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Journal : Seminar Nasional Lahan Suboptimal

Kandungan Mineral Hijauan Rumput Rawa Sebagai Pakan Kerbau Pampangan di Sumatera Selatan Muhakka, Muhakka; Suwignyo, R.A.; Budianta, D.; Yakup, Yakup
Seminar Nasional Lahan Suboptimal 2018: Prosiding Seminar Nasional Lahan Suboptimal "Tantangan dan Solusi Pengembangan PAJALE dan Kel
Publisher : Seminar Nasional Lahan Suboptimal

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Muhakka et al, 2019. Mineral Content of Forage Swamp Grass as Pampangan Buffalo Feed in South Sumatera. pp. 82-92.This study aims to analyze the mineral content of swamp forage vegetation as feed for pampangan buffalo. This research was carried out in Rambutan Village and Pulau Layang Village. This research is a descriptive study to describe the mineral content of swamp forage vegetation as feed for pampangan buffalo. Parameters observed were content of Calcium (Ca), Phosphorus (P), Sodium (Na), Iron (Fe), Aluminum (Al), Cobalt (Co) and Selenium (Se). Mineral content of swamp forage vegetation varies. The content of Ca with a range of 0.041 - 1.170%, with the lowest Ca of kumpai tembaga (Hymenachne acutigluma) and the highest of Are Bolong (Polygonum barbatum L). P content ranged from 0.020 - 0.181%, the lowest content of kerak maling grass and the highest kumpai minyak (Hymenachne amplexicaulis). Na content ranges from 0.005 - 0.362%, the lowest content of kumpai tembaga (Hymenachne acutigluma) and the highest kumpai minyak (Hymenachne amplexicaulis). Fe content ranges from 0.003 - 0.005%, the lowest content of kumpai tembaga grass (Hymenachne acutigluma) and the highest kerak maling grass. Al content ranges from 1,815 - 182,29 ppm, with the lowest content of kumpai tembaga grass. The best mineral content of forage swamp vegetation is kumpai tembaga, are bolong, kerak maling and telepuk gajah.
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.
Efektivitas Berbagai Herbisida dalam Pengendalian Gulma pada Tanaman Menghasilkan di Perkebunan Kelapa Sawit (Elaeis guineensis Jack.) Ramadhani, Fitri; Yakup, Yakup; Angraeni, Dian Elsi
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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Ramadhani, F., Yakup, Y., Angraeni, D.E. (2023). The effectiveness of different herbicides in controlling weeds in oil palm (Elaeis guineensis Jack.) plantations. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang  21 Oktober 2023. (pp. 570-580).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Oil palm (Elaeis guineensis Jacq.) is one of the most important plantation products in the Indonesian economy. The aimed of this study was to identify the effective herbicide for oil palm farms. Research has been carried out From November 2022 to February 2023, in PT Intimegah Bestari Pertiwi in Kemang, Sanga Desa District, Musi Banyuasin Regency, Indonesia. The method used in this research was randomized block design (RBD) and there were 10 treatments which were repeated three replications. The results showed that herbicide treatment had a significant effect on weed dry weight at 4 MSA, but not at 8 MSA or 12 MSA, according to analysis of variance. Weed vegetation was analyzed before application and the results showed that there were 4 grass weed species, 7 broadleaf weed species and 1 puzzle weed species. The Sum Dominance Ranking (SDR) of the weeds varied. Weeds with SDR more than 5% are revealed by the study, namely in the group of herbaceous leaf weeds there was 1 species namely Ottochloa nodosa 38.4%, in the group of broadleaf weeds there were 3 species namely Clidemia hirta 12.3%, Legazpia polygonoides Beth 10.6%, Borreria alata 6.41%, Melastoma candidum L. 6.14%. thus, there is 1 species of weeds in the puzzle type namely Scleria sumatrensis 9.59%. and based on direct visual observations in the field, the use of herbicides in each treatment showed 0 or no symptoms of poisoning (toxic) to oil palm plants.
