Faculty of Agronomy Journal
University of Zulia

Maracaibo, april-june 2007. Vol. 24, No. 2

Cover

Crop production

Hydric erosion evaluation at the micro basin of Roja and Colorada creeks in the Valmore Rodriguez municipality, Zulia state
L. Mármol, J. Díaz, M. Larreal y L. Jiménez

Fate of applied nitrogen by fertilization in a potato crop of the Venezuelan andes
Z. Abreu, L. Sarmiento y P. Bottner

Effect of three irrigation frequencies on seed cotton yield and its components in four upland cotton cultivars (Gossypium hirsutum L.)
J.R. Méndez-Natera, R.S. Salazar-Brito, J.F. Merazo-Pinto, J.A. Gil-Marín y L. Khan-Prado

Fertilizers placing effect and the potassium dose on melon (Cucumis melo L.) yield at Mara municipality, Zulia state
D. Morales V., R. Ramírez R., J. Rivas S., J. Sandoval V. y L. Rincón N.

Characterization of associate fungi to strawberry fruit diseases at the Jauregui municipality, Tachira State
R.E. Farrera P., A.E. Zambrano V. y F.A. Ortiz M.

Morphological characterization of guava fruit (Psidium guajava L.) in a farm at Mara municipality, Zulia state
A.B. Sánchez-Urdaneta, C. Colmenares, B. Bracho, J. Ortega, G. Rivero, G. Gutiérrez y J. Paz

"Relationship between inflorescences, climate and the pollinating in oil palm (Elaeis guineensis Jacquin) plantations located in south lake of Maracaibo, Zulia state"
M.V. Labarca, E. Portillo y Z. Narváez

Food technology

Effect of citric acid on tree tomato maturity
M.J. Moreno-Álvarez, M.G. Pinto, D. García Pantaleón y D.R. Belén-Camacho

Socioeconomy

Characterization of the wine grape production system in Mara municipality, Zulia state. Venezuela
T. Molero Paredes, R. Guerrero Castillo y E. Martínez

Sustainable development in the cassava Manihot esculenta Crantz production system in Mara municipality, Zulia state, Venezuela
Y. Villalobos, N. Rincón, W. Gutiérrez, E. Martínez