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Jurnal Lahan Suboptimal

jlso
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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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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 Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Sahar et al, 2016.Â Increasing of Polyunsaturated Fatty Acids (Pufas) by Using Rhizopus Orizae in theÂ 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.

KajianKehilangan Hasil Pada Pengeringan dan Penggilingan Padi di Lahan Pasang Surut Sumatera Selatan Budi Raharjo; Dedeh Hadiyanti; Kgs. A. Kodir
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 1 No. 1 (2012)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Raharjo et al., 2000.Â Study of Yield Losses during Drying and Milling of Paddy in Tidal Lowland of South Sumatra. J. Lahan Suboptimal 1(1):72-82.In tidal lowland of South Sumatra low quality rice called beras batik is commonly found. Beras batik is rice that is low in both quality and prices. The low quality rice grains have high fracture, the percentage of head rice is only 25%, while the percentage of yellow grain exceeds 50%, and its selling price is only Rp. 1800/kg in 2004. The main causes were poor harvest and post harvest handling, delaying harvest and post harvest due to the lack of manpower and facilities owned by farmers. The condition was worsened by the heavy rainfall during harvest time and sometimes coincided with high tide. The study was conducted on July 2011 (dry season) in tidal lowland reclamation area of Telang Rejo village, Muara Telang Sub-district, Banyuasin Regency. In this study 2 post-harvest technologies were introduced to improve harvesting techniques and post harvest handling; (1) Drying assessment of Grain Dryer Machine Fueled withhusk, and (2) Study the Different Configurations of Rice Milling Unit. Lost during drying was 2.77 for sun drying compared to 7.13% with box dryer. Field testing at RMU 1 showed that milling recovery using box dryer (63.5%) was higher than sun drying (61.6%). But, at RMU 2 milling recovery for box dryer (61.3%) was lower than sun drying (63.7%). For milling losses, box dryer (4.99%) was lower than sun drying (5.99%).

Pemanfaatan Lahan Tadah Hujan untuk Budidaya Padi Unggul dalam Menghadapi Perubahan Iklim Rina Kartikawati; Ika Ferry Yunianti; Anicetus Wihardjaka; Prihasto Setyanto
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 6 No. 2 (2017): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Kartikawati et al, 2017.Â Utilization of Rainfed Rice Areas for High Yielding Rice Cultivation on Climate Change. JLSO 6(2):142-149.Many efforts have been conducted by Indonesian government for national food supply and food security through rice cultivation on sub optimal lands in accelerating food sustainability particularly rice, maize and soybean. The rainfed area is an important sub optimal land which should be developed due to 26,5% of Indonesia rice production produced from cultivation system in those area. However, the cultivation in rainfed areas have challenges such as changing of rainfall pattern due to climate change. Therefore, to obtain the information of productivity from high yield rice varieties and methane emission in rainfed area, a study has been conducted by applying innovation of environmental friendly technology such as fertilizer use based on integrated cropping calendar. The study was carried out at Research Station of Indonesian Agriculture Environment Research Institute in Jakenan, which is one of rainfed area in Pati District, Central Java Province. The study was conducted on first growing season (GS 1) or rainy season by applying direct seeded system using rice seeder. Four rice varieties were used for this study, namely Ciherang, Dendang, Inpari 31 and Inpari 24. The study showed that productivity of four rice varieties were 5.92; 7.10; 5.06 and 7.41 t/ha, respectively. Methane emission was significant different among the varieties as 232; 319; 300 and 405 kg/ha/season, respectively.

Uji Adaptasi Beberapa Varietas Sorgum (Sorghum bicolor L.) pada Lahan Kering di Kabupaten Ciamis, Jawa Barat Nana Sutrisna; Nandang Sunandar; Anas Zubair
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Sorghum is one of the crops that can be used as a source of food, animal feed, and industrial raw materials. Sorghum is also resistant to drought, so the potential to be developed on land suboptimal, including on dry land in Kudat District, West Java Province. The research aims to determine the adaptability of some varieties of sorghum on dry land in Kudat District, West Java Province. Research conducted dilahan farmers in July to November 2011. Experiments using Randomized Complete (RAKL) with seven varieties of treatment and repeated three times. To seven varieties tested were (1) Numbu, (2) Kawali, (3), Padjadjaran University 1, (4) Padjadjaran 2, (5) Batari, (6) Keller, and (7) Taomitsu. Data growth and yield components and yield is analyzed by the Duncan test at 5% level. The results showed that (a) all of the tested sorghum varieties well-adapted to dry land in Kudat District, West Java Province, and (2) varieties numbu, unpad 2, and Kawali give different results, both to the growth variables and components yield and productivity but better than the four other varieties, so that the three varieties can be developed on dry land in Kudat District, West Java Province.

