cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Fani Ardiani
Contact Email
editor.joa.itscience@gmail.com
Phone
+628177776163
Journal Mail Official
intanmaulina1509@gmail.com
Editorial Address
https://jurnal.itscience.org/index.php/joa/contactus
Location
Unknown,
Unknown
INDONESIA
Journal of Agriculture (JoA)
Published by Information Technology and Science
ISSN : -     EISSN : 28292421     DOI : 10.47709/joa
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
JoA aims publish primary research articles of current research topics from all over the world, not simultaneously submitted to nor previously published in other scientific or technical journals. General review and short communication articles will not be accepted. The journal maintains strict standards of content, presentation, and reviewing. SCOPE The journal will consider primary research papers from any source if they make an original contribution to the experimental or theoretical understanding and application of theories and methodologies of some aspects of agricultural science including: Soil science; Climate science; Agronomy; Agroforestry; Plant breeding; Biotechnology; Plant disease and protection; Farming system; Postharvest technology; Socio-economics of agriculture; Human research of agriculture JoA is published by Information Technology and Science (ITScience), a Research Institute in Medan, North Sumatra, Indonesia.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 217 Documents
 14   15   16   17   18 
The Potential of Liquid Organic Fertilizer for Hydroponic Nutrition: A Systematic Literature Review Syamsia, Syamsia
Journal of Agriculture Vol. 3 No. 01 (2024): Research Articles, March 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i01.3720

Abstract

Nutrients are the main component in a hydroponic system. Liquid organic fertilizer has the potential to be a source of hydroponic nutrition because it can be made from agricultural waste through a fermentation process using local microorganisms. The aim of the research is to analyze articles that use the theme of liquid organic fertilizer and describe various topics that are relevant and have novelties to be developed in future research. The bibiometric analysis used in the research used the 2019-2023 literature. The data collection method uses dimensions with the keyword "liquid organic fertilizer" to obtain 500 papers published in 2019-2023. The data was sorted into 300 articles for further analysis with the help of VOSviewer 1.6.19_Mac software. The research results show that the theme of liquid organic fertilizer implemented in scientific articles has become a serious concern and has had high interest value for researchers over the last 4 years. Several new topics that need to be studied further to support the development of liquid organic fertilizer as nutrition in hydroponic systems to support sustainable agriculture include: local microorganisms (mol), biostimulants, cocopeat, chicken manure. Elsevier is a publisher in the main ranking which publishes articles and is widely cited. Keywords with different topics are needed to analyze articles to get new ideas and innovations in developing knowledge and technology that supports sustainable agriculture.
Potential and Absorption of CO2 in Various Types of Dry Land Use in Aceh Besar Regency Abdullah, Umar Husein; Martunis, Lukman; Mulyanti, Mulyanti; Yana, Dewi; Akbar, Yusran; Agustina, Sri
Journal of Agriculture Vol. 3 No. 01 (2024): Research Articles, March 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i01.3760

Abstract

This study was carried out on a 239,439.63 ha unit of dry land in the Aceh Besar Regency. The Soil and Plant Science Laboratory and the Soil Physics Laboratory at the Faculty of Agriculture, Universitas Syiah Kuala, analyzed soil and biomass samples. Twelve different land use types in the Aceh Besar Regency's dry land are the research locations. Utilizing a methodology with the number SNI 7724:2011, the Indonesian National Standards Agency established the biomass measuring and sampling procedure in 2011. According to the study's findings, the primary forest land use type has the greatest potential for absorbing CO2 in the forest land use type, followed by the following. Pine forest, secondary forest, teak forest, eucalyptus forest, and bush forest, in that order. In contrast, the land use categories of mixed gardens, moors, bushes, grassland, rainfed rice fields, and bare ground have the highest potential for absorbing CO2. Primary forests have the largest overall carbon dioxide absorption among the many forest land use types. These are followed, in order, by secondary forests, bush forests, eucalyptus forests, pine forests, and teak forests. The primary forest land use type has the largest total CO2 absorption among the non-forest land use types, followed by grasslands, shrubs, mixed gardens, rainfed rice fields, moorland, and bare ground, in that order. The Aceh Besar Regency's numerous dry land uses can benefit from enhanced natural and environmental sustainability due to the wide stem diameter and abundance of woody plants, which can also increase CO2 absorption. Highlights High CO2 potential and sequestration are critical in controlling climate change Humans play an important role in regulating and maintaining the availability of plants to maintain environmental stability. Forest protection plays an important role in maintaining the biodiversity of plants, animals, and endangered species in protected forest areas.
The Influence of Leadership, Motivation, Discipline and Work Environment on the Performance of Employees at Batang Laping (BALAP) PTPNIV Nasution, Nurhadida; Yanti, Mariana Eva
Journal of Agriculture Vol. 2 No. 03 (2023): Research Articles, November 2023
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v2i03.3899

