Publications of the Mesoamerican Journal of Agronomy during the period 1990-2010: Classification, thematic, countries and diffusion

The sources of the publications in the Mesoamerican Journal of Agronomy during the period 1990-2010. Mesoamerican Journal of Agronomy was created as a publication of the Central American Cooperative Program for the Improvement of Crops and Livestock (PCCMCA). From 1990 to date, 629 papers have been published, of which 63% are scientific articles, 26% are technical notes, 8% are analyses and commentaries, while technical information and literature reviews are 2% each. Costa Rica and Mexico are the countries with the largest number of published papers, with 37 and 32% respectively, followed by El Salvador, Guatemala, Honduras and Cuba. The principal topics have been corn (24%) and beans (21%), forages (7%), and dairy cattle (4%), while rice, sorghum, weeds and peach palm reached 3% each. In 2010, the journal rejected 20% of all papers submitted for publication. We highlight the distribution of the printed journal to libraries and documentation centers in thirty countries around the world, mainly the continents of America, Europa, Asia and some Caribbean islands.