Pertumbuhan dan Hasil Tanaman Kacang-kacangan dengan Pupuk Organik Cair berbagai Sisa Buahan Achadi, Teguh; Haikal, Umair; Angraini, Lili; Ghifari, Muhammad Al; Yakup, Yakup; Marlina, Marlina; Warsito, Warsito
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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Achadi T, Haikal U, Angraini L, Ghifari MA, Yakup Y, Marlina M, Warsito W. 2022. Growth and yield of legume crops with liquid organic from various fruit residues. In : Herlinda S et al. (Eds), Prosiding Seminar Nasional Lahan Suboptimal ke-10 Tahun 2022, Palembang  27 Oktober 2022. pp. 217-225. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Liquid organic fertilizer is the result from decomposition of organic matter derived from animals or plants. Liquid organic fertilizer is made from damaged or rotten fruit and from the skin of the fruit (banana, papaya, pineapple and a mixture of all three). This study aimed to determine the effect of liquid organic fertilizer (POC) on the growth and yield of legumes (Soybeans, Peanuts and Green Beans). This research was conducted from July to October 2022. This study used a Complete Randomized Design with eight treatments including controls, namely A (recommended NPK fertilizer), B (POC of banana fruit residue), C (POC of pineapple fruit residue), D (POC sis of Papaya fruit), E (POC of banana + pineapple fruit residue), F (POC of banana + papaya fruit residue), G (POC of pineapple fruit residue + papaya) and H (remaining banana fruit + pineapple + papaya). The results showed that liquid organic fertilizer were not significantly different the recommended NPK fertilizer to all variables with out number of branches and productive branch of Soybeans and numbers of branches of Peanuts so hope that liquid organic fertilizer from Various Fruit Residues increase to Yield of Legume Crops (Soybeans, Peanuts and Green Beans).
Adaptabilitas Padi Gogo di Areal Tanaman Karet Menghasilkan Sjafei, Gusdi Khamsaldin; Yakup, Yakup; Budianta, Deddik; Sulaiman, Firdaus
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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Khamsaldin, S. G., Yakup, Y., Budianta, D., Sulaiman, F, (2023). Adaptability of gogo rice in rubber plant area produces. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang  21 Oktober 2023. (pp. 327-332).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Gogo rice is a dryland tolerant crop and can be grown as an intercrop under stands. However, the shade of standing plants is an obstacle to its growth in plantation land, so efforts are needed to obtain gogo rice varieties that are tolerant to shade conditions. This paper aimed to assess the development of hope strains of gogo rice that have multi-tolerant properties to biophysical conditions of drought stress that are resistant to shade through evaluation of the adaptability of selected gogo rice strains. The purpose of this study was to obtain new varieties of shade-resistant gogo rice from 5 shade-treated varieties of gogo rice. 5 varieties of gogo rice. Research was conducted on the growth and production of shade-tolerant gogo rice varieties and NPK doses (50 kg/ha, 75 kg/ha, 100 kg/ha). Genetic information is useful for obtaining new high-yielding varieties of gogo rice. This study begins with seed germination. This research was conducted at the TPH Provincial Agriculture Office. Sumsel. Tools used: polybags, paralon pipes, stationery, This study used a split plot design. This study consists of 2 factors, namely the shade factor (N) as the main plot and the variety factor (V) as the child plot. The watering factor as the main plot consists of 4 levels, namely: N1 = watered every 3 days, N2 = watering every 6 days. While the varietal factor as a plot consists of 5 (five) treatment levels, namely: V1 = Variety 1, V2 = Variety 2, V3 = Variety 3, V4 = Variety 4, and V5 = Variety 5. In total there were 4 main plots and 5 subplots with each treatment repeated 3 times with each trial unit repeated 3 times so that 60 polybags were obtained. Measurements of plant growth variables include: plant height (cm), number of leaves, number of saplings, leaf area (cm2): Calculated using the formula: LD (cm2) = ( p x l x k x n), where p = maximum leaf length, l = maximum leaf width, k = correction factor, n = number of leaves in one plant. Observations of yield variables include: total fresh weight of plants (g) and total dry weight of plants (g), number of productive tillers, panicle length (cm), number of panicle seeds (seeds), weight of seeds per plant, weight of 1000 seeds and % of hollow seeds per plant, proline content. The data collected were analyzed by variety analysis (Test F) at the level of 5%. If there is a noticeable effect (F test 5%) then proceed with the Isolated Real Difference Test (BNT) at the level of 5% to determine the difference between treatments.