Abstract

This study aims to (1) determine the condition of leadership, motivation, discipline, work environment on employee performance at PT Perkebunan Nusantara IV Balap Estate. (2) Knowing the concept of leadership, motivation, discipline, work environment on employee performance at PT Perkebunan Nusantara IV Balap Estate. (3) Knowing the effect of leadership, motivation, discipline, work environment on employee performance at PT Perkebunan Nusantara IV Balap Estate. Report collection was carried out at PT Perkebunan Nusantara IV Balap Estate, Mandailing Natal District. The population is all employees of the Balap Estate with a total of 300 people. Withdrawal of samples using purposive sampling technique so that the total sample is 85 people. Data analysis used the Likert Scale method and the SmartPLS method.
Breaking the Dormancy of Some Varieties of Papaya (Carica Papaya L.) Soaking KNO3 Solution Saragih, Meylin Kristina; Panataria, Lince Romauli; Sitorus, Efbertias; Manurung, Agnes Imelda
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.3963

Abstract

Dormancy is a state of stopping growth experienced by plants. This research aimed to determine the concentration of KNO3 solution in breaking dormancy in several papaya varieties. The research method used in this research was a completely randomized design (RAL) Factorial with 2 treatment factors. The first factor is variety (V), consisting of V1 = Callina, V2 = California, and V3 = Local. The second factor is the concentration of the KNO3 (K) solution consisting of: K0 = Control, K1 = 10%, K2 = 20% and K3 = 30%. The variables observed were growth synchrony and germination speed index. Data analysis uses analysis of variance. The variables observed were growth synchrony and germination speed index. An analysis of variance was used to test the effect of treatment. To test mean differences between treatments, honest significant difference tests, regression, and correlation were carried out at a test level of 5%. The research results showed that seed variety had a significant effect on growth synchrony and germination speed index. The concentration of KNO3 solution has a significant effect on growth synchrony and germination speed index. The interaction between the variety and concentration of KNO3 solution had no significant effect on all observed parameters.
Response of Pakcoy Plant Growth and Production to the Application of Poc and Manure Panataria, Lince Romauli; Simanjuntak, Pantas; Sitorus, Efbertias; Saragih, Meylin Kristina; Manurung, Agnes Imelda
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.3965

Abstract

Pakcoy (Brassica rapa L.) is a type of vegetable plant is used by people in various dishes because it contains minerals, protein, Vitamin A, Vitamin B, Vitamin B2, Vitamin B6, Vitamin C, potassium, phosphorus, copper, magnesium, iron, carbohydrates and fiber.This research aims to see the effect of giving POC and chicken manure on the growth and production of pakcoy plants. This research was carried out using a factorial Randomized Block Design (RAK) which consisted of two factors, namely the concentration of chicken manure which consisted of 3 levels, namely A0 = 0 kg / plot, A1 = 1 kg / plot, A2 = 2 kg / plot, and A3 = 3 kg / plot. The second factor is the POC dose which consists of 4 levels, namely. E1=10 ml/liter water/m2, E2= 20 ml/liter water/m2 and E3=30 ml/liter water/m2. The results showed that the application of chicken manure had no significant effect on the number of leaves, wet harvest weight per plot, wet harvest weight per hectare, wet sale weight per hectare. The interaction between giving chicken manure and POC had a significant effect on the number of leaves, wet weight of harvest per plot, wet weight of harvest per hectare, wet weight of sale per hectare.
The Effect Plant Media Composition on the Growth and Production Some Varieties Strawberry Sitorus, Efbertias; Sihombing, Parsaoran; Panataria, Lince Romauli; Saragih, Meylin Kristina; Manurung, Agnes Imelda
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.4012

