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Seminar Nasional Lahan Suboptimal
Published by Universitas Sriwijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Other
Prosiding Seminar Nasional Lahan Suboptimal 2018
Arjuna Subject : -
Articles 642 Documents
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Peningkatan Ketersediaan Phosphat pada Tanah Masam Melalui Inokulasi BPF dan Penambahan Bahan Organik S. Minarsih; Samijan Samijan; F.D. Arianti
Seminar Nasional Lahan Suboptimal 2020: Prosiding Seminar Nasional Lahan Suboptimal ke-8 “Komoditas Sumber Pangan untuk Meningkatkan K
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Minarsih S, Samijan S, Arianti FD. 2020. Increasing the availability of phosphate in acid soils through inoculation of phosphate solubilizing bacteria and adding organic matter to the soil. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang  20 Oktober 2020. pp. xx.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Phosphate is one of the macro elements whose availability is limited in acid soils because it is bound by soil minerals. Phosphate solubilizing bacteria are able to dissolve phosphate bound by soil minerals so that its availability increases, the addition of organic matter is also able to increase the availability of phosphate through organic acids resulting from its decomposition. This study aims to determine the types of phosphate solubilizing bacteria and kinds of organic matter that can increase the availability of phosphate in the soil. The experiment was carried out in the greenhouse of Sebelas Maret University Surakarta. Using a completely randomized design with 2 factors. Factor I was the inoculation of Phosphate Solubilizing Bacteria consisting of 3 levels, namely without inoculation of phosphate solubilizing bacteria (I0), Bacillus subtilis inoculation (I1), and Pseudomonas fluorescent inoculation (I2). The second factor are the type of organic material consisting of 4 levels, namely: no organic matter (B0), rice straw (B1), Tithonia diversifolia (B2), and Leucaena leucochepala (B3). The results showed that the use of Tithonia diversifolia organic matter independently proved to be the most effective in increasing available P in the soil by 261%. Bacillus subtilis combined with organic rice straw was able to increase the availability of P by 169%, then followed by the combination of Bacillus subtilis with organic material Tithonia diversifolia was able to increase P by 155% and the combination of Bacillus subtilis with Leucaena leucochepala increased P by 23%.
Adaptasi Usaha Mikro, Kecil, dan Menengah (UMKM) Bandeng Presto Selama Masa Pandemi Covid-19: Studi Kasus di Kota Semarang Ch. Retnaningsih; Berta Bekti R; Okti Ruenda
Seminar Nasional Lahan Suboptimal 2020: Prosiding Seminar Nasional Lahan Suboptimal ke-8 “Komoditas Sumber Pangan untuk Meningkatkan K
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Retnaningsih Ch, Bekti RB, Ruenda O. 2020. Adaptation of Presto Milkfish Small and Medium Enterprises (SMEs) during the covid-19 pandemic: a case study in Semarang city. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang 20 Oktober 2020. pp. 1-11. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Presto milkfish is one of the processed seafood product produced by SMEs in the city of Semarang. A case study conducted on 30 samples of SME processed seafood aims to determine the adaptations during the Covid-19 pandemic. The case study method is carried out by surveying the production location of SMEs. From the results of this case study, it was found that out of 18 samples of SMEs that produced presto milkfish, 72% had adapted their business in various ways such as product development innovation to improve quality. The number of samples of SMEs that innovated was 50%, and those that did not innovate on the products produced were 50%. Business adaptation by presto milkfish SMEs needs to be done for business continuity during the Covid-19 pandemic.