Penggunaan Bungkil Inti Sawit dan Enzim Mannanase dalam Ransum terhadap Performa Produksi Telur Puyuh (Coturnix coturnix japonica) Noferdiman Noferdiman; Sestilawarti Sestilawarti; Zubaidah Zubaidah
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 1 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Noferdiman et al, 2019. The use of palm kernel meal and mannanase enzyme in diets on the production performance of quails (Coturnix coturnix japonica) . JLSO 8(1):11-19.The objective of the study was to investigate the effect of the levels of palm kernel meal and mannanase enzyme in diets to get the best performance of quails. It was used the 180 female quails in treatment combination using the completely randomized design in factorial arrangement of 2 x 3 with 3 replications. Each unit study consisted ofÂ 10 quails. The treatment consisted of 2 levels of mannanase enzyme, i.e. 0.00, 0.10 % and 3 levels of palm kernel meal additions, i.e. 0, 10 and 20 %. The results of the study showed that the use of mannanase enzyme and palm kernel meal and their interaction were no significant (P>0.05) affected feed consumption, eggs production, feed conversion, egg weight, egg shell thickness, and haugh unit (HU). The use of mannanase enzyme highly significant (P<0.01) affected on eggs production and feed conversion however there were no interaction between the treatments. It was concluded that the addition of 0.10 % of mannanase enzyme in diets consisting 20% palm kernel meal can improve the performance egg production of quails.

Inokulasi Fungi Mikoriza Arbuskular Indigen Untuk Bibit Karet pada Tanah Bekas Tambang Batubara Margarettha Margarettha
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 2 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Mining activities provide economic benefits and also cause environmental and land ecosystems damages. The damage caused by such top soil layer loss, drought, soil compaction, low water holding capacity, poor nutrient (macro nutrients), accumulation of toxic elements and highly acidic soil reaction. Mined land reclamation of coal with bio-fertilizer technology as arbuscular mycorrhizal fungi (AMF) indigenous is one of the technologies for revegetation of land with environmentally friendly systems. This study aims to get a AMF biofertilizers indigenous effective and adaptive for rubber seedlings planted in coal-mined soil. Research used a completely randomized design with one factor that the FMA indigenous derived from in coal-mined soil; A (without inoculation; B (inoculation of Glomus sp-5), C (inoculation of Glomus sp-6), D (inoculation of Glomus sp-7), E (inoculation of Glomus sp-12), F (inoculation of Glomus sp-15); G (inoculation Acaulospora sp-1), H (inoculation Acaulospora sp-2), I (inoculation Acaulospora sp-3), J (inoculation Acaulospora sp-4), K (a combination of all-Glomus sp), L (a combination of all Acaulospora sp), M (combined all-Glomus sp-sp and Acaulospora). Data were analyzed with a 5% level of variance followed by DMRT 5% level. parameters measured were AMF colonization, seedling height, dry weight, available P, pH and Al. Research results can be concluded that the inoculation of all AMF Glomus sp and Acaulospora sp gave the highest colonization 53.33%, increased soil pH 15%, decreased the Al 56% and increased the available P of 9.25%.

Respon Perkecambahan Kemiri Sunan Terhadap Skarifikasi dengan Asam Sulfat pada Berbagai Lama Waktu Perendaman Ahmad Deni Ismail; Duryat Duryat
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 6 No. 1 (2017): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Ismail et al, 2017.Â Responses of Kemiri Sunan Germination to Scarification at Various Submersion Time in Sulfuric Acid. JLSO 6(1):71-77.The duration of submersion and the level of acid concentration which are the decisive factors to succed the chemical scarification. The duration of submersion should be adjusted to the level of seed skin thickness, the level of acid concentration and the type of acid used. This study aimed to analyze the inmersion effect of kemiri sunan seeds in sulfuric acid solution to break the seed dormancy and to get the most effective time of submersion in order to break the dormancy of kemiri sunan seed. The experiment was conducted in the greenhouse for 2 months (62 days). The randomized complete design was employed as experimental method. There were 4 treament tested, i.e : (1) control (without immersion in H2SO4 solution); (2) immersion in H2SO4 solution for 10 minutes; (3) immersion in H2SO4 solution for 20 minutes and (4) immersion in H2SO4 solution for 30 minutes. The results of research showed that control gave the best results in term of the percentage of germination (G), mean daily gremination (MDG), and germination rate (GR).

