Philippine Agricultural Scientist (ISSN 0031-7454), an international journal of tropical agriculture and related sciences, is published quarterly by the College of Agriculture and Food Science, University of the Philippines Los Baños, 4031 College, Laguna, Philippines. Articles may be papers and notes on original fundamental or applied research and, to a limited extent, critical research reviews, professorial chair lectures or book reviews on tropical agricultural science and related areas including environmental science, food science, engineering, biotechnology, economics, extension, rural sociology, development communication, agroforestry and silviculture and marine and fishery sciences.