ISSN: 1659-2751




Dear Readers,

We are laying a milestone in various ways with the publication of this third edition of our institutional journal.  Firstly, this is the first number edited under the cover of the ISSN (International Standard Serial Number).  This is an eight-digit number that identifies periodicals, including electronic ones.  It is also a numeric code that functions as an identifier; neither does it have any meaning in itself, nor does it contain any details about the origin or content of the information, as is the case in librarianship.  In our case our assigned number is: ISSN: 1659-2751.  This system is being coordinated from Paris and is supported by UNESCO.  Naturally, in order to become enrolled a series of quality standards have to be fulfilled.  We can say with pride that our journal has outgrown its childhood and is heading towards maturity.

Additionally, we have registered the journal in the Latindex ( system.  This is an on-line regional information record for scientific journals from Latin America, the Caribbean, Spain, and Portugal.  The system originated in 1995 as an initiative from the National Autonomous University of Mexico (UNAM), with the aim of forming an institutional web for collecting and spreading bibliographic information from catalogued scientific journals.  We are also working at the same time to obtain other important registers for our journal.

Lastly, we have also obtained the record in the Directory of Open Access Journals (DOAJ,  The directory is maintained by the libraries system of Lund University, Sweden.  This registry is of great importance, because it will give to our journal an enormous distribution and outreach, bestowing on it a global nature.  This registry shall without doubt increase the visibility of Tierra Tropical and therefore its consultation.

In previous numbers we had only published articles written in our university.  We are now editing for the first time in this number papers originating from external institutions.  We are presenting in this occasion research undertaken at CATIE and the Lankester Botanical Garden.

At the same time we have approached the issues of modernizing, improving and simplifying the journal editing software system.  Some of the changes we can mention are the implementation of a formulary, which our readers shall be able to fill with their personal details and other relevant pieces of information.  Once the formulary has been filled, the user’s data and message are sent via e-mail to the electronic address that the reader chooses.  Furthermore, all these contacts shall be stored in a data-base, which can be accessed by the Archangel administrative module.  By using this module it shall be possible to see the list of contacts, to look up the users by alphabetic order, and to export a list of addresses, separated by a coma, so that this list can be attached to any message sending system.

This number of Tierra Tropical offers a wide selection of subjects.  Analyses of great importance and of immediate interest are presented concerning carbon sequestration and clean development of forest plantations; moreover, organic and liquid fertilizers are also researched.  A long section regarding the use of biodiversity is introduced, starting with the analysis of bovine DNA, continuing through seed storage, and ending with the use of plant sweeteners and plant extracts.  The theme of post harvest is also present, tackling the subjects of determining optimal fruit maturation and the development of cardboard packing for bananas.

Finally, we would like to invite our readers to read this last number of our journal and we are confident that you will find articles of your interest and benefit.

Faithfully yours,

Dr. Bert Kohlmann

Main Editor

Tierra Tropical Journal

EARTH University