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Daimon Syukri
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aijanslppmunand@gmail.com
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Gd. Rektorat Lt. 2, Kampus UNAND Limau Manis, Padang 25163, West Sumatra, Indonesia
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INDONESIA
Andalasian International Journal of Agricultural and Natural Sciences
Published by Universitas Andalas
ISSN : 27766500     EISSN : 27457885     DOI : -
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering
is a peer-reviewed, open-access journal that publishes original research articles, review articles, as well as short communication in all areas of basic and applied natural sciences. The submitted manuscript should have relevance with basic and applied natural science. Andalasian Internasional Journal of Agricultural and Natural Sciences covers the following topics. · Applied biology · Applied chemistry · Applied physic · Agriculture Sciences · Agroindustry · Animal Science · Food science and technology · Environmental · Health and medicine · Agroindustry
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol. 6 No. 1 (2025)" : 6 Documents clear
The Effect of Weeding Frequency on The Growth and Yield of Upright Beans on Ultisol Soil Obel Obel; Meisilva Erona Sitepu; Fahrul Zaqi; Imelinda Imelinda
Andalasian International Journal of Agriculture and Natural Sciences (AIJANS) Vol. 6 No. 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijans.v6.i1.1-6.2025

Abstract

Upright Beans (Phaseolus vulgaris. L) are one type of horticultural commodity that has great potential to be developed, but recently bean production has decreased. One of the causes is the presence of weeds that can cause competition in fighting for life's necessities. Therefore, control measures need to be taken by weeding. The purpose of this study was to determine the right weeding frequency to increase the growth and yield of upright bean plants. The study was arranged in a Randomized Block Design which was repeated 3 times. The research data were analyzed using the F test method at 5% level and followed by DMRT at 5% level. The results showed that the frequency of weeding at 21 HST gave the best results for plant height of 212.59 cm and the frequency of weeding carried out at 14 HST gave the best results for the parameters of the number of pods per plant of 14.90 and the weight of pods per plant of 129.63 g.
The Agricultural Extension Officer’s Qualification and Role in Farmers’ Groups Receiving Government Assistances in Padang City, West Sumatra Amrizal Anas; Aditya Alianta; Ediset Ediset
Andalasian International Journal of Agriculture and Natural Sciences (AIJANS) Vol. 6 No. 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijans.v6.i1.7-15.2025

Abstract

The study was conducted to identify the qualifications and describe the roles of Agricultural Extension Officers in livestock farmer groups receiving government assistance in Padang City, West Sumatra. The study employed a rigorous survey approach, supported by a questionnaire and field observations, to gather data. The focus was on farmer groups benefiting from government support. A purposive sample was determined to consist of 6 livestock groups: 2 cattle farmer groups, 2 goat farmer groups, and 2 poultry farmer groups. Data were analysed and presented in a statistical descriptive quantitative format. The results indicated that the communication skills of extension agents were categorised as moderate, while their attitudes, knowledge, and adaptability were rated as good. Extension officers were found to play effective roles in education, facilitation, supervision, and evaluation, although their roles in dissemination, consultation, and advocacy were moderate. In conclusion, Agricultural Extension Officers were determined to have suitable qualifications and roles in conducting extension services within government-assisted livestock farmer groups in Padang City, West Sumatra.
Determinants of Coffee Farmers’ Income: The Role of Land Area and Production Volume in Pargarutan Jae Village Naimatul Lubis; John Nefri; Heri Faisal Harahap; Reza Mardiyah Amir
Andalasian International Journal of Agriculture and Natural Sciences (AIJANS) Vol. 6 No. 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijans.v6.i1.16-25.2025

Abstract

This study aims to analyze the effect of production land area on the income of coffee farmers in Pargarutan Jae Village, South Tapanuli Selatan. The method used is a quantitative approach involving 109 coffee farmer respondents selected using the accidental sampling method. Data were collected through questionnaires, observations, and documentation, then analyzed using Structural Equation Modeling Partial Least Square (SEM PLS). The results show that the production land area has a significant influence on increasing coffee production, which in turn positively impacts farmers’ income. The majority of farmers have a last education level of vocational high school/general senior high school and are in productive age, with most incomes at the lower-middle level. The validity and reliability of the research instruments have been well tested, with loading factor and AVE values meeting the criteria for convergent and discriminant validity. These findings indicate that managing and increasing the production land area is a key factor in improving the welfare of coffee farmers in the area.
The Role of Land Area as A Mediator in The Relationship between Palm Oil Price and Productivity on Farmers’ Income in Bangko Pusako Rokan Hilir Tsamara Afifah; Heri Faisal Harahap; Silfia Silfia; Reza Mardiyah Amir
Andalasian International Journal of Agriculture and Natural Sciences (AIJANS) Vol. 6 No. 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijans.v6.i1.26-36.2025