Peningkatan Ketersediaan Phosphat pada Tanah Masam Melalui Inokulasi BPF dan Penambahan Bahan Organik S. Minarsih; Samijan Samijan; F.D. Arianti
Seminar Nasional Lahan Suboptimal 2020: Prosiding Seminar Nasional Lahan Suboptimal ke-8 “Komoditas Sumber Pangan untuk Meningkatkan K
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Minarsih S, Samijan S, Arianti FD. 2020. Increasing the availability of phosphate in acid soils through inoculation of phosphate solubilizing bacteria and adding organic matter to the soil. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang  20 Oktober 2020. pp. xx.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Phosphate is one of the macro elements whose availability is limited in acid soils because it is bound by soil minerals. Phosphate solubilizing bacteria are able to dissolve phosphate bound by soil minerals so that its availability increases, the addition of organic matter is also able to increase the availability of phosphate through organic acids resulting from its decomposition. This study aims to determine the types of phosphate solubilizing bacteria and kinds of organic matter that can increase the availability of phosphate in the soil. The experiment was carried out in the greenhouse of Sebelas Maret University Surakarta. Using a completely randomized design with 2 factors. Factor I was the inoculation of Phosphate Solubilizing Bacteria consisting of 3 levels, namely without inoculation of phosphate solubilizing bacteria (I0), Bacillus subtilis inoculation (I1), and Pseudomonas fluorescent inoculation (I2). The second factor are the type of organic material consisting of 4 levels, namely: no organic matter (B0), rice straw (B1), Tithonia diversifolia (B2), and Leucaena leucochepala (B3). The results showed that the use of Tithonia diversifolia organic matter independently proved to be the most effective in increasing available P in the soil by 261%. Bacillus subtilis combined with organic rice straw was able to increase the availability of P by 169%, then followed by the combination of Bacillus subtilis with organic material Tithonia diversifolia was able to increase P by 155% and the combination of Bacillus subtilis with Leucaena leucochepala increased P by 23%.
Pengembangan Model Pertanian Terpadu Berbasis Mamar di Kabupaten Kupang, Nusa Tenggara Timur Rupa Matheus; M. Basri; Yosefina Lewar
Seminar Nasional Lahan Suboptimal 2020: Prosiding Seminar Nasional Lahan Suboptimal ke-8 “Komoditas Sumber Pangan untuk Meningkatkan K
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Matheus R,  Basri M, Lewar Y. 2020. Development of mamar-based integrated agriculture model in Kupang district, east Nusa Tenggara. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang 20 Oktober 2020. pp. xx.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).For the Timorese people, mamar has strategic meaning. Mamar is also defined as a form or pattern of integrated farming developed on a stretch of land around a spring. Mamar productivity continues to decline due to lack of management by farmers. This study aims to identify the characteristics of mamar in the Kupang district, in order to develop more productive and sustainable mamar. This study used a survey method. which is carried out through field observations including observing the physical condition of the mamar environment, identifying the constituent components of the mamar, tracking the area of the mamar and taking soil samples. The results showed that: In mamar management, indigenous peoples apply a zoning system, which is divided into a core zone, a buffer zone and a development zone, with different utilization patterns; Mamar has 3 functions, namely: ecological, economic and social functions; One of the advantages possessed by mamar is the high value of sustainability; Mamar productivity can be increased through several forms, namely rejuvenating core plants in mamar, and inducing long-aged plants with high economic value and utilizing the space under annual plant stands with bio-plants. It is necessary to re-strengthen customary institutions in each mamar area; Mamar development needs to be directed to provide a multiplayer effect for local communities.
Optimalisasi Pengelolaan Lahan Suboptimal Melalui Aplikasi Teknologi Pertanian dalam Mendukung Ketersediaan dan Ketahanan Pangan Wahid Wahid; Edi Tando; Widya Sari Murni
Seminar Nasional Lahan Suboptimal 2020: Prosiding Seminar Nasional Lahan Suboptimal ke-8 “Komoditas Sumber Pangan untuk Meningkatkan K
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Wahid W, Tando E,  Murni WS. 2020. Suboptimal land use optimization efforts through the support of agriculture technology in support national food availability and security. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang 20 Oktober 2020. pp. xx. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The challenges in the agricultural production system in the future are very complex. The toughest challenge faced is the provision of national food. An alternative is through suboptimal land use. This paper presents information on the optimization of suboptimal land use as a solution in supporting food supply and supporting food security.  The results showed that suboptimal land has the potential to be developed as agricultural land. Suboptimal land has not been managed optimally as agricultural farming. Suboptimal land development for agriculture is facing problems with high soil acidity, Fe and Al poisoning and deficiency of macro and micro nutrients. Land management and application of agricultural technology have a strategic role in increasing suboptimal land productivity. Application of technology for selecting specific location commodities, organic fertilizers, aerobic planting, soil improvement and optimum fertilization, cropping arrangement, soil and water conservation and water harvesting play a role in suboptimal land use Implementation of agricultural technology in sustainable suboptimal land management can support national food availability and security.
