Editorial policy

Submission of a paper will be taken to imply that the material has not previously been published, and is not being submitted for publication elsewhere. NJAE does not necessarily subscribe to the opinions/conclusions expressed by authors in the journal. Authors carry the full responsibility themselves regarding the opinions of their articles. Copyright of all published materials rests with the NJAE. The journal is published quarterly (March, June, September and December).

Manuscript Components

Cover letter – A cover letter addressed to the Editor in Chief, must accompany each submission. The cover letter should provide the corresponding author’s full name and contact information, including the author’s full professional titles and affiliations, preferred mailing address, preferred e-mail address and mobile telephone numbers. The cover letter should specify the type of article being submitted for consideration (e.g. original contribution to research, review paper etc.).

Format of the Manuscript

Manuscripts should be typed using Times New Roman, 12 point, double-spaced, A4 paper. Articles should not exceed 12 pages. Contents should be (in this order):

1. Article title
2. Author(s) name(s) and address (initials and surname, e.g., M. K. Othman; author’s affiliation and the corresponding author identified; and email of corresponding author).
3. Abstract (should be brief and informative, not more than 200 words).
4. 4-6 Keywords (separated by semicolon).
5. Introduction (a brief statement of the problems and clear description of the justification, aims and objectives of the investigation);
6. Methodology (sample and sampling, research design and statistical tools, measuring instruments);
7. Results and Discussion. Results should be presented using tables, figures, charts, etc where necessary. In Discussion avoid repeating the results.
8. Conclusion and Recommendations;
9. Referencing (Harvard System, in which citation in text is author’s surname and year – that is, Ammani (2010). The abbreviation et al should be used when referring to more than two authors (e.g., Daudu et al., 2009). Where reference is made to multiple authors, they should be separated with a semi-colon (e.g., Ikani, 2010; Adewale, 2011; Chukwudi et al., 2009). A list of references cited should be given at the end of the manuscript in alphabetical order. The style below should be followed:

Journals

Usman, S., Ilu, I. Y., and Auta, S. J. (2011). Influence of Participatory Extension Activities on Technical Efficiency of Sesame Farmers in Jigawa State, Nigeria. Nigerian Journal of Agricultural Extension, 16(1&2): 28-33.

Books

Gujarati, D. N. (2003). Basic Econometrics (4th edition). Tata McGraw- Hill. New Delhi.

Chapter in Book

Ploetz, R. C., Thomas, J. E. and Slaubaugh, W. (2000). Diseases of Banana. In: R.C. Ploetz (ed.). CABI Publishing, Wallingford, UK. Pp 73-134.

Graphic Elements

All accompanying tables and figures should be numbered, and they should be cited sequentially in the text. Table headings should appear on the tables themselves. Numbered in Arabic; labelled captions for figures, including illustrations, should be provided at the appropriate position in the manuscript. Tables should not be constructed with tabs and spaces; they should be properly drawn as tables.

Digital and scanned photographs

(JPEG, highest resolution, 1024 x 768 pixels, not larger than 1 MB.

Publication Process

Manuscripts submitted are first reviewed by the editor in chief; they are then reviewed by 3 specialties relevant to the manuscripts. Then the authors are notified of acceptance/rejection, and/or necessary revision within a stipulated period. All accepted manuscripts are subject to editing and abridgment. Thereafter, corresponding authors are sent galley proofs.