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Jurnal Lahan Suboptimal
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 669 Documents
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Produktivitas Feminimisasi Larva Ikan Betok (Anabas testudineus) Menggunakan Ekstrak Buah-buahan dengan Metode Dipping Helmizuryani Helmizuryani; Boby Muslimin; Khusnul Khotimah
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 1 (2016): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.5.1.2016.207

Abstract

Helmizuryani et al, 2016. Productivy of Feminization of Anabas testudineus Larvae Used Fruits Extract by Dipping Method. JLSO 5(1):35-42.Anabas testudineusis one of indigenous fish in Indonesia spread on swamp and river, need attention because the population endangered and higher people consumption. This research aims to identification fruits extract function toward larvae feminization. It has dipping together with larvae for 10 hours, which doze 3 ml/l by different fruits extract.The larvae was 7 days old. After dipping, it has rearing on aquarium during 90 days became seed stage which observation sex ratio and seed growth.  This research was conduct on hatchery at Community Unit “Mulia” Plaju, Palembang and Chemical Laboratory, University of Muhammadiyah Palembang from Februari until April 2016. Larvae was got from broodstock reproduction at hatchery. Experiment method used completely ramdomized design and three treatment of different fruits extract, and three repetation.The treatment are P1: the avocado extract, P2: the bengkoang extract, and P3: date palm extract. The experiment showed the higher survival rate was P2 (64,44%), the higher length growth was P1 (3,11 mm), the highest weigth growth was P1 (1,03 gr). The best sex ratio for female was P1 (74.07%).The best sex ratio for male was P2 (48,12%).
Mobilisasi Bibit Padi Unggul sistem Dapog antar Kabupaten Sebagai Alternatif Penyediaan Bibit Padi Guna Mendukung Percepatan Tanam Padi di Kalimantan Selatan Abdul Sabur; Putu Sri Ratmini
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 1 (2016): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.5.1.2016.212

Abstract

Sabur et al, 2016. Paddy Seed Superior mobilization Dapog system between the District as an Alternative Provision Paddy Seed to Support Accelerating Paddy Planting in South Kalimantan. JLSO 5(1):43-52.Breeding technology using dapog can be an alternative for the provision of rice seeds that can be mobilized anywhere even distances. In application required correct technique when the rolls of rice seeds will be moved so that no damage, and rice seeds can be used for optimal planting. The purpose of this study was conducted to determine the proper technique for memindahan seeds to great distances that use dapog seedlings, and to know which crop performance in mobilization after two weeks grown in paddy fields. This activity was conducted in August 2016, the nursery of paddy system dapog carried out in the village of Bungur New District of Tapin Central Tapin district, the rice seedlings were transferred to the village of Pangambau Hulu subdistrict Haruyan Hulu Sungai Tengah with the distance of 69 km and takes about 1 hour and 25 minutes to then directly planted in paddy fields that had been prepared. The research method with direct observations and describe. From the observation data obtained as follows, 230 rolls of seeds brought, 222 rolls can be directly planted using planting machines Jarwo trasplanter. In addition the level of damage to a minimum or an average of 1.5%, while the highest damage is due to wither due to the distance and wind by 2% or 5 rolls of a total of 230 scrolls were brought, and position rolls of rice seedlings that much gain exposure is positioned on top of the pile. Vibrations caused by road conditions are not smooth when seedlings in mobilization also occurred on a roll topmost ditumpukan seedlings, the number of rolls fall apart as much as 2% or 5 reels. The rolls are oppressed due stacked seed and seedlings were damaged due to errors at the time of rolling 1%. Placements are set up well during the trip, and experienced technical personnel, making seed rolls only minimal shifting. Mobilization time better morning and the movement speed of the car attempted stable with an average speed of 40-60 km / h on a smooth path to reduce wind into rolls seed and on the bumpy roads the speed reduced to 10-20 km / h or adjust to the road conditions so that the vibration can be minimized.
Pemanfaatan Sari Timun untuk Mengurangi Tingkat Stres dan Meningkatkan Kelangsungan Hidup Pascalarva Udang Vaname (Litopenaeus vannamei) selama Masa Penurunan Salinitas Ferdinand Hukama Taqwa; Marsi Marsi; S. Haris
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 1 (2016): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.5.1.2016.215

Abstract

Taqwa et al, 2016. The Using of Cucumbar Extract to Reduce the Stress Level and Increase the Survival Rate of White Shrimp Postlarvae (Litopenaeus vannamei) during Salinity Decreasing Time. JLSO 5(1):53-61.The purpose of this study was to evaluate the effect of adding cucumber extract on the level of stress and survival of white shrimp postlarvae during acclimatization. The method used was completely randomized design with five treatment and three replication of adding cucumber extract that equal 15 ppm (T1), 30 ppm (T2), 45 ppm (T3), 60 ppm (T4) and without adding cucumber extract (T0) as a control. The results showed that addition of cucumber extract equivalent to 15 ppm (T1) in diluents media during 96 hours of acclimatization produce survival 91.67%, body fluid glucose levels are lower at 161.67 mg dl-1 and consumption level of oxygen 4.39 mg O2 g-1 h-1. Physical chemistry value of media acclimatization still in tolerance except in ammonia
Kinerja Beberapa Tipe Moisture Meter dalam Penentuan Kadar Air Padi Fahroji Fahroji; Hendri Hendri
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 1 (2016): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.5.1.2016.232

