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Directrices para autores/as



The Peruvian Journal of Agronomy (PJA) publishes research articles, review articles, and communication articles. The rules established here apply mostly for research articles. The research article must be submitted after it has been reviewed by all authors and the due written consent of each one of them. In addition, you must include the e-mail of the main author for correspondence. Subsequent modifications to the authorship will be grounds for stopping the editing process.

The language of publication here is English.

Manuscript preparation

The following documents must be submitted: cover letter, manuscript. If applicable, figures and supplementary data should be submitted. All these documents must be sent to:


The format for the manuscript is MS Word (.doc) preferably. All pages of the manuscript should be sequentially listed, and each line of the text should be continuously listed throughout the manuscript to facilitate review. Double space should be used, justification to the left including references, legends of figures and tables (see sample).

Cover letter and response letter

The cover letter is addressed to the Editor-in-chief, and will have the value of a declaration of originality of the article to be presented, and without prior publication. The following answers should be included in the cover letter:

  • What is the research question or the hypothesis evaluated?
  • What is the greatest contribution of your article to the area of your research?




Keywords (max. 5)


Materials and Methods




Acknowledgments (if they exist)





Size / Length

A4. It is recommended not to have more than 8,000 words. An average page of text will contain about 400 words. As a general rule the maximum recommended length is 20 pages.

Font and type size

Times New Roman or Arial should be 11 point.


Double space, each line of the text should be continuously numbered (if is possible)


In English and Spanish

Text like a sentence, bold style, and centered alignment, length no more than 150 characters including spaces.


Name and last name of author/authors, affiliation, address, e-mail of the corresponding author.


 Max 350 words, in English and Spanish


Verify that all citations made in the manuscript are in the references section. It is required APA format. This style is available on Mendeleytm.

Quote in chronological order (ascending order).

Example: individual author: (Jones, 2014). Two authors: (Jones and Gil, 2014). More than two authors: (Jones et al., 2014)

For references, it is required APA format. It is important that publications with DOI includes it in the end of the reference. Examples:

Journal paper:

Abdullah, W.D., Powell, A.A. and Matthews, S. (1991). Association of differences in seed vigour in long bean (Vigna sesquipedalis) with testa colour and imbibition damage. The Journal of Agricultural Science, 116(2), 259-264.   https://doi.org/10.1017/s0021859600077662

Abhilash, P.C., Srivastava, P., Jamil, S. and Singh, N. (2010). Revisited Jatropha curcas as an oil plant of multiple benefits: Critical research needs and prospects for the future. Environmental Science and Pollution Research, 18(1), 127–131. https://doi.org/10.1007/s11356-010-0400-5


Hampton, J.G. and Tekrony, D.M. (1995). Handbook of vigour test methods. Switzerland: The International Seed Testing Association.

Tables and figures

Tables must be included in the manuscript, and placed after the "References" section. Edit the tables in Microsoft Word table editor or Excel, not by using tab stops or spaces.

List the tables with Arabic numerals followed by a period. Example: Table 1. Table 2. If necessary, include a table foot detailing the abbreviations used in the table. Include the word "Note" or "Notes".

The tables must be duly cited in the text (Table X).

The legends of the graphics must be included in the manuscript immediately after the tables, or in case of not having tables, after the "References" section.

The figures should be sent separately (do not include them in the manuscript) in .JPEG or .TIFF format. If you include them in your manuscript, please do not use the MS Word feature to add text or objects in your figures, graphs or images because of difficult edition. Instead, you must insert any text or objects into the figure before inserting it in your manuscript.

Once the manuscript has been accepted for publication, a minimum resolution of 300 dpi, RGB mode, will be requested for the images.

Supplemental data

It is possible that the authors send supplementary data (table and extra images, abundant data set, among others). Send this supplementary data separately. List each supplementary data as follows: Appendix S1, Appendix S2, etc. In the manuscript, where appropriate, include "(see Supplemental Data with this article)". In case of sending DNA sequences, contact the Editor-in-chief (pja@lamolina.edu.pe).



First level headings (use boldface, do not use a period after this heading)

Second level headings (bold italics followed by a script)

Third level titles (italics followed by a script)

  1. Four level titles.

In the first paragraph of the “Introduction”, include the theoretical or conceptual basis of your work in a context accessible to the various readers PJA attracts. Footnotes are not used in the text.

In "Materials and Methods," add the name, city, and country of the manufacturers/suppliers after the brand names.

If statistical analyzes are used, include statistical values in the "Results" section, either in the text or within tables. Include the statistical value, the degrees of freedom and the value of p for each reported result (for example, for a t-test, report "t = 25.45, df = 1, P = 0.07" for an ANOVA, report "F6, 24 = 27.48, P less than 0.001

Spelling: Uniformity within each paper is required. Latin words or phrases are in italics, with the exception of very common expressions such as “i.e.,” “e.g.,” “et al.,” “in vitro,” “ex vitro” and “etc.” these should not be in italics, do not underline in any case.

Abbreviations, do not start a sentence, title or title with an abbreviation. Abbreviate the figure as "Fig." or "Figs." Use the following abbreviations with the numbers: h, min, s, year, month, week, d, cm, mm, DNA, cpDNA, RNA, dNTP. Designate the temperature as at 30°C (use the degree sign, not zero or the letter o).


