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Journal : Seminar Nasional Lahan Suboptimal

Pengaruh Pemberian Pupuk NPK terhadap Pertumbuhan dan Hasil Tanaman Kangkung Darat (Ipomoea reptans poir.) secara Terapung Ammar, Muhammad; Susilawati, Susilawati; Irmawati, Irmawati; Harun, M Umar; Achadi, Teguh; Sodikin, Erizal; Wulandari, Safitri Safari
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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Ammar M, Susilawati S, Irmawati I, Harun MU, Achadi T, Sodikin E, Wulandari SS. 2022. The application of  NPK  fertilizer on growth and yields of kale (Ipomoea reptans poir.) in floating system. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-10 Tahun 2022, Palembang  27 Oktober 2022. pp. 628-634. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).South Sumatra Province is a province with great swampland potential. One of the uses of lebak swamp land is by floating cultivation. Floating cultivation in this study used a raft made of 10 bamboos with a size of 2x1 M. This study aimed to determine the effect of npk fertilizer application on the growth and yield of land kale plants in a floating manner. This research was carried out Embung on the campus of Sriwijaya Indralaya University, from May to July 2022. The study was prepared using a Randomized Group Design (RGD) with 4 treatments, each treatment was repeated 3 times and received 12 treatment units, each treatment unit had 3 plants, so that the total number of plants was 36 plants. P0= Control P1= 0.5 g NPK/polybag P2= 1 g NPK/polybag P3= 1.5 g NPK/polybag. Observed parameters include plant height, number of leaves, degree of leaf greenness, leaf area, fresh weight of the crown, fresh weight of the leaves, fresh weight of the roots, length of the roots, dry weight of the crown, dry weight of the leaves and dry weight of the roots. Based on the results of the study, it was shown that the administration of the recommended dose of NPK fertilizer P2 = 1 g NPK/Polybag gave the best results compared to other dose treatments.
Pengaruh Ukuran Umbi terhadap Pertumbuhan Awal Tiga Varietas Bawang Merah (Allium ascalonicum L.) Susilawati, Susilawati; Sodikin, Erizal; Sulaiman, Firdaus; 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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Susilawati, S., Sodikin, E., Sulaiman ,F., & Irmawati, I. (2023). The effect of bulb size on the initial growth of three varieties of shallot (Allium ascalonicum L.). In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang  21 Oktober 2023. (pp. 151-162).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Both vegetative (using bulbs as planting material) and generative (using seeds) methods can be used to cultivate shallot plants. Although using bulbs is simpler, it has a number of drawbacks, including the need for more seeds, relatively high costs, and the challenge of planning a planting timetable. In order to support the growth of three types of shallots, this study sought to assess the strength of the correlation and regression models of the bulb features.  The study was carried out during June and July 2023 in Tanjung Pering Village, Indralaya Utara Subdistrict, Ogan Ilir, South Sumatra, at coordinates 003 13'00" LS and 104 38'16" E. A Randomized Block Design with two components and three replications was employed in the study. The first factor is the utilization of three different varieties: Bauji, Bima Brebes, and Tajuk. The second component is bulb size, which comes in three sizes: small (1.5 cm), medium (1.5 cm to 2.0 cm), and large (>2.0 cm). The research plot measured 150  cm by 100 cm, and each treatment plot had 21 plants. The parameters that were measured included the bulb character, which included the diameter, weight, length, and volume of the bulb, and the bulbs initial growth, which included the leaf length, number of leaves, tillers, and SPAD value. Based on the coefficient of determination (R2), the findings demonstrated that the linear zero-intercept model consistently performed better than other regression models in correlating bulb diameter with bulb length, weight, and volume. The Tajuk variety had the most leaves and tillers but the lowest SPAD score when varieties and bulb sizes were combined early in growth. Shallot plants develop best in their early stages on little bulbs. Conclusion the most accurate model for correlation between bulbs characters uses a zero intercept linear regression model.
Pertumbuhan Bawang Merah (Allium ascalonicum L.) Varietas Bima Brebes dengan Tujuh Macam Komposisi Blotong Tebu dan Pupuk Kandang Sapi Gustiar, Fitra; Sodikin, Erizal; Nanda Hasibuan, Aulia; Alkhair, M. Hafiz; Agustin, Aliya; Angreini, Erina; Pratiwi, Maiyola; Reli, Rapita
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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Abstract

Gustiar, F., Sodikin, E., Hasibuan, A.N., Alkhair, M.H., Agustin, A., Angreini, E., Pratiwi, M., & Reli, R. (2023). Growth shallots (Allium ascalonicum L.) Variety bima brebes with seven composisitions of sugarcane blotong and cow manure. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-11 Tahun 2023, Palembang 21 Oktober 2023. (pp. 214-222). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Bima brebes shallot variety is shallot variety that is widely cultivated by farmers because it is easy to grow, in recent years farmers have experienced a 50% decrease in yield due to decreased soil frtility due to chemical fertilisers, to overcome this the use of chayote blotong and cow manure can be used for shallots, this study aimed to determine the growth of shallots (Allium ascalonicum L.) bima brebes varieties with seven different compositions of sugar cane blotong and cow manure. The method used was the research method of Randomized Group Design (RGD) consisting of 7 treatments, with the composition (soil: sugar cane blotong: manure) namely P0 (2:0:0), P1 (2:2:0), F (2:2.5:0.5), P3 (2:1:1), P4 (2:0.5:1.5), p5 (2:0:2), and P6 (1:1:1) analysed by variance analysis (ANOVA). The results of applying mixed manure had an effect on shallot plant height, number of leaves, fresh weight and dry weight of stalks, fresh weight of beetles, dry weight of beetles, number of bulbs, diameter of bulbs and measurement of root length, but had no significant effect on the number of seeds and greenness of leaves. Mixture of soil: sugarcane blotong: cow manure with P2 (2:1.5:0.5) was the best treatment and P5 (2:0:2) was the slowest treatment. The conclusion of this study shows that the combination of sugarcane blotong and cow manure on shallots can increase growth and production. It is recommended that further research be carried out in the field in order to obtain a more appropriate dose of shallots.