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Seminar Nasional Lahan Suboptimal

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Prosiding Seminar Nasional Lahan Suboptimal 2018

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Konservasi Entomofaga dan Polinator di Rawa Lebak untuk Mendukung Keberlajutan Pertanian di Lahan Suboptimal Herlinda, Siti; Sari, Jelly Milinia Puspita
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Herlinda, S., & Sari, J.M.P.S. (2023). Conservation of entomophages and pollinators in freshwater swamps to support agricultural sustainability on suboptimal lands. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 1-24). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Suboptimal wetlands in Indonesia consist of freshwater swamp, tidal lowland and peatland. The freshwater swamp can generally be used to grow food crops, vegetables and plantations. In the freshwater swamp of South Sumatra, farmers grow vegetables using the "surjan" (rice-field bund) system in addition to rice and corn. The cultivation of vegetables between rice fields in the "surjan" system is very beneficial to the balance of the ecosystem, especially by increasing the diversity of flora, which can increase the diversity of fauna, especially predatory arthropods and parasitoids (entomophagous insects) and pollinators. The abundance of these entomophages and pollinators needs to be increased through conservation. This paper explains the approach to conservation of entomophagous and pollinators by 1) reducing disturbance factors, 2) increasing the habitats and food resources (niches) needed by entomophagous and pollinators. This literature review has shown that in freshwater swamps, factors that disrupt the lives of entomophagous and pollinating insects include land burning, spraying of synthetic insecticides and herbicides, intensive cultivation (full tillage), and clean cultivation. Factors that disrupt the lives of entomophagous insects and pollinators should be avoided by not burning land, not spraying synthetic insecticides and herbicides, and minimising tillage to allow annual wild plants to flower on embankments. Flowering annual wild plants provide food for entomophagous insects and pollinators. However, many factors that support the life of entomophages and pollinators in freshwater swamps have also been identified and have been implemented by local farmers and have become local wisdom. The intercropping of long beans and chillies and the planting of flowering vegetables such as bitter melon, cucumbers, long beans and squash could support the sustainability of entomophages and pollinators by providing niches (food, nectar and pollen) and alternative host insects and prey for predators. The use of cover crops or straw mulch on chilli fields could provide habitat for predatory arthropods. Finally, entomophages and pollinators can be conserved by reducing and preventing activities that threaten their lives and by increasing space/habitat and food resources.

Pengaruh Biostimulan terhadap Intensitas Powderymildew pada Labu Kuning di Desa Tanjung Pering, Kabupaten OganIlir Afifah, Miftah; Nisa, Nabila Aulia; Lisdiana, Lisdiana; Suwandi, Suwandi; Muslim, A.; Arsi, Arsi; Gunawan, Bambang; Irsan, Chandra; Pratama, Rahmat
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Afifah, M., Nisa.N.A., Lisdiana, L., Suwandi, S., Muslim,A., Arsi, A., Gunawan, B., Irsan, C., & Pratama, R. (2023). Impact of biostimulants on the intensity of powderymildew disease in yellow pumpkin in Tanjung Pering Village, OganIlir Regency. In : Herlinda S et al.(Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp.285-297).Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Pumpkin (Cucurbita moschata D.) can be used for various food preparations and contains high carotenoids. But now pumpkin production has decreased by 40% per year due to powdery mildew (Eryshipe cichoracearum). Symptoms of powdery mildew disease are marked white spots on the surface of the pumpkin leaves like flour. Biostimulants are believed to affect prevention of disease and pest attacks in the field. Purpose of this study was to determine the effect of biostimulants on the intensity of powdery mildew attacks on pumpkin and pest attacks. Research selected vegetative phase, observations made in the morning with the calculation of the percentage of powdery mildew disease using Natawigena formulation. There are 4 treatments, namely control, WB , RL and RL+WB , each treatment is 10 repetitions, 4x applications with a frequency of 1x a week, 5X observations.Results of the 2nd week the intensity of the disease increased due to rain after application with moist environmental conditions that support the growth of fungi. The effect of the 3 biostimulant treatments, can reduce the intensity of powdery mildew on pumpkin, was proven on the 3rd to 5th week, which is according to the data % severity of powdery mildew disease always decreases with a percentage of control that continues to increase. The percentage of influence of the greatest effectiveness in the treatment of WB, which is 95% powdery mildew and 2% Aulachopora similis pest control. In the application should see the weather conditions, so that the biostimulant applied can be optimally affected.