Abstract

Fahroji et al, 2016. Evaluation of Moisture Meters Performance on Determination of Water Content of Rough Rice. JLSO 5(1):62-70.Moisture content is an important parameter for determining of rice quality. The water content of rough rice affects on milling process because if water content is high, more than 14% of high will result broken rice. The purpose of this research is to study the reliability of moisture meters on determination of the water content of rice grain, accuracy, precision and reproducibility. The sample of measurement are rough rice with 5 different water contents (12%, 14%, 16%, 18% and 20%), while the equipments to be evaluated are the resistance type of moisture meters (Gwon1, Gwon2 and Gwon3), the capacitance type (Kett and Gac), the direct method (type infrared and hot air oven). AOAC method is used as a standard because of its more accurate than the other methods. The result showed that moisture meters performed strong relation with moisture content measured by AOAC as the reference. Kett meter was more accurate than the other moisture meters. All meters showed not satisfied in reliability indicator including accuracy, as well as for Allowed Quality Limit (AQL). Measurement of precision value of resistance type moisture meters indicated high precision and reproducibility from 3 meters are not satisfied.
Penampilan Ratun dari Galur-Galur Padi KeturunanVarietasLokal Bengkulu pada Lahan Rawa Lebak Sumardi Sumardi; M. Chozin; Hermansyah Hermansyah
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 1 (2016): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.5.1.2016.233

Abstract

Sumardi et al, 2016. Ratoon Performances of Rice Lines Generated from Bengkulu Local Varieties on Inland Swamp. JLSO 5(1):71-78.Ratooning offers an opportunity to increase rice production under swampy areas commonly hampered by a limited growing seasons due seasonal water level fluctuation. Present study was undertaken to evaluate the ratoon growth and yield performances of rice lines grown on inland swamp. Eight F4 lines derived from crosses involving Bengkulu local swamp rice varieties (UBPR1, UBPR2,  UBPR3, UBPR4, UBPR6, UBPR7, UBPR9, and UBPR10)  along with two released varieties (Inpara5 and Inpara 6) were grown on inland swamp under a randomized complete block design with three replications. Data were collected on ratoons emerged following harvest of the main crops for plant height,  total tiller number,heading date, productive tiller number, panicle length, grain number per panicle,percent of filled grains per panicle, 100 grain weight,  and grain yield per hill. Results indicated significant variations among the genotypes for most of the observed variables, except total tiller number, grain number per panicle, and percent of filled grains per panicle. UBPR10had produced highest total tiller number (12.6) and productive tiller number (11.6). UBPR1 produced the highest panicle length (19.0 cm) and grain number per panicle (66.43).  UBPR3 exhibited the tallest  (100.13 cm) and highest grain yield per hill (12.023 g), but most delayed heading date (18.0 d).  With respect to the productivity of  ratoon,  UBPR 3 showed the most productive lineby yielding  grain 49.54% of the main crop yield.
Peningkatan Asam Lemak Tak Jenuh (Pufas) Dengan Menggunakan Rhizopus Oryzae Dalam Fermentasi Bekatul Eli Sahara; F. Yosi; Sofia Sandi
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 1 (2016): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.5.1.2016.235

Abstract

Sahar et al, 2016. Increasing of Polyunsaturated Fatty Acids (Pufas) by Using Rhizopus Orizae in the  Fermented Bran. JLSO 5(1):79-85.This study aimed to determine 1) the volume of inoculums and the optimum incubation time during the fermentation process; 2) the types of polyunsaturated fatty acids during fermentation; and 3) the presence of omega-3 essential fatty acids in bran fermentation. The study used fermentation method using R. oryzae. Chromatography-Mass Spectroscopy (GC-MS) was used to determine the type of polyunsaturated fatty acids and omega-3 contained in the fermented bran. This study used 9 treatments, V3H3, V3H6, V3H9, V5H3, V5H6, V5H9, V7H3, V7H6, and V7H9. The results showed 1) the volume of inoculums and the fermentation time V7H3 was the most optimum result; 2) there were 13 types of polyunsaturated fatty acids, and 3) there was the content of omega-3 in bran fermented.
Uji Beberapa Paket Pemupukan Dan Dolomit Terhadap Hasil Kedelai Di Lahan Rawa Pasang Surut Provinsi Jambi Jumakir Jumakir; Endrizal Endrizal; Suyamto Suyamto
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 1 (2016): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.5.1.2016.236

