lazo A

Effect of oil palm industry wastes on the growth and reproducction of the earthworm Eisenia spp.
J. A. Hernández, C. Contreras, R. Palma, J. Sarria y S. Pietrosemoli

Microbial quality of wastewater in a system of stabilization lagoons to be employed in irrigation
L. Botero, J. L. Zambrano, C. Oliveros, D. León, M. Sarcos y M. Martínez

Food technology.

Stability in betalains from tuna pulp (Opuntia boldinghii Br. et R.) submitted to a lyophilization process
A. Viloria-Matos, D. Corbelli-Moreno, M. J. Moreno-Alvarez y D. R. Belén C

Chemical composition of the Palieri grape
I. García, M. J. Moreno-Alvarez, D. Hidalgo-Báez

Author index

Subject index