Abstract

This research was conducted in Barus Jahe Village, Barus Jahe District, Karo Regency, North Sumatra, with an altitude of 1,367 meters above sea level. This study aims to determine the effect of the composition of the planting medium and several varieties on the production and growth of strawberry plants. The design used in this research is a Factorial Split Plot Design (RPT), which consists of two factors. The first factor is the main plot, Variety (V), with 3 levels: V1 = California, V2 = Local Bandung, and V3 = Local Brastagi. The second factor is the subplot, namely Planting Media Composition (M), which consists of Soil: Charcoal Husk: Chicken Manure, namely: M1= 1:1:1, M2= 2:1:1, M3= 1:2:1, and M4= 2:1:2.The variables observed were plant height, plant wet weight and plant dry weight, fruit weight and sugar content (Brix). Analysis of variance was used to test the effect of treatment and mean differences between treatments; honest significant difference tests, regression, and correlation were carried out at a test level of 5%. The research results showed that the composition of the planting media had no significant effect on the observed parameters. However, in some varieties, V1 (California) has a substantial impact on fruit weight and sugar content (Brix), and V2 (Local Bandung) has a significant effect on plant height, wet weight, and dry weight.
Marketing Analysis of Elephant Ginger in Hatinggian Village, Lumban Julu District, Toba Regency Bancin, Arif Santosa; Harahap, Mailina; Apriyanti, Ira
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.4107

Abstract

Ginger is a medicinal plant that is often used as a pain reliever. Demand for ginger increases along with the development of human knowledge. So to meet consumer needs, a marketing institution is needed, such as the Gajah ginger farmers in Hatinggian village. The aim of the research is to find out how the marketing channels for Gajah ginger are, to find out the marketing margin and marketing efficiency of Gajah ginger. The research sample was 22 Gajah ginger farmers, 3 collectors and 3 retailers. Data analysis uses descriptive analysis and formula equations for marketing costs, marketing margin, Farmer share, marketing efficiency. The research results show that there are two marketing channels for Gajah ginger in Hatinggian village, Lumban Julu subdistrict, namely; 1). Marketing channel I from farmers to retailers then consumers and 2). Marketing channel II from farmers to collectors then to retailers and then consumers. The market share of marketing channel I is greater than marketing channel II so that marketing channel I (6.14%) is more efficient than marketing channel II (6.89%).
Analysis of Partnership Patterns Between Gaharu Plant Farmers and PT. Cahaya Gaharu Langkat Marpaung, Suci Tasya Hasian; Siregar, Gustina; Sinaga, Hardiansyah
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.4122

Abstract

This research aims to determine the partnership pattern between gaharu plant farmers and PT. Cahaya Gaharu Langkat and to determine the effectiveness of the partnership program. The type of research used is descriptive and qualitative. Determining the research location was carried out deliberately, namely selecting subjects based on certain characteristics or characteristics that were previously known. The data collected consisted of primary data, namely direct interviews with respondents, and secondary data from relevant agencies related to this research. The results of this research are 1). The partnership pattern that occurs between PT. Cahaya Gaharu Langkat with gaharu plant farmers is a partnership pattern for Agribusiness Operational Cooperation. The development of gaharu plant farmers land is fully managed by farmers with the assistance of the company. 2). The level of effectiveness of the partnership pattern between gaharu plant farmers and PT. Cahaya Gaharu Langkat is 79.25 which is in the effective category. With the program target accuracy indicator, the score was 91%, the program socialization indicator was 78%, the program objective was 67%, the program monitoring indicator was 81%.
Analysis of Farmers' Perceptions of the Profile of Agricultural Extension Workers in Padang Lawas District Fauziah Marhanah Pohan; Mhd. Buhari Sibuea; Martial, Tri
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.4145