Berat Larva Spodoptera litura dan Luas Daun Cabai yang Dimakannya setelah Diaplikasikan Berbagai Isolat Jamur Entomopatogen Mimma Gustianingtyas; Siti Herlinda; Erise Anggraini; Arsi Arsi; Suwandi Suwandi; Hasbi Hasbi; Marieska Verawaty; Arum Setiawan; Elfita Elfita; Suparman Suparman; Harman Hamidson; Khodijah Khodijah
Seminar Nasional Lahan Suboptimal 2020: Prosiding Seminar Nasional Lahan Suboptimal ke-8 “Komoditas Sumber Pangan untuk Meningkatkan K
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Gustianingtyas M, Herlinda S, Anggraini E, Arsi A, Suwandi S, Hasbi H, Verawaty M, Setiawan A, Elfita E, Suparman S, Hamidson H, Khodijah K. 2020. Weight of spodoptera litura larvae and chili leaf area eaten after treated with some entomopathogenic fungal isolates. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang 20 Oktober 2020. pp. xx. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Spodoptera litura is one of the important insect pests on chili in Indonesia that attacks the vegetative and generative phases. This study aimed to observe the effect of the entomopathogenic fungal isolates explored from the low and highlands on the decrease in feed and weight of S. litura larvae. The experiment was arranged in a Randomized Block  Design (RBD) with 52 treatments consisted of 29 isolate of Beauveria bassiana and  23 isolate of  Metarhizium spp. applied on  25  second instar of  S. litura  per replicate. The results showed that the body weight of larvae applied to B. bassiana isolates on the first day of observation was significantly different from the control. The body weight of larvae on the first day of observation of BJgTs isolates (0.30 g) and Bby (0.31 g) was significantly different and lower than the other treatments. The body weight of larvae applied isolate Metarhizium spp. significantly different from the controls. The body weight of larvae on the 9 day applied isolates MPdMs2 (4.74) and MKbTp2 (4.63) was significantly different from other treatments, the leaf area eaten was significantly different from the 7 day to the 12 day of observation. From this research, it can be concluded that B. bassiana isolates coded BJgTs and Bby, isolates Metarhizium spp. MPdMs2 and MKbTp2 codes are isolates that have an effect on reducing feed and larvae weight and cause changes in behavior of S. litura larvae.
Pengembangan Aplikasi Berbasis Digital untuk Peningkatan Produksi Budidaya Ikan Skala Rumah Tangga di Lahan Suboptimal Risky N.A. Pratama; D.R. Septiana; E. Saputra; L.R. Saputra; N. Fuadi; F.H. Taqwa
Seminar Nasional Lahan Suboptimal 2020: Prosiding Seminar Nasional Lahan Suboptimal ke-8 “Komoditas Sumber Pangan untuk Meningkatkan K
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Pratama RNA, Septiana DR, Saputra E, Saputra LR, Fuadi N, Taqwa FH. 2020. The digital-based application development for increased production of household-scale fish cultivation in suboptimal Land. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang 20 Oktober 2020. pp. xx. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The actual conditions in several fish farming locations on suboptimal land, especially in South Sumatra Province, show that there are still many household scale fish cultivators who still experience limited knowledge in the process of designing a technology system in accordance with the estimated input of the required cultivation production variables. Incompatibility of fish farming technology and system design will result in low productivity and cause losses. So the digital-based smartphone application AQDENPRO (Aquaculture Design and Estimate Productivity) was developed which aims to help household scale fish cultivators to improve their production business. The working mechanism of this application were data input and 3D design. The feature of productivity estimate would perform automatic calculating on the selected calculation feature, so that it has the final result in the form of calculated data on each menu, and a 3D design feature with a mechanism for selecting and assembling the pond design where the final result is a designed design image. The presence of these features will help optimize the aquaculture  productivity in suboptimal land.
