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Potential Land Suitability for Cardamom (Elettaria cardamomum) Cultivation in Topos District, Lebong Regency Kuswara, Dio Afrizal; Hindarto, Kanang Setyo; Utami, Kartika; Barchia, Muhammad Faiz; Widiyono, Heru
TERRA : Journal of Land Restoration Vol. 7 No. 2 (2024)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.7.2.53-65

Land suitability evaluation is crucial for determining the characteristics and quality of land to support cardamom cultivation. This study aims to map land suitability classes and assess the potential for cardamom cultivation in Topos District, Lebong Regency. Conducted from June to December 2023, the research employed survey methods, land classification, and descriptive presentation of results. Tools such as Avenza Map, soil augers, GPS, clinometers, Munsell Soil Color Charts, and laboratory soil analysis were used, supplemented with secondary data sources. Land suitability was determined using a matching technique for individual land characteristics. The results indicated that the actual land suitability for cardamom in Topos District is predominantly in the S3 class, covering 11,722.95 hectares (71.43%), limited by factors such as nutrient availability and steep slopes. Potential land suitability was classified into four categories: S1 (1,825.94 hectares, 11.12%), S1rc (727.35 hectares, 4.43%), S2rc (2,342.88 hectares, 14.27%), and S2 (5,326.63 hectares, 32.46%). Recommended improvements include liming, fertilization, organic matter application, and soil and water conservation to enhance land suitability. The most suitable areas for cardamom cultivation include shrubland, rice fields, open land, and mixed dryland farming. Economic analysis revealed a favorable B/C ratio of 1.11, signifying profitability. This study highlights the considerable potential for cardamom cultivation in Topos District, provided that sustainable land management practices are implemented. The findings underscore the crop’s economic viability, offering valuable insights for policymakers and farmers seeking to optimize land use while fostering economic growth and reducing environmental impact.

Growth and Yield Response of Bambara Groundnuts (Vigna subterranea L ) to the Mixed of Peat and Mineral Soil with Several Dosage of Dolomite Pamungkas, Inggi; Turmudi, Edhi; Hindarto, Kanang Setyo
Akta Agrosia Vol 20 No 2 (2017)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (969.402 KB)

Bambara groundnut (Bogor groundnut) was an alternative food crops having high nourishing, better taste and bigger size nut than the soy beans and peanuts. To meet the need for food and industrial needs, the program to increase production of Bogor groundnut was required, one of which is the use of peat as a growing medium using the technology of mixing peat and mineral soil. The research objective was to obtain a mixture of peat with mineral soil and dolomite lime dose suitable for the highest growth and yield of Bogor groundnut. This study was conducted in May 2015-September 2015 in the Greenhouses of Faculty of Agriculture, University of Bengkulu. The experiment was arranged in a completely slot deposit 5000 randomized design (CRD) with two treatment factors and three replications. The first factor was soil mix of peat and mineral soil (G0: 100% peat + 0% mineral soil; G1: 75% peat + 25% mineral soil; G2: 50% peat + 50% mineral soil; G3: 25% peat + 75% mineral soil) and the second factor was the dose of dolomite (D0: without lime dolomite; D1: 3 ton ha-1 and D2: 4 ton ha-1). The results showed that the response of biomass dry-weight to a mixture of peat with mineral soil was influenced by the dose of dolomite, but there was no interaction on other variables. Treatment of a mixture of peat 100% alone was capable of generating the highest number of leaf, biomass fresh- and dry-weight. Bogor groundnut plants showed the same response to the dose variation of dolomite lime. Keywords: Bogor groundnut, peat, mineral, dolomite

Performance of Fifteen F5 Pedigree Upland Rice Lines in Ultisol Luwih, Bagus Edi; Rustikawati, Rustikawati; Hindarto, Kanang Setyo
Akta Agrosia Vol 20 No 2 (2017)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (657.282 KB)

ABSTRACTRice (Oryza sativa L.) is a rice-producing crop that is the main food source for most of Indonesia's population. Although rice production increases but needs to be maintained. One of the efforts in maintaining rice production is by assembling superior paddy varieties that are adaptive to Ultisol soil. This study aims to compare the appearance of 15 lines of upland rice grown in Ultisol soil and choose the best lines based on index selection. The research was conducted on August 2015 until January 2016 at New Field Experiment Garden of Agriculture Faculty of Bengkulu University of Kandang Limun Sub-District, Muara Bangkahulu Sub-district, Bengkulu City. The experimental design was Randomized Block Design (RAKL) with 3 replications. As the treatment is 15 lines of rice are G1, G2, G3, G5, G8, G13, G16, G24, G30, G32, G35, G40, G44, G45, and G50. Of the 15 gogo rice strains tested showed that the generative and vegetative variables did not significantly affect the number of leaves, the number of productive tillers, the number of pithy grains per panicle, the weight of the grain per panicle, the weight of 100 grains, and the weight of grain per hill.keywords: upland rice, Ultisol, yield

The Potential for Cultivating Nutmeg (Myristica fragrans Houtt) in Rimbo Pengadang and Topos Districts of Lebong Regency Nabella, Reni; Hindarto, Kanang Setyo; Barchia, Muhammad Faiz; Widiyono, Heru; Supanjani
TERRA : Journal of Land Restoration Vol. 7 No. 1 (2024)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.7.1.23-32

