Journal of Tropical Agricultural Innovation (JTAI) is a scientific journal that publishes research findings, scientific studies, and innovative developments in tropical agriculture and applied technology.

Current Issue

Vol. 1 No. 1 (2025): Journal Tropical Agricultural Innovation (JTAI) Volume 1 Nomor 1 November 2025

Published: 2025-11-21

Articles

ANALYSIS OF AGE AND WORKING PERIOD FACTORS ON THE STRESS LEVEL OF AGRICULTURAL EXTENSION EMPLOYEES IN MANDAILING NATAL DISTRICT

syafiruddin, Anugrah Sri Widiasyih , Mestika Hasanah (Author)

1-6

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THE EFFECT OF CONCENTRATION AND FREQUENCY OF APPLICATION OF SHALLOT EXTRACT AS A NATURAL GROWTH REGULATOR (PGR) ON THE GROWTH OF ROBUSTA COFFEE SEEDLINGS (COFFEA CANEPHORA)

Dini Puspita Yanty, syafiruddin, Nur Wahyuni (Author)

7-13

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Growth and Cytokinin Content of Black Rice Plants ( Oryza sativa L.”Aen Methane”) Results Treatment Paclobutrazol and Organic NPK

Jumaria Nasution (Author)

14-20

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EVALUATION COMPLIANCE LAND ON PLANT COCOATheobroma cocoa L ) IN SUBDISTRICT TANO TOMBANGAN ANGKOLA, SOUTH TAPANULI REGENCY

Nasution,Y, Fitriadi, A, Simatupang, M (Author)

21-28

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INFLUENCE PRICE RUBBER TO INCOME SIGALANGAN TRADITIONAL MARKET TRADERS, BATANG ANGKOLA DISTRICT, SOUTH TAPANULI REGENCY

Abdul Latif Lubis (Author)

29-34

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INFLUENCE PLANTING SPACING AND FERTILIZER APPLICATION GROWTH AND PRODUCTION PLANTSOYA BEAN ( Glycine max L. Merrill )

Sri Winaty Harahap (Author)

35-43

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Journal Description

Journal title:  Journal of Tropical Agricultural Innovation
Initial:  JTAI
Frequency:  Twice a year, in June and November.
DOI:  
Online ISSN:  
Editor-in-Chief:  Admin
Managing Editor:  
Publisher:  Yayasan Alfatah Teknofarm

Journal of Tropical Agricultural Innovation (JTAI) is a scientific journal that publishes research findings, scientific studies, and innovative developments in tropical agriculture and applied technology.

Published by Yayasan Al Fatah Teknofarm, this journal is committed to serving as an academic platform that brings together researchers, practitioners, academics, and industry players in the field of tropical agriculture to build a productive, sustainable, and technology-driven agricultural system.

JTAI focuses on publishing scholarly works that contribute to the advancement of scientific knowledge and the application of technology in tropical agriculture, with the aim of strengthening the competitiveness of the agricultural sector at local, national, and global levels.