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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 Produktivitas Lahan dan Pendapatan Petani Melalui Tanaman Sela Pangan Berbasis Karet Sahuri Sahuri
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 6 No. 1 (2017): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Sahuri et al, 2017. Increasing of Land Productivity and Smallholders Income through Rubber Based Food Crops Intercropping System. JLSO 6(1):33-42.The land between a row of immature rubber period has a potential to produce food crops. The objective of this research was to study the effect of rubber+food crops intercropping system on increasing the land productivity of rubber, the growth of immature rubber trees and smallholders income. The experiment was conducted at the Sembawa Research Station from September 2013 to April 2014. The experiment was carried out as using randomized block design (RBCD). The treatments were four-planting patterni.e: PT1: rubber+upland rice; PT2: rubber+sweet corn; PT3: rubber+soybean; and PT4: rubber monoculture, with three replications.The results showed that food crops as rubber intercrops significantlyeffect on increasing the land productivity of rubber andthe growth of rubber. The added value of planting food crops as rubber intercrops are the efficiency of farming cost and farmer income increase of IDR 4,318,300/planting season/ha with RC ratio 1.38. Farmers have food availability for daily needs during the second year of immature rubber period.

Pengaruh Tumbuhan Liar Berbunga terhadap Tanaman Tebu dan Keberadaan Parasitoid di Pertanaman Tebu Lahan Kering, Cinta Manis Sumatera Selatan Dewi Meidalima
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 1 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Sugarcane is one of commodity plants that can grow well in dry land. Sugarcane plantation area at Cinta Manis is approximately 25,000 hectares. The purposes of this study wereÂ to determine the effect of wild flowering plants on sugarcane and the presence of parasitoids.Â This study was conducted in PTPN VII Cinta ManisÂ South Sumatra, from February to September 2012. The results indicated that wild flowering plants in Cinta Manis sugarcane plantations consisted of 28 families and 91 species. Observation and identification of wildÂ floweringÂ plants conducted on 1 ha plot obtained as many as 23 species, 8 of which are the most dominant species, namely Borreria alata, mitracarpus hirtus, Cyperus tunuiculmis, Cyperus plavipus, Richardia brasiliensis, Cleoma rutidosperma, Ageratum conyzoides, and Â Spermacoce remota. The presence of wild flowering plants had no effect on weight, length, diameter and number of segments of sugarcane. Number of egg parasitoids of sugarcane pests found on land with and without the wild flowering plants as much as 1,489 and 1,508 pieces respectively. Number of parasitoidsÂ larvae were found on the land with and without the wild flowering plants as much as 343 pieces and 234 pieces respectively.

Tingkat Pengetahuan, Sikap dan Perilaku Petani dalam Pengelolaan Konservasi Musuh Alami sebagai Upaya Pengendalian Tungro di Kalimantan Selatan Elisurya Ibrahim; Diah Arina Fahmi; Yayan Suryana
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 7 No. 2 (2018): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Ibrahim et al, 2018. Level of Knowledge, Attitude and Behavior of Farmers in Managing Conservation of Natural Enemies as Tungro Control Efforts in South Kalimantan. JLSO 7(2):121-127.Â Efforts to secure and maintain food self-sufficiency, especially rice that has been achieved by the government, need to be done. One of them is by controlling plant pests and diseases.Another effort that can be done is to utilize the potential of suboptimal land such as swamps, in addition to optimizing irrigated and rainfed rice fields.Tungro is an important disease that can be threaten rice productivity. Conservation of natural enemies as one method of tungro control needs to be studied at the farmer level. Thepurposes of this study were to examine the level of knowledge, attitudes and behavior of farmers in the conservation management of natural enemies in swamps. This research was conducted at Guntung Ujung, Banjar District South Kalimantan on August 2017.Site selection was carried out by purposive sampling because the location was one of the tungro endemic areas in 2014. The primary data were collected using interviews on 37 respondents farmers, while secondary data was obtained from relevant agencies.Data were analyzed descriptively by scoring.The results showed that the level of knowledge of farmers on the management of conservation of natural enemies belonged to the medium category (64.13%), as well as the attitude of farmers towards the management of conservation of natural enemies was grouped to the medium category (65.77%). The behavior of farmers in supporting the management of conservation of natural enemies was belonged to the medium category (53.67%).