The research, conducted from January to September 2023, aimed to map land suitability classes for nutmeg plant development. The evaluation results are presented descriptively and involve three main stages: pre-survey, field survey, and tabulation with data analysis. Primary data collected for this research include soil analysis results from the laboratory, complemented by secondary data. The determination of land suitability utilizes matching techniques for each land characteristic. The actual land suitability results for nutmeg in Rimbo Pengadang and Topos Districts are categorized as follows: S3eh (37.77%) 14,460.93 ha, with the limiting factor being erosion hazard. S3na eh (37.07%), 14,175.10 ha, with limiting factors related to nutrient availability and erosion hazards, S3na (6.77%): 2,592.64 ha, with limiting factors in nutrient availability, S2wa nr na eh (5.34%): 2,044.04 ha, facing limitations in water availability, nutrient retention, nutrient availability, and erosion hazard, S3rc eh (1.30%) 499.43 ha, with a limiting factor for rooting media and erosion hazard, S3rc (0.90%): 346.35 ha, with a limiting factor in rooting media and N (not suitable) (9.10%) 3,484.74 ha. Regarding potential land suitability, the classes are as follows: S1 (44.89%) 17,186.07 ha, S2 (43.80%) 16,767.80 ha, S3rc (2.21%) 845.79 ha, and S3 (9.10%): 3,484.74 ha. The areas with potential for developing nutmeg plants in Rimbo Pengadang and Topos Districts, Lebong Regency, include secondary forest, mixed dry land farming, open land, and bushes.

Evaluation of Selected Soil Physical Properties in Oil Palm, Rubber, and Forest Land in Mukomuko Regency Nurwanto, Ahmad; Hermawan, Bandi; Widiyono, Heru; Sulistyo, Bambang; Hindarto, Kanang Setyo
TERRA : Journal of Land Restoration Vol. 8 No. 1 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.8.1.20-29

This study investigates the influence of land use on soil physical properties and horizon thickness in Mukomuko Regency, Indonesia, to assess the impacts of agricultural practices on soil quality. Conducted between February and April 2020, the research utilized a nested design across four districts, with laboratory analyses performed at the Soil Science Laboratory, Bengkulu University. Land use types evaluated included oil palm, rubber, and natural forest. Variables measured comprised soil structure, horizon thickness, aggregate stability, bulk density (BD), texture, and organic carbon (C-organic). Statistical analysis (ANOVA, p < 0.05) revealed significant effects of land use on BD, C organic content, and soil texture, whereas aggregate stability was not significantly influenced by vegetation type or depth. Forest soils exhibited the highest C-organic content (5.78%) and lowest BD (0.82 g cm⁻³), contrasting with oil palm soils, which had the lowest C-organic content (4.22%) and highest BD (0.86 g cm⁻³). Texture analysis showed forest soils had higher sand (19.69%) and clay (50.20%) fractions, while rubber land had the highest silt content (57.59%). Soil physical properties generally declined with depth under rubber and oil palm but fluctuated in forest soils. These results suggest that vegetation type significantly affects soil quality, with forest ecosystems maintaining superior soil conditions compared to intensively managed agricultural systems. Adoption of sustainable land management practices is essential to mitigate soil degradation and enhance long-term productivity.

Evaluation of Land Suitability and Potential Development of Cardamom (Amomum compactum L.) in Padang Jaya Subdistrict, North Bengkulu Regency Faisal, Muhammad; Sulistyo, Bambang; Hindarto, Kanang Setyo; Lovita, Vinni
TERRA : Journal of Land Restoration Vol. 8 No. 1 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.8.1.10-19

Cardamom (Amomum compactum) is a high-value spice with significant applications in the pharmaceutical, food, and cosmetics industries. The increasing global demand makes cardamom a promising commodity for agricultural expan sion. However, limited information on land suitability in Padang Jaya Subdistrict poses a challenge to optimizing cultivation. This study aimed to map the land suitability classes for cardamom cultivation and assess the potential for cardamom development in Padang Jaya Subdistrict, North Bengkulu. The research involved in field surveys, soil sampling, laboratory analysis, and GIS-based land suitability evaluation using the FAO framework. Key parameters as sessed included rooting media, nutrient retention, slope, and climate condition in the past 10 years. The FAO classification system categorized land into four suitability classes, namely: S1 (high suitable), S2 (moderately suitable), S3 (marginally suitable), and N (not suitable). The result indicate the actual land suitability is predominantly S3nrnaeh and S2nrnaeh, with major limiting factors including rooting media, nutrient retention, nutrient availability, and slope. Land improvement efforts such as liming, organic matter applications, fertilization, and soil conservation techniques led to an increase in land suitability, with 62.3% of S3 land upgraded to S2 and 37.7% of S2 land reached S1. Furthermore, GIS-based analysis identified four land cover types suitable for extensification: mixed gardens, seasonal crops, plantations, and bare land, totaling 8,747.71 hectares. These findings provide valuable insights for optimizing land use planning, improving productivity, and promoting sustainable agricultural development. Integrating GIS and remote sensing in future studies could enhance land suitability assessments with a more refined spatial scale. The results also serve as a scientific reference for policymakers and farmers in designing sustainable land management strategies and minimizing environmental degradation.

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