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International Journal of Agriculture System
Published by Universitas Hasanuddin
ISSN : 23379782     EISSN : 25806815     DOI : http://dx.doi.org/10.20956/ijas.v5i2.1236
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
International Journal of Agriculture System (Int. J. Agr. Syst.- IJAS) is published by Hasanuddin University (UNHAS) twice a year in June and December. This journal is an academic, citation indexed, and blind peer-reviewed journal. It covers original research articles, short notes and communications, reviews (including book), concepts, commentaries, and letters on a diverse topic related to agricultural systems including forestry, fishery/marine, and animal sciences. The aims of this journal are to provide a venue for academicians, researchers, and practitioners to share/discuss theories, views, research results, on issues related to the science, engineering and technology, and humanities in agriculture development, management, and issues in agricultural systems, particularly in the tropics. However, any other articles related to non-tropical agricultural systems are also welcome.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 4 Documents
 1 
Search results for , issue "VOLUME 9 ISSUE 2, DECEMBER 2021" : 4 Documents clear
Aloe Vera Agribusiness Development Sustainability Analysis in Bogor Regency Sulhajji Jompa; Rizal Syarief; Surjono Hadi Sutjahjo; Anton Yulianto
International Journal of Agriculture System VOLUME 9 ISSUE 2, DECEMBER 2021
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (979.964 KB) | DOI: 10.20956/ijas.v9i2.2988

Abstract

As a suburban area, Bogor Regency faces complex problems in the development of the aloe vera agribusiness. Land use conflicts, unemployment problems due to the Covid-19 pandemic, financial support and market access, post-harvest handling, and institutional support put the sustainability status of this commodity agribusiness into question. This research was conducted to assess the sustainability of aloe vera agribusiness development in Bogor Regency. Analysis of the sustainability status uses the MDS (multidimensional scaling) method, using four dimensions, namely: social, economic, institutional, and environmental. MDS analysis utilizes the Rapid Appraisal for Fisheries (RAPFISH) software. The research was conducted in five sub-districts in Bogor Regency, namely Kemang, Tajur Halang, Rancabungur, Ciampea, and Mount Sindur Districts. The results showed that, in general, aloe vera agribusiness in Bogor Regency has a sustainable status of: "moderately sustainable" (Mount Sindur and Kecamatan Kemang), “close to moderately sustainable" (Rancabungur and Ciampea), and "less sustainable" (Tajur Halang). To support the sustainability status of the aloe vera agribusiness in Bogor Regency,  group land management should be undertaken, assisted by counseling from government institutions, availability of agro-industrial processing, and clarification of land status.
Application of Liquid Silica Nutrients to Plant Growth Analysis and Rice Productivity Affected by Salt Stress (NaCl) Nasrudin Nasrudin; Aditya Wahyudhi
International Journal of Agriculture System VOLUME 9 ISSUE 2, DECEMBER 2021
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (975.79 KB) | DOI: 10.20956/ijas.v9i2.2851

Abstract

The use of liquid silica nutrients under salt stress can increase plant resistance through cell wall thickening which will also affect to increase productivity. The study aims to examine the effect of liquid silica nutrients to plant growth analyze and rice productivity affected by salt stress (NaCl). The experiment used a factorial completely randomized design. The first factor was NaCl concentrations consisted of 0 dS m-1, 4 dS m-1, 8 dS m-1, and 12 dS m-1. The second factor was application of liquid silica nutrients consisted of 0.2 mL L-1, 0.4 mL L-1, and 0.6 mL L-1. The treatments were repeated three times. Increasing the NaCl concentration to 12 dS m-1 when the plants were 4 weeks after planting caused a decrease in leaf area index. The addition of liquid silica nutrients with concentration up to 0.6 mL L-1 under salted conditions led to an increase in root shoot ratio, and the addition of liquid silica nutrients with concentration of 0.6 mL L-1 in salted conditions of 4 dS m-1 caused an increase in plant growth rate. The results showed that the leaf area index, leaf area ratio, root shoot ratio, and plant growth rate were positively correlated with plant biomass. Furthermore, the root shoot ratio had a positively correlated with productivity, the harvested index had a positively correlated with the number of productive tillers, percentage of filled grains, and rice productivity. However, the net assimilation rate and harvested index were negatively correlated with plant biomass.
Agricultural Land Evaluation Using GIS-Based Matching Method in Highland Areas for Oil Palm Cultivation Muhammad Rendana
International Journal of Agriculture System VOLUME 9 ISSUE 2, DECEMBER 2021
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijas.v9i2.4257

Abstract

Oil palm (Elaeis guineensis) is one of the commodity crops and mostly found in tropical lands. This study aimed to analyze the current and potential land suitability for oil palm using the geographic information system (GIS) technique. The study was conducted in the Ranau area, State of Sabah, Malaysia. Field activity was carried out to collect soil samples and land information in the study area. Land suitability was then assessed using the matching method and GIS software was employed to produce a land suitability map for oil palm. The results indicated that the current land suitability classes in the study area were highly suitable (S1) with a total area of 99,118 ha (27.4%), moderately suitable (S2) with 110,108 ha (30.4%), marginally suitable (S3) with 109,533 ha (30.2%), currently not suitable (N1) with 2,728 ha (0.7%), and permanently not suitable (N2) with 40,693 ha (11.3%). While the potential land suitability classes showed highly suitable (S1) was 198,206 ha (54.7%), moderately suitable class (S2) was 123,281 ha (34%) and permanently not suitable (N2) was 40,693 ha (11.3%). Suitable areas that could be planted with oil palm included the gently sloping flank and the low gradient slope margin. Availability of nutrients and work capability were the dominant limiting factors in the study area. The output of this study recommends that the Ranau area had the potential for oil palm although it still needs land improvements for sustainable oil palm cultivation.
Agricultural Land Evaluation Using GIS-Based Matching Method in Highland Areas for Oil Palm Cultivation Muhammad Rendana
International Journal of Agriculture System VOLUME 9 ISSUE 2, DECEMBER 2021
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijas.v9i2.4259

Abstract

Oil palm (Elaeis guineensis) is one of the commodity crops and mostly found in tropical lands. This study aimed to analyze the current and potential land suitability for oil palm using the geographic information system (GIS) technique. The study was conducted in the Ranau area, State of Sabah, Malaysia. Field activity was carried out to collect soil samples and land information in the study area. Land suitability was then assessed using the matching method and GIS software was employed to produce a land suitability map for oil palm. The results indicated that the current land suitability classes in the study area were highly suitable (S1) with a total area of 99,118 ha (27.4%), moderately suitable (S2) with 110,108 ha (30.4%), marginally suitable (S3) with 109,533 ha (30.2%), currently not suitable (N1) with 2,728 ha (0.7%), and permanently not suitable (N2) with 40,693 ha (11.3%). While the potential land suitability classes showed highly suitable (S1) was 198,206 ha (54.7%), moderately suitable class (S2) was 123,281 ha (34%) and permanently not suitable (N2) was 40,693 ha (11.3%). Suitable areas that could be planted with oil palm included the gently sloping flank and the low gradient slope margin. Availability of nutrients and work capability were the dominant limiting factors in the study area. The output of this study recommends that the Ranau area had the potential for oil palm although it still needs land improvements for sustainable oil palm cultivation.

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