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Jurnal Lahan Suboptimal

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Published by Universitas Sriwijaya

ISSN : 22526188 EISSN : 23023015 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal Lahan Suboptimal: Journal of Suboptimal Lands (JLSO) (p-ISSN 2252-6188; e-ISSN 2302-3015) publishes original research papers, literature reviews, and short communications that cover on topics relevant to suboptimal lands: freshwater swamps, tidal lowlands, peatlands, dry and dry acid lands, shaded ecosystem, ex-mined lands, saline and marine coastal wetland ecosystems. The Journal serves as a multi-disciplinary forum covering key issues in Suboptimal Lands science and technology, management, policy and ecological economics. The journal is published by Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO), Universitas Sriwijaya. The journal was first published on April of 2012 with twice per year in frequency on April and October.

Arjuna Subject : -

Articles 323 Documents

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Keanekaragaman Spesies Pemangsa Thrips (Thysanoptera:Thrypidae) di Sekitar Pertanaman Cabai (Capsicum annuum L.) di Dataran Rendah dan di Lahan Lebak Wilayah Jambi Asni Johari; Dewi Dewi Sartiami
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 1 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Predatory thrips species is very important to restrain pest population in the field. This study was conducted to explore and analyze the diversity of predatory thrips species in and around chili planting in the lowland and swamp areas in Jambi. The survey was conducted at 13 sites in the lowlands and 6 sites in the swamp areas. The survey found 22 species of thrips predators in lowlands and 6 six species in swamp areas which are grouped into nine families. Predatory thrips species in the lowlands were Ammoplanus sp., Cheilomenes sexmaculata, Chilocorus melanophthalmus, Chilocorus ruber, Chrysopoda sp., Coccinella repanda,

Evaluasi Perubahan Iklim dan Pengaruhnya terhadap Pola Tanam, Waktu Tanam serta Produktivitas Kedelai (Glycine max L. Merrill) Di Kabupaten Malang Jawa Timur Ninuk Herlina; S. Fajriani; F. A. Rahman
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 7 No. 2 (2018): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Herlina et al, 2018. The Evaluation of Climate Change and The Effect to Cropping Pattern, Panting Season and Productivity of Soybean (Glycine max L. Merrill) in Malang Regency, East Java. JSLO 7(2):106-120.Â Climate change is a negative impact due to development activities on Earth. Forests that lose function caused degradation and increases in greenhouse gas concentrations cause global warming and trigger climate change. Climate change is thought to affect cropping pattern, planting time and soybean productivity. The purpose of the study was to evaluate the expected climate change and analyze correlation between climatic elements and the pattern and time of planting and soybean productivity. The research was carried out in March to April 2018 in Kalipare, Donomulyo, Singosari and Dau, Malang Regency, East Java. The tool used is a questionnaire. The material are the climate elements, soybean productivity and interview data. This study uses survey research methods. Total respondents were 40 farmers. Climate change analysis by analyzing mean changes in temperature, rainfall and number of rainy days in period 1 (1988-1997), period 2 (1998-2007) and period 3 (2008-2017). Correlation coefficient analysis is used to determine the correlation between climatic elements and soybean productivity and followed by t test. The results show that climate change has occurred in Malang Regency for the past 30 years. The correlation between temperature, rainfall with soybean productivity showed a "low" correlation, while number of rainy days with soybean productivity had a "very low" correlation. Temperature significantly affected soybean productivity in Malang Regency. Soybean cropping patterns was not affected by climate change, but planting time was influenced by shifting seasons.

Degradasi Tanah Lahan Suboptimal oleh Bacillus mycoides Indigenous dan Kinetika Reaksinya Zainal Fanani; Bambang Yudhono; Veriana Romarito Situmorang
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 1 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Research about degradation soil of suboptimal land from Lilin River PERTAMINA Musi Banyuasin Regency, South Sumatera have been done. The aim of this research is knowing the capability of Bacillus mycoides on degradation petroleum hydrocarbon. The measurement of first sludge TPH was 71.1567%. First TPH was become more liquid than before on 5; 7.5; 10; 12.5 and 15% with fresh soil, bulking agent and Bacillus mycoides was added 10% from medium total weight. Incubation for 14 days gives result decreasing TPH on each medium become 2.3679; 4.5123; 5.9070; 6.0223 and 8.0010% which is first order reaction. Medium 10% on incubation day 14th; 17th; 22nd; 26th and 31st. On continue, decreasing TPH is 5.9070; 4.5970; 4.0463; 3.7230 and 3.29% with constant rate reaction on 0.0361 /day. GC-MS result sample analysis shows that Bacillus mycoides have an ability to degradation C19H40; C21H44; C24H50 and C28H58 with percentage of concentrate decreasing from those compound is 99.32%.