Identifikasi Serangga yang Berasosiasi dengan Tanaman Jeruk Citrus sinensis L. di Agro Techno Centre (ATC) Universitas Sriwijaya Oktaviani, Oktaviani
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Oktaviani, O. (2023). Identification of insects associated with orange plants Citrus sinensis L. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 464-471). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Orange plant Citrus sinensis L. is a fruit that is widely cultivated in the area of South Sumatra. Productivity of orange plants is still relatively low because of the many disturbances encountered. The main disturbance in orange plants today is a disruption in their cultivation practices. Pests of citrus plants can cause farmers difficulties in getting maximum results. Investigating the species of pest attacking orange plants is important to determine what steps to take. The aimed of the research was identified insect pests and attack symptoms in the orange plant C. sinensis at the Sriwijaya University Agrotech Training Center (ATC), Ogan Ilir, South Sumatra. Research is carried out by survey methods. Catching and observing insect pests was done once a week for ± 2 months. The results of the research state that pest insects obtained in the orange plant C. sinensis are Blattella vaga, Bothrogonia addita, Cletus punctiger, Diaphorina citri, Hypomeces squamosus, Leptoglossus gonagra, Nezara viridula, Planococcus citri, Rhynchocoris longirostris, and Toxoptera aurantii. The species that dominates pests in the orange plant C. sinensis is the Rhynchocoris longirostris. It can be concluded that the insect that is known to damage orange plants C. sinensis L. is the order of the hemiptera and the spiny green ladybug species R. longirostris. This ladybug saves the eggs in leaves with an amount of 9 to 14 eggs. Ladybug eggs will hatch for ± 5-8 days after being placed. The spent cycle consists of eggs, five instars, nymphs and adults.

Karakteristik Morfomeristik Ikan Betta schalleri Asal Pulau Bangka Lista, Dona; Lindiantika, Lindiantika; Khanati, Olivia; Lestari, Eva; Syarif, Ahmad Fahrul
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Lista, D., Lindiatika, L., Khanati, O., Lestari, E., & Syarif, A.F. (2023). Morphomeristic characteristics of schalleri betta fish from Bangka Island. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 564-569). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Blue Tepalak/Tempalak fish (Betta schalleri) is a freshwater fish with potential as an ornamental fish which is in endangered conservation status (Endangered; EN). Until now, the existence of Betta schalleri fish in nature is thought to be increasingly difficult to find due to a decrease in habitat quality. This research aimed to examine the morphomeristic characteristics of the Schalleri Betta fish found in the waters of Bangka Island. Data collection for this research was located in the waters of Bencah Village, Air Gegas District, South Bangka Regenc. Information regarding the existence of the Betta schalleri’s natural habitat was obtained from the surrounding community. A total of 15 individual fish were successfully obtained from the research location. Fish samples showed meristic character D.II.8; P.11-12; V.I-II.4; A.II.24; C.13; LL.31. The morphometrics show a total length of 5,44 cm – 6, 20 cm, standard length 3,98 cm – 4,55 cm, head length 1,16 cm – 1,48 cm, head height 0,87 cm – 1,10 cm, and body height 1,04 cm – 1,28 cm. Based on the results of research on the meristic and morphomeristic identification of the schalleri betta fish, similarities were found to the schalleri betta fish described by Kottelat & Ng (1994). So it can add to the completeness of the morphomer data for schalleri betta fish from Bangka Island.

Serangga yang Ditemukan Pada Beberapa Gulma di Sekitar Pertanaman Jeruk (Citrus sp.) di Kecamatan Ogan Komering Ilir, Sumatera Selatan Irsan, Chandra; Anggraini, Erise; Riana, Nanda; Mawarni, Aprilliyah; Setiawan, Irenius Tegar; Harun, M. Umar
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Irsan C, Anggraini E, Riana N, Mawarni A, Setiawan I.T., Harun, M.U. 2023. Insects found in some weeds around citrus (Citrus sp.) plantations in Ogan Komering Ilir Regency, South Sumatera. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 742-748). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Citrus plants (Citrus sp.) are horticultural crops, and fruit commodities from the Rutaceae family. The presence of weeds around citrus plants provides an alternative host for other insects and attracts natural enemies of citrus pests. This research was conducted to find out what insects were found in weeds around citrus plants in Ogan Komering Ilir Regency, South Sumatra, Indonesia. The sampling method used in this research was the purposive sampling method. Observations were carried out from June to October 2023 in Ogan Komering Ilir Regency, South Sumatra, Indonesia. The results of observations showed that in the weeds around the citrus plants, 4 species of insects were found belonging to 3 families and 3 orders. The 4 species are Monomorium minimum, Oecophylla smaragdina, Dysdercus cingulatus, Oxya sp. The most frequently found species was M. minimum from the Formicidae family with a total of 846 individuals and the fewest are Oxya sp. (Orthoptera: Acrididae) with 6 individuals.