Upaya Peningkatan Pemulihan Tanaman Padi Terhadap Cekaman Terendam Melalui Perlakuan Pemupukan Setelah Terendam Gribaldi Gribaldi; Rujito A. Suwignyo; Mery Hasmeda; Renih Hayati
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 2 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Plants get stressed shortly after submerged, to improve the recovery and subsequent metabolic processes as well as internal repairs required plant availability of adequate carbohydrate reserves after submerged. Giving fertilization treatment after being submerged is an effort to improve plant recovery after being submerged. This study was aimed to obtain the best fertilization to increase rice recovery to submergence stress through the fertilization after being submerged. The experimental design used was factorial completely randomized design with three replications. The factor consists of rice varieties (Inpara 3 dan IR 64) and treatment (N): Without soaking, basic fertilization (N1), submerged 7-14 DAP (fertilization of N, P2O5, K2O (N2), and fertilization of N, P2O5, K2O + (Si + Zn) (N3), as well as fertilization of N, P2O5, K2O + PPC micro (N4)) given 7 days after submerged, the submerged 7-14 and 28-35 DAP (N, P2O5, K2O (N5), and fertilization of N, P2O5, K2O + (Si + Zn) (N6) and fertilization of N, P2O5, K2O + PPC micro (N7)) given 7 days after the first submerged. The results showed that the growth and grain yield decreased with more frequent of rice plants in stress submerged condition. Fertilization can improve recovery after being submerged rice plants, where the best recovery obtained on varieties of rice plants treated with fertilization of N, P2O5 and K2O + PPC micro 7 days after being submerged.

Dampak Pemberdayaan Perempuan terhadap Perilaku Ekonomi Rumah Tangga (Studi Kasus pada Kelompok Wanita Tani di Kota Prabumulih, Sumatera Selatan) Rona Anggrainie; Siska Alfiati
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 2 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Anggrainie R, Alfiati S. 2019. The impact of womenâ€™s empowerment on household economic behavior (case study of farmer womenâ€™s group in Prabumulih, South Sumatra). Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):192-201.Â Â This study aimed to analyze the level of family welfare as a result of the empowerment of women through the Women Farmers Group. The analytical method was carried out descriptively by tabulating data, then analyzed by comparing with the reference level of the prosperous family and its indicators based on the conditions set by the BKKBN. To analyze the impact of women's empowerment on household economic behavior, it was carried out using multiple linear regression analysis. Sampling was carried out by a simple random sampling method of 60 housewives who were members of the Wanita Tani Group. The results of this study indicated that when viewed from the indicators set by the BKKBN, the majority of Women Farmers Households were in the Prosperous Family II category. Simultaneously, the variable intensity of the participants, the number of family members, the age of the mother, the level of education of the mother had a significant effect on the level of income, maternal work time, and household consumption in the City of Prabumulih. But partially, the intensity of the participants had a significant effect on time spent working and household expenses, while on household income was not significant.

Peningkatan Pertumbuhan dan Produksi Jagung Manis Melalui Penerapan Sistem Pengolahan Tanah dan Pemberian Mulsa pada Lahan Gribaldi Gribaldi
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 4 No. 2 (2015): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Tillage and mulching are intended to create good soil conditions which is suitable for plant growth so could increase crop production. This study aims to gain tillage system and the organic mulching which can improve the growth and the production of sweet corn on the dry land. The experimental design used in this study is a randomized block design arranged as factorial with two treatments factors and three replications. The first factor is tillage which consists of no tillage (P0), minimum tillage (P1), and maximum tillage (P2). The second factor is mulching which consists of no mulching (M0), mulching (M1). The results showed that the soil tillage system and mulching affect on growth and production of sweet corn, minimum soil tillage systems and mulching best affect on the growth and production of sweet corn on the dry land.

Teknologi Mitigasi Gas Rumah Kaca Di Lahan Rawa Pasang Surut Wahida Annisa; Achmad Rachman
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 5 No. 2 (2016): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Annisa, et al.Â Technologies for Mitigating Greenhouse Gas Emissions on Tidal Swamp Land. JLSO 5(2):178-188.Utilization of swamps for agricultural development is a strategic choice in an effort to offset the decrease in productive land in Java due to conversion of land functions from agriculture to non-agriculture. The properties of land in swamplands is a major limiting factor that causes low productivity of swamp land. The development of agriculture in swamplands often has a negative impact on land and environment, due to inappropriate landl management. One of the environmental impacts in swampland development is carbon emissions. Carbon emissions can be reduced through the use of appropriate soil ameliorant and water management within the swamp hydrological area. Both approaches are important not only to mitigate greenhouse gas emissions but also to increase swampland agriculture productivity.