Performa dan Determinan Petani dalam Keputusan Adopsi Inovasi Sistem Tanam Padi Rawa di Sumatera Selatan Dessy Adriani; Elisa Wildayana; Idham Alamsyah; Amruzie Minha
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 2 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Adriani D, Wildayana E, Alamsyah I, Minha A. 2019. Performance and determinants of farmers inÂ adoption decision of innovation for swamps rice cropping system in South Sumatra.Â Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):181-191.Â The development of food crops in swamplands became one ofÂ main focus of the government in the development of rice farming in Indonesia. A variety of ecological constraints that accompany the development of agriculture in swamp land overcome by a variety of technological innovations, one of which is with the application of Cropping Index 200 (CI 200) technology. After nearly 5 years of CI 200 technology applied on swamp land is considered necessary for analysis related to the performance of socio-economic of farmers in the adoption of technology innovations CI 200. This study aimed to analyze the socio-economic condition of farmers in adopting IP 200 technology innovation, and analyze the determinants of IP 200 technology adoption decisions. Research was using the survey method and has been carried out in 2 districts, namely Tanjung Lago sub-District, Banyuasin District and Pemulutan sub-District, Ogan Ilir District in June-July 2019. Sampling method used disproportionate stratified random sampling. The analysis of the data was using tabulations, mathematical and logistic regression analysis. The results of the analysis showed that there were differences in the performance of the socioeconomy of farmers adopting and not adopting. The performance of the socio-economic of farmers who adopt were better than farmers who did not adopt the technology CI 200. The factors that determine the farmers adopt were the age, education, origin, experience, income, and the cost of farming.

Preferensi Petani di Lahan Rawa Lebak Sumatera Selatan Terhadap Padi Varietas Unggul Baru (VUB) Hasil Litbang Pertanian (Studi Kasus: Poktan Sinar Sakti Desa Lubuk Sakti Kecamatan Indralaya Kabupaten Ogan Ilir) Renny Utami Somantri; Syahri Syahri
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 4 No. 2 (2015): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

The dissemination of new varieties produced Agricultural Research are usually constrained by farmer preference at the farm level. The level of preferences determined the admissibility of a high-yielding varieties those were introduced. The study of preference was conducted in Lubuk Sakti village, Indralaya District, Ogan Ilir Regency, South Sumatra from April until August 2013. The location is the location of the demonstration plot studies testing new varieties (VUB) Agricultural Research results. Preference test conducted on rice and rice from Ciherang, Inpari 10, Inpari Inpari 12 and 14. Respondents consisted of 20 farmers who are members of farmer groups Rays Way. Parameter assessment consists of rice appearance, color and aroma while the rice is composed of taste, color, texture and aroma. As for the scale for the assessment of rice and rice namely: (1) Very dislike, (2) Dislike, (3) Somewhat Like, (4) Like and (5) Very Like it. The results showed that Inpari 10, Inpari 14 and Ciherang has the potential to be developed in the swampy marsh areas have a preference for rice and rice were good enough that somewhatlike to like. Most farmers in the swampy wetlands preferred rice varieties have furnished (rice fluffier texture).

Populasi Bakteri Tanah pada Padi Pasang Surut dengan Aplikasi Pupuk Cair Neptunia Prostrata Dila Aksani; Siti Nurul Aidil Fitri; Siti Masreah Bernas
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 2 (2016): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Aksani, et al. Soil Bacteria Population in Paddy Tidal Land by Application of Liquid Fertilizer Neptunia prostrata. JLSO 5(2):170-177.Â High soil acidity in tidal lowland influences soil bacteria population. This research aimed to determine soil bacteria population with liquid fertilizer application made by Neptunia prostrata for paddy grown in tidal lowland. This research using factorial completely randomized design with two factors and three replications. The first factor was liquid fertilizer rate, consisting of three levels: 96 mL pot-1(P1), 120 mL pot-1(P2) and 144mL pot-1(P3). The second factor was application period consisting of three times: once time at the planting time (W1), two times at the planting time and harvesting time and three times at the planting time, primordial stage and harvesting time. The result showed that the highest soil bacteria population was 10,94 log spk g-1with the treatment of Â 144 mL pot-1Â liquid fertilizer and given once time at the planting time (P1).