Perbandingan Pertumbuhan dan Hasil Sorgum yang Diratun Asal Varietas Bioguma 1 Harun, M. Umar; Sodikin, E.; Zaidan, Zaidan; Irmawati, Irmawati; Yakup, Yakup
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Harun, M.U., Sodikin, E., Zaidan, Z., Irmawati, I., & Yakup, Y. (2023). Comparison of growth and yield of ratooned sorghum from the bioguma 1 variety. In: Herlinda S et al. (Eds). Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 oktober 2023 (pp.129-134) Palembang : Penerbit &Percetakan Universitas Sriwijaya (UNSRI).Sorghum plants have begun to be developed into a national food commodity in anticipation of climate change. It is necessary to know various basic agronomic information about sorghum, especially the growth and yield of ratoon so that a sustainable and profitable crop cultivation package can be prepared. This research aimed to assess the vegetative and generative potentital of the Bioguma 1 sorghum variety as ratoon. This research was conducted at the research garden, Faculty of Agriculture, Universitas Sriwijaya, Indralaya from February 2023 until August 2023. The methodology used was non-experimental. Sampling was carried out randomly for 80 plants from a population of 1600 plants. The research results showed that there was a decrease in vegetative and generative growth of ratoon sorghum compared to its parent. Decreases occurred in stem length (21%), number of leaves (50%), shoot dry weight (59%), panicle weight (61%), and number of seeds (22%). The decrease in generative components was greater than vegetative in ratoon sorghum plants.

Budidaya Selada secara Hidroponik di Balai Pengkajian Teknologi Pertanian Jalan Mentok, Kepulauan Bangka Belitung Sulaiman, Firdaus; Anggito Aritonang, Alfredo Grace; Habibah, Dhia Fauzia; Yemima Sitompul, Grace Enita; Trijayanti, Selfy; Yuniarti, Yuniarti; Rizky Sitorus, Victoria Junyta
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Sulaiman, F., Aritonang, A. G. A., Habibah. D.F., Sitompul, G. E. Y., Trijayanti., S., Yuniarti, Y., Sitorus, V.J.R. (2023). Hydroponic lettuce cultivation at the agricultural technology assessment Center Jalan Mentok, Bangka Belitung Islands. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 230-236). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Lettuce is an agricultural product that is generally consumed in fresh form to produce good hygiene. For the benefit of human beings, which is a top priority, as the population of Indonesia increases, market demand in the food sector will also increase. The aimed of this research is to give the students work experience and knowledge in the field of hydroponics. The methods used in this study were observational and participatory. Results of this study were obtained when the 2nd DAP (Day After Plantation) carried out a nutritional solution check. Since the salad is already quite large and the nutrients are reduced, first nutritional addition was made to 425 ppm with Ph 6.1. Second nutritional component was added at 14 DAP to 570 ppm at pH 6.4.Third nutritional addition at 24 DAP was 745 ppm at pH 6.7. Fourth nutritional addition at 31 HST until the harvest was 800 ppm at pH 6.8. The nutrient solution is an important factor in this study because it is a determinant of the success of hydroponic cultivation. A nutrient requirement that is effectively met for the celery can make its growth more optimal. Generally speaking, hydroponics requires essential nutrients consisting of macro and micronutrients. The advice that can be given is need to increase the sustainability of hydroponic crop cultivation activities in the greenhouse as well as improve development on the basis of IoT (the Internet of Things) for automatic nutrition systems so that the quality of the plants produced is even better.

Pengaruh Berbagai Dosis Kotoran Ayam terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium ascalonicum L.) Varietas Bauji Menggunakan Polybag Amelia, Imas; Susilawati, Susilawati; Irmawati, Irmawati
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Amelia, I., Susilawati, S., & Irmawati, I. (2023). The effect of various doses of chicken manure on the growth and yield of shallot plants (Allium ascalonicum L.) bauji varieties use polybags. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 405-416). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Providing organic fertilizer is important for shallot plants (Allium ascalonicum L.) because organic fertilizer has advantages compared to inorganic fertilizer, namely that it is more environmentally friendly and safe when applied to soil media. One type of organic fertilizer that is often used by farmers is chicken manure. Chicken manure contains quite high levels of nitrogen, phosphorus and potassium nutrients which are useful for shallot plants. This research aimed to determine the best dose of chicken manure for the growth and yield of shallot plants (Allium ascolanicum L.) of the bauji variety. The research was carried out at the Sriwijaya University Campus Experimental Garden, South Sumatra at the coordinates 3 13'29.74”S 104 38'54.13”E which was carried out in June-August 2023. The design used was a Randomized Block Design (RBD) with 3 replications. The dose of chicken manure used is 10 tons/ha (40 g/polybag); 20 tons/ha (80 g/polybag); 30 tons/ha (120 g/polybag) and without chicken manure as a control. Parameters observed included leaf length, number of leaves, number of tillers, leaf greenness level, total chlorophyll content, leaf area, root length, number of tubers, tuber diameter, tuber length, tuber volume, fresh weight of tubers, dry weight of tubers, fresh weight, bushmeat and dry weight of bushmeat per plant. The results of the study showed that the application of chicken manure had a significant effect on the growth and yield of shallot plants. Giving chicken manure at a dose of 120 g/polybag resulted in better number of leaves, leaf greenness, leaf area, number of tubers and tuber production compared to giving other doses of chicken manure.