Abstract

This study aims to analyze the mediation effect of land area on the relationship between price and productivity on oil palm farmers’ income in Bangko Pusako District, Rokan Hilir Regency. A quantitative approach using Structural Equation Modeling-Partial Least Squares (SEM-PLS) method was employed to analyze data from 155 oil palm farmers selected through accidental sampling technique. The results show that palm oil prices and productivity do not have significant direct effects on farmers’ income. However, land area proves to have a significant direct effect on farmers’ income (T-statistic = 2.208, p-value = 0.028). Mediation analysis reveals that palm oil prices significantly affect income through land area mediation (T-statistic = 2.112, p-value = 0.035), while productivity does not significantly affect income through land area mediation (T-statistic = 1.611, p-value = 0.108). These findings confirm the important role of economies of scale in oil palm farming, where farmers with large land areas have comparative advantages in utilizing market price fluctuations. This research provides theoretical contributions to the development of farmer income analysis models and practical inputs for formulating more effective and targeted oil palm farmer empowerment policies.
Study of the Effect of Soil Type and Spraying with Anethum Graveolens Extract on the Growth and Yield of the Bean Plant Vicia Faba L Sami Hamad Sultan
Andalasian International Journal of Agriculture and Natural Sciences (AIJANS) Vol. 6 No. 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijans.v6.i1.37-43.2025

Abstract

A field experiment was conducted during the winter season of 2023–2024 in Salah Al-Din Governorate (central Iraq) to investigate the effect of soil type (loamy versus gypsiferous soils with 20% and 30% gypsum content) and foliar application of dill extract (100 ml L-1) on the growth and productivity of faba bean (Vicia faba L.). A completely randomized design (CRD) with three replications was employed, comprising a total of 12 experimental units. The results demonstrated that foliar application of dill extract at 100 ml L-1 significantly improved all studied traits compared to the control (without application). In loamy soil, the highest values were recorded for plant height (110.4 cm), root length (30.2 cm), pod length (25.2 cm), number of leaves (85 leaves plant-1), number of pods (11 pods plant-1), and number of seeds (7 seeds plant-1). In contrast, these parameters were markedly lower in the gypsiferous soils (20% and 30% gypsum content). Furthermore, loamy soil outperformed the gypsiferous soils across all indicators, confirming the decisive role of soil type in faba bean productivity. The study highlights that applying dill extract at a concentration of 100 ml L-1 in loamy soils represents a promising strategy to enhance the growth of faba bean, especially in areas with mixed or gypsiferous soils.
Response of Two Cultivars of Faba Bean (Vicia Faba L.) to Different Levels of Phosphorus Fertilizer Aznor Nazim Saleh; Saja Baker Hassan; Ibrahim Ali Ameen
Andalasian International Journal of Agriculture and Natural Sciences (AIJANS) Vol. 6 No. 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijans.v6.i1.44-49.2025

Abstract

A field experiment was conducted during the winter season (2023–2024) in a private field located in Kirkuk Governorate. The study was implemented as a factorial experiment using a Randomized Complete Block Design (RCBD) with three replications. The results and differences among means were analyzed using Duncan’s Multiple Range Test (DMRT) at a 5% probability level. The experiment aimed to evaluate the response of two faba bean (Vicia faba L.) cultivars (Spanish and local) to five phosphorus fertilizer levels (0, 25, 50, 75, and 100 kg ha-1), applied in two splits. The results showed that the fifth phosphorus level (P5) significantly improved plant height (58.667 cm plant-1), number of branches (6.833 branches plant-1), number of leaflets (40.89 leaflets plant-1), number of flowers (30.33 flowers plant-1), number of pods (27.33 pods plant-1), and single plant yield (188.83 g plant-1). The fourth phosphorus level (P4) also led to significant improvement in all studied traits, with values of plant height (58.667 cm plant-1), number of branches (6.166 branches plant-1), number of leaflets (41.071 leaflets plant-1), number of flowers (31.33 flowers plant-1), number of pods (28.33 pods plant-1), and single plant yield (190.00 g plant-1). No significant differences were observed between the two cultivars. However, significant interactions were found, particularly for the combination A1P5 (Spanish cultivar x fifth phosphorus level), which excelled in plant height (63.00 cm plant-1), number of branches (7.000 branches plant-1), and number of leaflets (42.35 leaflets plant-1). Additionally, the interaction A2P4 (local cultivar x fourth phosphorus level) showed superiority in number of flowers (31.33 flowers plant-1), number of pods (28.66 pods plant-1), and single plant yield (193.67 g plant-1). Meanwhile, the interaction A2P3 (local cultivar x third phosphorus level) was superior in total yield (30.00 kg 1000 m-2).

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