Growth and Persistence of Snakehead Fry Treated with Feed from Snail Flour Ade Dwi Sasanti; Yulisman Yulisman
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 1 No. 2 (2012)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Sasanti & Yulisman. 2012. Growth and Persistence of Snakehead Fry TreatedÂ with Feed from Snail Flour. JLSO 1(2):158-162. An experiment was conducted to observe the effects of feed from snail flour on the growth and survival rate of snakehead fish (Channa striata)fry. There were three treatments, each had three replications, stocked with 20 fry. The three diets treatments were artificial feed A with 35% snail flour, artificial feed B with 40% snail flour and artificial feed C with 45% snail flour. Snail flour was made from Pomacea sp. Survival and growth rate of fry were not significantly different among the three different treatments.

Keanekaragaman Species dan Struktur Komunitas Serangga di Area Reklamasi Bekas Tambang Batubara di Kabupaten Muaro Jambi, Provinsi Jambi Ratna Rubiana; Rima Purnamayani; Araz Meilin
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 7 No. 1 (2018): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Rubiana et al, 2018. Species Diversity and Community Structure of Insect in the Former Area of Coal Mining Reclamation in Muaro Jambi District, Jambi Province. JLSO 7(1):37-42.Â Recovery of land and ecosystems in the form of reclamation is expected to restore lost biodiversity. The success of reclamation can be seen from the recovery of ecosystems and biodiversity in it. However, the study of biodiversity on reclaimed land in Indonesia is still limited to vegetation and has not seen groups of animals especially insects. Insects have a very important functional role in the ecosystem, therefore they can be used as objects of diversity studies in the reclamation area. This study aimed to study the diversity and functional role of insects in the reclamation area. The study was conducted in the reclamation area of a former coal mine in Muaro Jambi Regency. The study area consisted of two different revegetation ages and two different plants. The method of insect collection is by installing pitfall traps with five replications for 2 x 24 hours. The insects were collected from the pitfall trap then identified to the morphospecies level. The results showed that most of the Coleoptera, Diptera, Hymenoptera and Othroptera insects were found in the reclamation area. Insect diversity is influenced by the age of reclamation. One year of reclamation had a lower species than insect age of two years. Based on the results of the analysis show that the composition of insect species showed differences at different reclamation ages. The older the age of reclamation, the composition of insect species tended to resemble the composition of insect species in the forest.

Analisis Konstribusi Pendapatan Usahatani Kelapa Dalam pada Perkebunan Rakyat di Tipologi Lahan Pasang Surut Provinsi Sumatera Selatan Yudhi Zuriah Wirya Purba
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 1 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

This study aims to analyze the revenue comparison monoculture with polyculture farming patterns and the contribution of small holder coconut farming on the household income of families in tidal lowlands type A and B. The study was conducted in Banyuasin and Ogan Ilir Districts where tidal lowland is always inundated. Sample farmers were withdrawn usingproporsionate stratified random sampling. The number of sample were 120 farm house holds monoculture and polyculture farming patterns. The results showed that the income from monoculture and polyculture farming patterns was not significantly different. The coconut farm income in both monoculture and polyculture patterns made major contribution to the household income.

Uji Toksisitas Surfaktan Linear Alkilbenzene Sulfonate (LAS) Histologi Insang dan Hati Benih Ikan Kerapu Bebek (Cromileptes altivelis) Devi Kristianti; Resty Paramitha; Fitri Agustriani; Gusti Diansyah
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 1 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Kristianti et al, 2019.Â Toxicity of Linear Alkilbenzene Sulfonate (LAS) Surfactant Gills and Liver Histology of Humpback Grouper SeedÂ (Cromileptes Altivelis). JLSO 8(1):107-116.LAS is surfactant that is most commonly used because this surfactant is the main cleaning substance contained in detergent. Waste of detergent can give side effects in the tissue of organisms, especially on the gills and liver of fish. The aims of this research were to analyze the toxic effects arised from LAS surfactant to the survival of fish seed experiment with different concentrations, to determine levels of LAS surfactant that are capable to be tolerated and to analyze the gills and liver damage arising from LAS surfactant to fish seed experiment. The test of LAS surfactant toxicity on fish seed experiment was conducted using the laboratory of experimental method, while the testing of gills and liver histology of fish seed experiment with paraffin method and Hematoxylin Eosin (HE) staining. The results showed that LAS surfactant gave toxic effects on Humpback Grouper Seed (Cromileptes altivelis) and gave effect such damage to the gills and liver histology. Toxicity and tissue damage rose as the increase of LAS surfactant concentration. LAS surfactant levels were able to be tolerated by Humpback Grouper Seed test not more than 0,253 mg/l.

Page 19 of 33 | Total Record : 323

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Home Page

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Contact Name Sabri Sudirman

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Contact Name
Sabri Sudirman

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sabrisudirman@unsri.ac.id

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jlsuboptimal@unsri.ac.id

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Kab. ogan ilir,

Sumatera selatan

INDONESIA