Ekologi Ikan Wild Betta Endemik Betta Schalleri asal Perairan Bangka Lindiatika, Lindiatika; Khanati, Olivia; Lista, Dona; Syarif, Ahmad Fahrul
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Lindiatika, L., Khanati, O., Lista, D., & Syarif, A. F. (2023). Ecology of endemic Wild Betta Fish Betta Schalleri from Bangka Waters. In: Herlinda S et al., (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 507-512). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Wild Betta (Betta Schalleri) is a nature betta fish which is generally knows as tepalak/tempalak which is spread in the waters of Bangka Belitung Island, and its existence is now increasingly difficult to find in its natural habitat. This research aimed to examine the conditions of the aquatic environment and ecology to determine the characteristics of the natural habitat which can be the main factor in the existence of Wild Betta fish (B. Schelleri). Since its existence is difficult to find in its natural habitat, it is necessary to conduct an assessment of the condition of the aquatic environment and its ecology in order to carry out the conservation phase. Research carried out in the rivers of Bangka district in July – October 2023 discusses the ecology of Wild Betta (B. Schalleri), the results showed that in general Betta Schalleri inhabits peat swamp waters and small waterways with low pH which are grown with aquatic plants are Pandanus sp, Cryptocorine sp, Hydrilla sp, Vellisnaria sp, and Utrikularia sp, and have aslightly brownish water color with a wet soil substrate texture containing peat. In this study, water quality measurements were carried out and the values obtained were Temperatu Water conditions and ecology are needed to determine the characteristics of the natural habitat which can be the main factor in the existence of Wild Betta fish (B. Schalleri). re (31°C), pH (4 -5), and also found several biota associated with Betta Schalleri.

Faktor-Faktor Mempengaruhi Penurunan Pendapatan Petani Padi Tadah Hujan Akibat Pandemi Covid-19 di Desa Sungai Dua Kabupaten Banyuasin Niasarah, Khalisa; Aryani, Desi; Lifianthi, Lifianthi; Rosana, E.; Malini, Henny
Seminar Nasional Lahan Suboptimal Vol 11, No 1 (2023): Prosiding Seminar Nasional Lahan Suboptimal ke-11 “Optimalisasi Pengelolaan Lah
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Niasarah, K., Aryani, D., Lifianthi, L., Rosana, E., & Malini, H. (2023). Factors affecting the decreased income of rain-fed rice farmers due to the Covid-19 Pandemic in Sungai Dua Village, Banyuasin Regency. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 683-695). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The existence of Covid-19 pandemic affected many sectors, one of which was the agricultural sector, namely rice farming in Sungai Dua Village. The government's policy of implementing Large-Scale Social Restrictions causes farmers difficulty obtaining subsidized fertilizers, so farmers are forced to reduce the use of fertilizers. During the Covid-19 Pandemic, farmers were forced to buy non-subsidized fertilizers at higher prices, this resulted in increased production costs, thereby reducing farmers' income. The objectives of this study are to: 1) analyze the difference in income of rice farmers before and during the Covid-19 Pandemic; and 2) Analyze the factors that affected the decline in rice farmers' income during the Covid-19 Pandemic. This research was conducted in May until June 2023 in Sungai Dua Village, Rambutan District, Banyuasin Regency. The data collection method used the survey method and sample selection was carried out by simple random sampling method. Analysis was carried out by t test and multiple linear regression. The results showed that there was a significant difference between farmers' income before and during the Covid-19 Pandemic. During the Covid-19 Pandemic, farmers' income fell by around 29.95 percent. Before the Covid-19 Pandemic, rice farmers' income was IDR 16,332,667/la/yr, whereas during the Covid-19 Pandemic, rice farmers' income fell to IDR 11,440,267/la/yr. Factors that had a significant effect on rice farmers' income, namely land area, level of education, fertilizer costs, and labor costs, while the time period dummy has no significant effect on the income of rice farmers.

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