Kegiatan Agronomis untuk Meningkatkan Potensi Lahan Lebak menjadi Sumber Pangan Zainal Ridho Djafar
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 1 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Agronomical Activities to Increase the Potential of the Swampy Land To Be Food Sources.Â Swampy land is potentially large enough to increase the production of food crops and holticulture. Out of the land area of about 13.2 milion hectares, only about 5 percent has been used intensively. The main problems in land use is the water system and soil fertility. Agronomic activities that can be done to improve the productivity of the land, among others, are improving the water system control, soil amelioration, cropping patterns and use of improved varieties. These activities can increase the production of food crops and holticulture. These activities should be carried out by considering environmental sustainability.

Aplikasi Bahan Organik pada Tanaman Sorgum (Sorghum bicolor L.Moench) var. KD4 di Lahan Kering untuk Peningkatan Penyediaan Hara Suminarti, N.E.; A.Y. Guntoro; A. N. Fajrin
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 7 No. 2 (2018): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Suminarti et al, 2018.Â Application of Organic Matter in Sorghum Plants (Sorghum bicolor L.Moench) var. KD4 on Dry Lands for Soil Nutrient Supply Improvement. JLSO 7(2):144-156.Â The low content of soil organic matter and soil fertility are characteristics of dry land. Therefore, so the land can be utilized for agricultural farming, a material that is capable of acting as a soil improvement is needed, namely organic matter. The study aimed to examine the effect of the source and dosage of organic matter on the supply of nutrients, growth and yield of sorghum plants was carried out in July 2016 in the experimental garden of Â Brawijaya University. A split plot design was used in this study. The sources of organic material (sugar can waste, organic waste compost and cow dung) were set as the main plot, whereas doses of organic matter (125, 100 and 75) % of recommended dosage as subplots. The study was repeated 3 times. Soil analysis was carried out 3 times, namely: (1) before planting (BO, N content, P, K soil, soil pH and soil texture), (2) after application of organic material (BO and N, P, K soil content) and (3) after harvest (BO and N, P, K soil content). The agronomic observations were carried out destructively on generative phase at 80 days after planting (DAP) including the components of growth (root dry weight, leaf area, and total dry weight of the plant) and harvest at age of 90 DAP. F test at 5% level was used to test the effect of treatment, while the difference between treatments was based on LSD level of 5%. The results showed that there was a significant interaction between the source and dosage of organic matter on the variable leaf area and total dry weight. The highest yield was obtained in sugar can waste Â at various doses. Higher yields of seeds per hectare were also found in sugar can waste Â which is equal to 1.76 tons ha-1. The sugar can waste application Â is able to provide N, P and K soil elements of 18.3%, 85.68% and 8.42% respectively compared to organic waste compost and cow dung.

Pengaruh Wadah dan Lama Penyimpanan Serbuk Sari terhadap Viabilitas Serbuk Sari Kelapa Sawit (Elaeis guineensis Jacq.) Mery Hasmeda; Zainal Ridho Djafar; Dwi Asmono; Tardas M.L. Tobing
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 2 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Pollen of oil palm is one of important components that might affect productivity of oil palm (Elaeis guineensis Jacq.). Viability and availability of pollen directly affect the quality and quantity of oil palm. The aim of this research was to evaluate the effect of storage container and time of storage to pollen viability. This research has been conducted at Seed Preparation laboratory of PT. Sampoerna Agro Tbk, PT. Bina Sawit Makmur Mesuji Kabupaten Ogan Komering Ilir. The experimental design being used was Factorial Randomized completely design with two factors were storage containers i.e. Pirex tube reaction (M1), Film Ampoule (M2), Vial bottle (M3) and Glass Ampoule (M4) and time of storage i.e. storage for 0, 1, 2, 3, 4, 5 and 6 months. Each treatment was replicated three times. Parameters being observed included pollen viability, potential of maximum growth and pollen growth rate. The results showed that storage container and time of storage influenced potential maximum growth significantly but there was no effect on pollen viability and pollen growth rate

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Sabri Sudirman

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