Keanekaragaman Serangga Penyerbuk di Pertanaman Jagung Pulut Sri Nur Aminah; Tamrin Abdullah; Fatahuddin Fatahuddin
Seminar Nasional Lahan Suboptimal 2020: Prosiding Seminar Nasional Lahan Suboptimal ke-8 “Komoditas Sumber Pangan untuk Meningkatkan K
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Aminah SN, Abdullah T, Fatahuddin F.  2020.  The diversity of Pollinator Insects in Waxy Maize Field. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang  20 Oktober 2020. pp. xxx.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Pulut (waxy maize field) is the one of the important commodities in Maros Regency, South Sulawesi. The pollinating insects from Lepidoptera and Hymenoptera found in waxy maize field. The purpose of the research is to identify types of pollinator insects and flowering plant as a food source around the waxy maize field. The research was held in farmer field in Ta'deang village, Maros Regency, South Sulawesi from January to March 2020. The activity in form of field trial in the farmer waxy maize field. Selection source of seeds and agricultural techniques follow farmer habits. The visual observation presence of pollinating insects in the waxy maize was held when the plants 28 DAP (days after planting) through before harvest. The research held visual identification of plant species as producer of nectar and pollen. The result was showed there are six kinds of plant used as a source of food for pollinator insects living in the habitat of waxy maize field. Flowering plants categorized as weeds are: Portulaca sp., Lantana camara and Cleome rutidosperma are source of nectar and pollen. The Shannon-Wiener diversity index for pollinator insects is -1.5 indicates that the diversity is very low, population development is under environmental stress and the ecosystem is unstable. The highest total of insect population as butterfly Catopsilia scylla family Pieridae  and the lowest was Graphium agamemnon, family Papilionidae. The conclusion is: the dominant pollinator insects in waxy maize from Lepidoptera is Catopsilia scylla and the dominant Hymenoptera order is Apis mellifera (honey bee).
Studi Kinerja Rice Transplanter di Lahan Rawa Pasang Surut di Kalimantan Selatan Rabiatul Munawarah; Indya Dewi; Zairin Ahmad
Seminar Nasional Lahan Suboptimal 2020: Prosiding Seminar Nasional Lahan Suboptimal ke-8 “Komoditas Sumber Pangan untuk Meningkatkan K
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Munawarah R,  Dewi I, Zairin A. 2020.  Study of rice transplanter performance in tidal swamp land at South Kalimantan. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimalke-8 Tahun 2020, Palembang 20 Oktober 2020. pp. xx. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The process of transplanting farming in Indonesia is still dominated by manual methods. Rice transplanter is a machine designed to transplanting in ideal conditions for the sake of faster, easier and more economical utilization. The purpose of testing is to achieve the performance of the rice transplanter machine in tidal swamp land at Batalas Village, Tapin Regency, South Kalimantan. The method used was experimental in the field with several replications. The parameters tested were the number of filled holes, number of perfectly planted seed, fallen seed, floated seed, sinked seed, effective work capacity, theoretical work capacity, work efficiency and field capacity. The results showed that the number of hole was filled up to 93.25% with 98.38% perfectly planted seeds, 1.33% fallen seeds, 0.29% floated seeds and 0% sinked seeds. The effective work capacity and theoretical work capacity of the machine were 0.11 and 0.19 ha/hour respectively so that it. Resulted the work efficiency of 59.01%. The field capacity of the machine to plant one hectare of rice fields was 9.1 hours. The application of rice transplanter in tidal swamp land was potential by increasing the work efficiency and improving water network system.
Intensifikasi Berkelanjutan Produksi Tanaman Pangan di Lahan Lebak Tropis Lakitan, Benyamin
Seminar Nasional Lahan Suboptimal Vol 10, No 1 (2022): Prosiding Seminar Nasional Lahan Suboptimal ke-10 “Revitalisasi Sumber Pangan N
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Lakitan B. 2022. Sustainable intensification of food crop production in the inland tropical wetlands. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-10 Tahun 2022, Palembang  27 Oktober 2022. pp. 1-13.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The need to increase food production at the global, national, and local levels should be continued in line with the increase in population. The inability of a country to meet its food needs will directly impact the country's dependence on imports from other countries. This will be a serious problem if the spike in food prices occurs again with a higher intensity and longer period. The efforts to increase food production today, especially in the future, will be increasingly difficult. The main challenge to increase food production is that the availability of agricultural land tends to decline due to conversion for the benefit of various other economic sectors. Indeed, the current technology is ready to produce food without using land, but the production costs are still too expensive compared to conventional crop cultivation which relies on land availability. The next challenge in efforts to increase food production is the necessity to ensure that the cultivation process does not reduce the quality of ecological functions, let alone damage the environment, so that food production can be sustainable. Currently, in addition to economic and ecological considerations, the food production process is also expected to be inclusive, i.e., providing opportunities for the majority of smallholder farmers and rural communities to participate. The social dimension in food production should not be ignored. The problem of increasing food production will become more complex. The dominant technical-agronomic solutions carried out today have proven ineffective and sometimes generate new problems. As a wiser but challenging alternative is to employ the principle of sustainable intensification in food production. So far, the tropical wetlands have not been intensively utilized in Indonesia. It is time for the wetlands to be managed intensively, ecologically, and inclusively.

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