Pengaruh Ketersediaan Air dan Interval Waktu Pemberian Mulsa terhadap Pertumbuhan dan Perkembangan Tanaman Padi Gogo Yakup, Yakup; Sefrila, Marlin
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Yakup, Y., Sefrila, M. (2024). The effects of water supplies and mulching intervals on growth and development of upland rice. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 305–312). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Water availability is one of the factors that can influence the productivity of upland rice, so the use of mulch is an alternative that can be applied because applying mulch at certain time intervals can suppress evaporation and support groundwater availability. This research aimed to determine the effect of water provision and mulch application intervals on the growth and development of upland rice. The experiment used a randomized complete block design with two factors and 3 replications.The first factor were water supplies when showed by proportion of field capacity (FC) in some weeks after planting (WAP), i.e. : FC (since 0 WAP); 4/5 FC (0 WAP) and FC (since 2 WAP); 3/5 FC (0 WAP), 4/5 FC (2 WAP),  and FC (since 4 WAP);  2/5 FC (0 WAP), 3/5 FC (2 WAP), 4/5 FC (4 WAP), FC (since 6 WAP). The second factor were mulching intervals, i.e.: 0 – 2 WAP; 0 – 4 WAP; and 0 – 6 WAP. The Observations included plant height (2, 4, and 6 WAP), and number of tillers (6 WAP). The results showed that water supply 3/5 FC (0 – 4 WAP) still could be tolerated by early growth of upland rice, but water supply 2/5 FC (0 – 2 WAP) decreased early growth of upland rice significantly. Mulching interval since planting to 4 and 6 weeks after planting able to increased tillers number, while the mulching interval since planting to 2 weeks after planting had no significantly effect on tillers number of upland rice. 
Efikasi Pupuk Organik dan Pupuk Anorganik terhadap Pertumbuhan dan Produksi Tanaman Padi di Lahan Kering. Yakup, Yakup; Simamora, Markus William Kaisar; Azzahra Jenyca, Zsa-Zsa; Sholehah, Nur; Hunafa, Gatmir Zaki; Laoli, Jaeristia
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Yakup, Y., Simamora, W. K. S., Jenyca, Z. A., Sholehah, N., Hunafa, G. Z., Laoli, J. (2024). Efficacy of organic fertilizers and inorganic fertilizers on the growth and production of rice plants in dry land. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 461–476).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Growing rice plants in dry land faces significant challenges such as lack of water and low soil fertility. Unbalanced fertilization is also a factor that causes a decrease in rice productivity. This research aimed to determine the effect of applying organic fertilizer (NAP and NS) at various doses of inorganic fertilizer (N, P, and K) on the growth and production of rice plants in dry land.  Held from February 2007 to June 2007 at Agro Techno Park, Bakung Village, North Inderalaya District, Ogan Ilir Regency, South Sumatra.The method used was a factorial randomized block design with two factors and each treatment was repeated three times.  The first factor is the provision of organic fertilizer, namely: control (P0), NAP organic fertilizer (P1) and NS organic fertilizer (P2).  The second factor is the dose of inorganic fertilizer (N, P, K), namely: control (A0), 25% inorganic fertilizer (A1), 50% inorganic fertilizer (A2), 75% inorganic fertilizer (A3), 100% inorganic fertilizer (A4 ). Inorganic fertilizer treatment had a significant effect on the number of productive tillers. The treatment of organic fertilizer (P), inorganic fertilizer (A), and the interaction of organic fertilizer and inorganic fertilizer (PxA) had no significant effect on plant height, maximum number of tillers, number of productive tillers, number of fruity panicles, number of empty panicles, percentage of empty grains, percentage of grain content, weight of 1000 grains, number of grains per panicle, dry grain weight, dry straw weight and yield per ha.  Grain production in the NAP organic fertilizer treatment with a 75% inorganic fertilizer dose (P1A3) was 2.78 tons per ha, while grain production in the NS organic fertilizer treatment with a 100% inorganic fertilizer dose (P2A4) was 2.45 tons per ha.  Grain yield in the P1A3 treatment increased by 13.46%, while grain yield in the P2A4 treatment increased by 5.71%. Organic Fertilizer plays a role in making the use of inorganic fertilizer efficient. The use of organic fertilizer is not to replace inorganic fertilizer, but is used as a complement to increase soil and plant productivity in a sustainable manner. Therefore, it is best to use a combination of organic fertilizers in rice cultivation. Further research needs to be carried out on different varieties, for example on tidal rice or lowland swamp.