Abstract

This study aims to analyze farmers' perceptions of agricultural extension profiles in Padang Lawas Regency.Farmers' perceptions are an important aspect that can influence the effectiveness of agricultural extension and the application of new technologies in agricultural practices. This research uses purposive sampling method with special considerations so that it is feasible to be used as a sample. The number of samples used in this study was 9 people. The variables analyzed include perceptions, the nature of the extension agent, the skills possessed by the extension agent, changes in farming. The results showed that farmers' perceptions of the profile of agricultural extension workers in Huristak sub-district were in the good category, with an average score of 713 with a percentage of 72.02%. Where the highest score was obtained by the sample extension officer Mr. Fahmi Saputra Harahap with a total score of 814 with a percentage of 82.22% where the highest score was in the aspect of farmer assessment of the nature of the extension officer with a total score of 357.8 with a percentage of 72.12% and categorized as good, and the lowest score was in the aspect of changes in farming with a total score of 128.8 with a percentage of 71.55% but still in the good category.
In-Vitro Growth of Transgenic Sengon Resulting From Co-Cultivation Using Agrobacterium Tumefaciens Bacteria Aslan, Aura Aulia; Larekeng, Siti Halimah; Rachmat, Agus; Restu, Muhammad
Journal of Agriculture Vol. 3 No. 02 (2024): Research Articles, July 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v3i02.4465

Abstract

Sengon (Paraserianthes falcataria (L) Nielsen) is a forestry plant often developed for industrial purposes in Indonesia. Sengon is a fast-growing species and has a relatively short-cutting period. Sengon wood is widely used in the production of carpentry wood, plywood raw materials, and pulp. The purpose of this study was to optimize the transformation of the entC and pmsB genes into sengon plants using the embryo injury method through Agrobacterium tumefaciens as an intermediary and to determine the efficiency of the transformation using the injury to sengon embryos. This research was conducted from September 2022 to March 2023. The research was conducted at the Genetically Modified Organism (GMO) Tissue Culture Laboratory, Recombinant Protein (Microbe) Laboratory, and Greenhouse of the Genetic Engineering Center, National Research and Innovation Agency (BRIN) Cibinong, Bogor, Java West. The research procedure consisted of several steps, namely Preparation of MS Media, Preparation of LB Media, Preparation of Sengon Seed Infection Using Agrobacterium tumefaciens, Sterilization and Planting of Sengon Seeds, Acclimatization, and Molecular Analysis (including Sengon DNA isolation, PCR Amplification, and Electrophoresis). Transformation efficiency was calculated by the positive strain of hpt PCR bands compared to the number of transformed embryos and multiplied by 100%. In the results of the PCR analysis, it was found that one plant sample carried the hpt marker, which indicates the integration of the entC and pmsB genes. which when analyzed using transformation efficiency calculations, the data obtained for the entire transformation stage was 0.8%, where the success of the transformation obtained was still classified as low. Factors that cause the low success of transformation include the method of transformation, the growth phase of bacteria, genetic material, and culture aseptic conditions.

Page 16 of 22 | Total Record : 217

 14   15   16   17   18 

Filter by Year

2022 2026


Reset
Filter By Issues
All Issue Vol. 5 No. 01 (2026): Call for Papers, March 2026 Vol. 4 No. 03 (2025): Research Articles, November 2025 Vol. 4 No. 02 (2025): Research Articles July 2025 Vol. 4 No. 01 (2025): Research Articles March 2025 Vol. 3 No. 03 (2024): Research Articles November 2024 Vol. 3 No. 02 (2024): Research Articles, July 2024 Vol. 3 No. 01 (2024): Research Articles, March 2024 Vol. 2 No. 03 (2023): Research Articles, November 2023 Vol. 2 No. 02 (2023): Research Articles, July 2023 Vol. 2 No. 01 (2023): Research Articles, March 2023 Vol. 1 No. 03 (2022): Research Articles, November 2022 Vol. 1 No. 02 (2022): Research Articles, July 2022 Vol. 1 No. 01 (2022): Research Articles, March 2022 More Issue