Resistance of Several Varieties of Non-Tidal Lowland Paddy to Sheath Blight Disease Caused by Rhizoctonia solani A. Muslim; Rinda Permatasari; A. Mazid
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 1 No. 2 (2012)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Muslim et al. 2012. Resistance of Several Varieties of Non-Tidal Lowland Paddy to Sheath Blight Disease Caused by Rhizoctonia solani. JLSO 1(2):163-169. The use of high yielding varieties has increased paddy yields in non-tidal lowlands. However, paddy productivity often decreases due sheath blight disease causedÂ by Rhizoctonia solani. The objective of this study was to determine some non-tidal swamp rice varieties that are resistant to sheath blight. Response of paddy varieties to sheath blight Â was evaluated in the screen house using micro-chamber screening method, with paddy variety as treatment.Â Each treatment consisted of five varieties of paddy: Inpari13, Indragiri, Mekongga, Inpara3 and Ciherang. The result showed that all of the varieties were infected by R. solani.The lowest level of severity occurred in Inpara 3 with the average score of 38.88% whereas the highest severity occurred in Indragiri varietiy with the average score of 59.34%. Based on resistancy, none of the varieties tested showed resistant response. Moderately resistant response to sheath blight was indicated by Inpara 3, Mekongga, Ciherang (disease index 3.5-4.0); whereasÂ susceptible response was demonstrated by Inpari 13 and Indragiri (disease index 5.3-5.5). The average incubation period of the pathogen R. solani on Inpari 13, Indragiri and Mekongga was four days, Ciherang was five days and Inpara 3 was six days. Therefore, none of the five varieties of non-tidal lowland paddy tested in this reasearch was resistant to sheath blight disease caused by R. solani.

Analisis Transmisi Harga Beras di Kabupaten Ogan Komering Ilir Provinsi Sumatera Selatan Endang Lastinawati; Andy Mulyana; Imron Zahri; Sriati Sriati
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 7 No. 1 (2018): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Lastinawati et al, 2018. Price Transmission Analysis of Rice in Ogan Komering Ilir District, South Sumatra Province. JLSO 7(1):43-49. Price transmission is one indicator of whether or not a marketing system is efficient and also can explain the distribution of welfare between producers and consumers in the marketing channel. This study aimed to analyze the transmission of rice prices which are the basic needs of the Indonesian people, both the price transmission of consumer to farmers, and vice versa, with two groups of rice based on their quality, namely premium and medium rice. This research conducted at Ogan Komering Ilir District, South Sumatra Province. Price transmission was analyzed using price transmission elasticity, using weekly rice price series data from the second week of March 2016 to the second week of September 2018. The results showed that the transmission of consumer prices of premium and medium rice to the price of harvested dry grain at farmer level had an elasticity value not equal to one, and vice versa. This showed that the rice market in Ogan Komering Ilir Regency was in elastic and less efficient, because prices were transmitted asymmetrically.

Aplikasi Bioinsektisida Berbasis Jamur Entomopatogen Terhadap Penggerek Batang Padi Daerah Pasang Surut Sumatera Selatan Khodijah Khodijah
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 1 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Population and the intensity of the rice stem borer attack can influence pesticide application. This study aimed to examine the effect of active ingredient formulation of solid and liquid Beauveria bassiana bioinsecticide to control rice stem borer (PBP). The research was conducted in tidal lowland rice cultivation in the Village Mulya Sari Banyuasin Regency, South Sumatra, from Maret 2012 to Juni 2012. Observations of population and intensity of attacks observed directly on the rice clump clump as many as 80 samples per ha. The results showed that the application of liquid and solid bio insecticide with active entomopathogenic fungi material effected on the population, the intensity of PBP larvae attack. The results showed that the application of liquid and solid bio insecticide with entomopathogenic fungi active material in the tidal land effect on the population, the attack intensity of PBP larvae. The results found that in tidal land application of liquid bio insecticide could suppress the population aged 10-40 dap of PBP approximately 75%, and solid and bio insecticide approximately 37.5%. Application of liquid bioinsecticide could suppress population aged 50-80 dap of PBP approximately about 55%, and solid bioinsecticide could suppress larval populations of PBP approximately 40%. Liquid bioinsecticide applications could reduce attack intensity PBP of rice plants aged at 10-40 dap approximately 81.75% and approximately 55.44% for solid bioinsecticide. At age 50-80 dap rice, liquid bio insecticide could reduce attack intensity of PBP about 70%, and applications of solid bioinsecticide approximately 60%.

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Home Page

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Contact Name Sabri Sudirman

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Contact Name
Sabri Sudirman

Contact Email
sabrisudirman@unsri.ac.id

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Journal Mail Official
jlsuboptimal@unsri.ac.id

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Location
Kab. ogan ilir,

Sumatera selatan

INDONESIA