Abstract

Jumakir et al, 2016. Test of Some Packages Fertilization and Dolomite to Soybean Yield in Tidal Swamp Land Province Jambi. JLSO 5(1):86-94.The purpose of this study was to determine the performance and productivity of soybean with various package fertilization and dolomite in tidal swamp land. This assessment was conducted in tidal swamp land with potential acid sulphate soil typology and type of flood water C, Simpang Village Berbak sub District,  East Tanjung Jabung District of Jambi Province in the dry season 2013. The design used was a randomized block design (RAK) with seven treatment and seven replications with an area of 100 m2 each treatment. The assessment results based on the analysis of variance showed significant differences on growth and yield of soybean. Urea fertilizer application, Phonska, and Biofertilizer increase soybean yield 19,61% - 25,25%, while fertilizer Phonska, Dolomite, Manure and Biological Fertilizer soybean yield increased 28,07% - 31,49% compared to the fertilizer Urea and Phonska. Fertilizer application, Phonska, Dolomite, manure and biological fertilizers Soybean Plus gives the highest yield that is 1,89 t/ha.
Analisis Kelayakan Usahatani Kelapa Dalam Migran Jawa Di Lahan Pasang Surut Provinsi Sumatera Selatan Yudhi Zuriah Wirya Purba
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 1 (2016): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.5.1.2016.237

Abstract

Purba et al, 2016. Feasibility Analysis of  Coconut Farming Java Migran in Tidal Land District of South Sumatra Province. JLSO 5(1):95-104.This study aims to calculate the production cost incurred, income received from coconut farming and analyze the feasibility of coconut farming by Javanesse migrants on tidal land of the Sungai Semut village, District of Makarti Jaya, Banyuasin Regency. The research methods being conducted is survey and the sampling method is simple random sampling, and the number of samples taken are 15 farmers from entire 160 of the population. The results shown that the average production cost number spent in coconut farming is Rp 3.687.512,00, meanwhile the average income earned is Rp 11.282.488,00 for each production process.  Financially, the results of analysis shown that with the NPV atRp 14.378.857,00 hence the value of IRR is 22,98 percents  and the value of Net B/C 1,65 that means the coconut farming is feasible to be implemented.
Kajian Ragam Aksesi Duku (Lansium domesticum Corr.) di Kabupaten Musi Banyuasin Berdasarkan Karakter Morfologi, Anatomi dan Fisiologi Susilawati Susilawati; Munandar Munandar; Jeis Dwi Merida
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 1 (2016): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.5.1.2016.238

Abstract

Susilawati et al, 2016.  Study Variaty of Duku Accession (Lansium domesticum Corr.) in Musi Banyuasin Regency Based on Morphology, Anatomy and Physiology Characters. JLSO 5(1):105-118.   One duku production center in South Sumatra is Musi Banyuasin. The aims of this research was to know character of  morphology, anatomy and physiology of duku accession (Lansium domesticum Corr.) in Musi Banyuasin Regency. This research was carried out on February until April 2016 in Musi Banyuasin regency. The method being used was direct observation and survay. The Observations took on quantitative and qualitative characters included morphology, anatomy and physiology characters. The results analyzed by comparing diversity of phenotypic variance and standard deviation values. Genetic relationship determined using cluster of program-pc NTSYS 2:02 by clustering analysis. The result of research showed duku in Musi Banyuasin has a diversity phenotypes of quantitative and similarity qualitative characters except the color of leaves. The level of duku diversity in Musi Banyuasin  was 48% with similarity rate 75%.
Respon Aplikasi Kapur Terhadap Beberapa Sifat Kimia Tanah Lahan Pasang Surut Akbar Paripurna; Dedik Budianta; Adipati Napoleon
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 6 No. 1 (2017): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.6.1.2017.244

Abstract

Paripurna et al, 2017. Response of Lime Application to Some Soil Chemical Properties of Tidal Swamp Land. JLSO 6(1):59-70.Tidal swamp land of Banyu Urip Village Banyuasin District South Sumatera Province has a pH 4.5, 4.96 cmolkg-1 Al-exch, >20% Al saturation, low Ca and Mg availableity and contain Pyrite. This study analyzed response of lime application to some soil chemical properties of tidal swamp land. Lime used was dolomite. The research was conducted on April 2017.Lime dosages consisted of 0.00 ton ha-1, 0.81 ton ha-1, 1.63 ton ha-1, 2.45 ton   ha-1, 3.26 ton ha-1 and 4.07 ton ha-1 respectively mixed to 10 kg soil and placed to polybags than incubated for 7 days.Variables measured were soil pH, K-exch, Ca-exch, Mg-exch, Al-exch, CEC, H-exch and Al saturation. The results showed that lime with 3.26 ton ha-1 dosage gived best results by increased Mg-exch up to 0.85 cmolkg-1 and   decreased H-exch down to 1.14 cmolkg-1, while lime with 4.07 ton ha-1 dosage gived best results by increased soil pH up to 4.95, K-exch 0.64 Cmolkg-1, Ca-exch 2.18 cmolkg-1, and CEC 15.23 cmolkg-1, also decreased Al-exch down to 1.96 cmolkg-1 and Al saturation down to 12.87%. Lime as an ameliorant to acidic soil is effective to increase soil nutrients, decrease soil acidity, Al-exch and Al saturation that influenced by fertilization.

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