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All Journal ENVIAGRO Seminar Nasional Lahan Suboptimal
D Budianta, D
Program Pascasarjana Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Environmental Science Other

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Toleransi Beberapa Klon Karet (Hevea brasiliensis Muell. Arg.) pada Media Tailing Pasir Pasca Tambang Timah Inonu, Ismed; Budianta, D; Umar, M; Wiralaga, AYA
ENVIAGRO Vol 3, No 1 (2010): ENVIAGRO, APRIL 2010
Publisher : Universitas Bangka Belitung

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The objective of this study was to evaluate the tolerance of the six combinations of the recommended rubber clones in the tin post-mining tin sand s  media . The experiment  conducted in Reclamation Nursery of PT Koba Tin Sub District of Koba District of Central Bangka during 4 month.  This experiment was designed according to completely randomized design. The Treatment factor is a combination of rootstock and scion clones, consisting of (GT 1 + BPM 24), (GT 1 + PB 260), (1 + IRR GT 118), (PB 260 + BPM 24), (PB 260 + PB 260), and (PB 260 + IRR 118). Each treatment consisted of three replications and each replication consisted of three plants. The rubber tree seedlings are planted on mixing of s sand, top soil and manure chicken manure (2:1:2, v/v), and on non-mining land media as a control.  The variables are percentage of seedling, shoot length, shoot diameter, number of leaf petiole, leaf area, shoot biomass, root biomass, total biomass, specific leaf area ratio and root shoot ratio was measured at 20 MST. Data were analyzed statistically with analysis of variance and Duncan multiple range test. The growth of rubber seedlings on sand s media were ameliorated with top soil and chicken manure was lower than in non-mining soil media. Based on the results of tolerance tests,of  six combinations of clones, the combination of GT 1 clone as rootstock and clone PB 260 as entres was classified quite tolerant category and produce better growth than the other clones.
Pupuk Organik Cair asal Limbah Kulit Nanas untuk Perbaikan Lahan Karet Rakyat di Payaraman Barat, Ogan Ilir Setyawan, Dwi; Maren, A; Budianta, D; Warsito, Warsito; Priatna, S J
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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Setyawan D, Maren A, Budianta D, Warsito W, Priatna SJ. 2022. Liquid organic fertilizer from pineapple peel waste for rural rubber land improvement in West Payaraman, Ogan Ilir. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-10 Tahun 2022, Palembang  27 Oktober 2022. pp. 878-884.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Rubber plantations are an important source of income in Payaraman District, Ogan Ilir and are generally cultivated on marginal lands. Meanwhile, pineapple peel waste that is not utilized will pile up into garbage even though it can be used as liquid organic fertilizer or compost. This study aimed to assess the effectiveness of POC pineapple peel waste in increasing soil N, P, and K nutrients and latex production. The study used a split plot design with the main plot of weed clearing (without and with weeding) while the subplots were POC doses of 0, 1, 2, 3 and 4% (equivalent to 0, 10, 20, 30 and 40 ml POC). per liter of water). Watering is done with a frequency of once per week. The treatment was repeated three times. The experimental unit consisted of 30 mature rubber trees. Latex is collected weekly. The results showed that the POC of pineapple peel had a pH of 3.95; 0.05 % N; 0.027 % P and 0.19 % K. The initial soil pH value from 4.13 to 4.18 increased to around pH 5.0 after POC application for 4 weeks. Likewise, the total N content is about 0.26%; P-total 100 mg/kg and K-total 14 mg/kg. ANOVA results showed that the best treatment was a dose of 30 ml/liter with a latex production of 770 g/tree. Based on these observations, it can be concluded that the POC of pineapple waste has the potential to improve soil fertility and latex production. Weeding is important to reduce nutrient competition with rubber plants. 
Co-Authors AYA Wiralaga, AYA Dwi Setyawan Ismed Inonu M Umar, M Maren, A Priatna, S J Warsito Warsito