Plant names

Common names may be used for well‐known plants once the scientific name has been provided:

e.g., apple, pear, potato, rose, tomato

e.g., purple asparagus cultivar ‘Purple Passion’

Scientific names with author names should only be used when the scientific name is first mentioned, Scientific names must be in italic font except for the abbreviations “var.”, “sp.”, “f.”, etc. which indicate rank at infraspecific level.

e.g., Asparagus officinalis L.

e.g., A. officinalis

e.g., Lepidium meyenii Walpers

e.g., Cotesia flavipes

e.g., Capsicum baccatum var. Pendulum

e.g., Alternaria sp.

e.g., Gossypium spp.

e.g., Fragaria x Ananassa Duch

The part of a name, which denotes the cultivar, is to be placed within single quotation marks. The abbreviation “cv.” is not to be used within a scientific name

e.g., Malus × domestica ‘Golden Delicious’, not Malus × domestica cv. Golden Delicious.

e.g., Vaccinium corymbosum L. ‘Biloxi’

e.g., blueberry (Vaccinium corymbosum) cv. ‘Biloxi’

e.g., Ananas comosus L. Merr.‘Golden’

e.g., Capsicum annum L. var. Annum cv. ‘Jalapeño Mitla’

If indicating hybrid status, the multiplication symbol should be used before the name of the genus or the species epithet as appropriate or within the formula denoting the hybrid

e.g., A. albus x A. officinalis

Neither the multiplication symbol nor the letter “x” are to be in italics.


Units and symbols

Use the multiplication symbol “×” to indicate a cross such as “red × yellow” and for the term “by” in measurements (2×4 cm). Use italic n and x when indicating sporophytic or basic chromosome number (e.g., 2n=4x=48).

Numbers: write one to nine unless it is a measure, a designator, or in a range (for example, four petals, 3 mm, 6 years, 5-11 species, day 2). Use % instead of the percentage with numbers; 1,000 (thousand) instead of 1.000; 10,000 (ten thousand) instead of 10.000; 0.13 instead of 0,13.

Use standard international (SI) units throughout the text, figures and tables. Use the word mass (kg, g, mg) correctly; the weight is indicated in newtons (N). Use a solid for a unit in the denominator (for example, kg / m2) or a negative exponent with a multiplier point (for example, kg • m-2 • d-1) for two or more units in the denominator. Use L per liter, mL per milliliter, μL for microliter and t for tonne (metric ton).

Include a space before and after all signs of operation (eg, =, +) with equations and definitions; use a hyphen (width of two dashes) for the minus sign.



Abstracts of academic events (congresses and others), web pages, brochures and other sources of doubtful or non-arbitrated origin are not accepted.


Consent of publication

The corresponding author will receive a review of the work in PDF format (e-proof), which must be carefully analyzed and consulted with the other authors. Once the consent of all the authors is given, their consent for the publication of the article must be explicitly mentioned, in addition to being in agreement with the license of use. This is a requirement for the publication of the work.


Copyright notice

The Peruvian Journal of Agronomy of the Faculty of Agronomy of the National Agrarian University la Molina, Lima, Peru, is distributed under a Creative Commons License Attribution-Non-Commercial-Share-Equal


The authors retain their rights

The authors retain their trademark and patent rights, and also processes or procedures described in the article.

The authors retain the right to share, copy, distribute, execute and publicly communicate the article published in the Peruvian Journal of Agronomy, with an acknowledgment of its initial publication.

The authors retain the right to make a subsequent publication of their work, to use the article or any part of it (for example: a compilation of their work, notes for conferences, thesis, or for a book), provided they indicate the source of publication (authors of the work, magazine, volume, number and date).


Privacy statement

The names and email addresses entered in this journal will be used exclusively for the purposes stated by this journal and will not be available for any other purpose or other person.


Questions? Contact Us

Peruvian Journal of Agronomy

Facultad de Agronomía

Address: Av. La Molina s/n, Lima 12. Perú

Phone: +51 (1) 6147800 Anexo 475

e-mail: pja@lamolina.edu.pe


(Updates as of march 16, 2018)



Lista preliminar para la preparación de envíos

Como parte del proceso de envíos, los autores/as están obligados a comprobar que su envío cumpla todos los elementos que se muestran a continuación. Se devolverán a los autores/as aquellos envíos que no cumplan estas directrices.

  1. El envío no ha sido publicado previamente ni se ha sometido a consideración por ninguna otra revista (o se ha proporcionado una explicación al respecto en los Comentarios al editor/a).
  2. El archivo de envío está en formato Microsoft Word.
  3. Siempre que sea posible, se proporcionan Identificador de objeto digital (DOI).
  4. Las citas y referencias deben seguir el formato APA.
  5. El texto reúne las condiciones estilísticas y bibliográficas incluidas en Pautas para el autor/a, en Acerca de la revista.
  6. En el caso de enviar el texto a la sección de evaluación por pares, se siguen las instrucciones incluidas en Asegurar una evaluación anónima.

Declaración de privacidad

Los nombres y las direcciones de correo electrónico introducidos en esta revista se usarán exclusivamente para los fines establecidos en ella y no se proporcionarán a terceros o para su uso con otros fines.