Faculty of Agronomy Journal
University of Zulia (Venezuela). Since 1968

Autoridades Universitarias

Autoridades de la Facultad de Agronomía

Werner Gutiérrez Ferrer
Decano

Luis Jiménez Flores
Director de Escuela

Adriana Sánchez Urdaneta
Directora del Instituto de Investigaciones Agronómicas

Darisol Pacheco Rivera
Directora de División de Estudios para Graduados

Norberto Rincón Meleán
Director de la División de Extensión Agrícola

Number of issues per year: 4. Frequency: quarterly. ISSN: 0378-7818. (Paper version), ISSN: 1690-9763 (Digital version). All rights reserved. Copyright © 2000 by LUZ. Printed in Maracaibo, Venezuela, by Ediciones Astro Data, S. A. 1000 issues.
Scope. This journal is a publication of Instituto de Investigaciones Agronómicas of the Facultad de Agronomía (Universidad del Zulia) and it publishes high quality original research on all aspects of tropical agriculture and animal science. Topics covered include papers on: soil science, fertilizers, plant physiology, plant pathology, weeds, agricultural economics, entomology, postharvest physiology, agricultural biotechnology, forage crops, animal nutrition, genetics and breeding, meat science, animal physiology, animal reproduction, environment. The journal also publishes reviews (by invitation) and technical notes. Also includes annual meetings abstracts. All contributions are submitted to external scientific reviewers.
Subscriptions. Subscriptions are entered for the calendar year basis. 2006 Rates: Latin America: Institutional $US 60, individuals $US 50; other countries: Institutional $US 100, individuals $US 55. Includes normal shipping. Back issues: Most back issues are available. Prices: Latin America $US 7.5; other countries $US 10.00 per issue. Advance payment in US dollars required. Make a bank transferency to Revista de la Facultad de Agronomía. Check acount N° 0116-0101-49-0005075350. Banco Occidental de Descuento (B.O.D). Address: Edificio Corp Banca. Ave. Las Delicias. Maracaibo, Venezuela.
Intended readership. Researchers and scientists in the field of tropical plant and animal of economic importance.
Manuscript submission. Information about manuscript submission is given in the Style and Form published in all numbers of the Journal. Address all manuscript and correspondence to Editor-in-Chief. Revista de la Facultad de Agronomía (Faculty of Agronomy Journal). La Universidad del Zulia. Apartado 15205. Maracaibo, ZU 4005, Venezuela. E-mail: rev_agronomia@luz.edu.ve. Fax: (58 261) 7596184.
The Journal is abstracted or indexed in: Science Citation Index (SCIExpanded), Journal Reports/Science Edition, Agris (FAO), CAB International (Reino Unido), Scielo Internacional, Latindex Catalogo, CIAT-Pastos, Tropicales (Colombia), Revencyt (Venezuela), Tropical Abstracts (Holanda), Bionet (Venezuela), Weed abstracts, Serials Cited Index, SilverPlatter Information, Agroforestry Abstracts, Orton (México), Sistema de Información y Documentación Agrícola de Venezuela y Electronic Sites of Leading Botany, Plant Biology and Science Journals, Periódica (México), Dairy Science Abstracts, Field Crop Abstracts, Grasslands and Forage Abstracts, World Agricultural Economics and Rural Sociology Abstracts

Technical edition: Steve Belzares-Barboza. E-mail: steve_belzares@starmedia.com

The partial reproduction of the content of this review is stimulated annexing photocopy of the cover of the number of where it was extracted.