Co-Authors , Munandar A. I. Munawar A. Y.A Wiralaga Abdillah, Mohamad Rizal Abdul, Elfis Mus Adipati Napoleon Adipati Napoleon Adriansyah, Fikri Amar, Muhammad Amin Fauzi, Amin Andesta, Andesta Angraeni, Dian Elsi Angraini, Lili Apria, Apria Apriansa, Azharudin Asep Indra M. Ali Astuti Kurnianingsih Azzahra Jenyca, Zsa-Zsa Bela, Triwulan Maryanita Benyamin Lakitan Budianta, D. Budianta, Deddik Chaya, Muhardianto Dedik Budianta Djafar, Asri Dwi Asmono Dwi Putro Priadi Dwi Setyawan Dwisatria, Novian Erizal Sodikin Erna Siaga, Erna Firdaus Sulaiman, Firdaus Fitra Gustiar, Fitra Fitri Ramadhani Fitri Ramadhani Fritra Gustiar Gani, Trias Ghifari, Muhammad Al Gobel, Dedi Habibulloh, Habibulloh Haikal, Umair Harun, M Umar Hasanuddin Hasanuddin Heni Agustina Hunafa, Gatmir Zaki Hunowu, Zet Ibrahim, Meimoon Ida Nursanti Idrus Usu Iin Siti Aminah, Iin Siti Illyas, Rosli Md. Imelda S. Marpaung Irawan, Bobby Irmawati Irmawati Irmawati Irmawati Isa, Nirwan Ismed Inonu Jaafar, Nardiah Rizwana Karundeng, Deby Rita Lamuda, Ilyas Laoli, Jaeristia M. B. Prayitno M. Umar Harun M. Umar Harun Mardhiana Mardhiana Maria Fitriana Marlin Sefrila Marlina Marlina Masiaga, Novaliastuti Mery Hasmeda Miftakhul Huda Moh. Rolli Paramata Muda, Strayker Ali Muhakka Muhakka Muhammad Ammar Mulyadi Mulyadi Munandar Munandar Munandar Munandar Munandar Munandar Musdalifah Musdalifah Nailatul Fadilah, Lya Nopit, Nopit Yohanes Nurshanti, Dora Fatma Olfin Ishak Potale, Marlen Pratama, Dody R. Hayati Rahayu, Leni Renih Hayati Ria, Rofiqoh Purnama Risna rusdan Robiyati Podungge Sabaruddin Sabaruddin Said, Dian Saprudin Saprudin, Saprudin Satria Jaya Priatna, Satria Jaya Satyawati, Tara Sefrila, Marlin Seprila, Marlin Sholehah, Nur Simamora, Markus William Kaisar Sjafei, Gusdi Khamsaldin Sodikin, E. Sopiana, Rina Susilawati, Susilawati Suwignyo, R.A. Suyanto, Moh. Afan Suyanto, Mohamad Afan Teguh Achadi Timur, Widya Ulfah, Febrinita Umar Harun, Muhammad Umar Harun, Umar Wandri, Ruli Warsito Warsito Yernelis Syawal Zaidan, Zaidan Zulkipli Zulkipli Zulkipli Zulkipli