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Journal : Seminar Nasional Lahan Suboptimal

Biofortification of Iodine Concentration in the Leaves of Amaranthus Sp and Ipomea reptan Poir Growing in Hydroponic Culture Munandar, Munandar; Toumae, Villian; Ammar, Muhammad; Gustiar, Fitra
Seminar Nasional Lahan Suboptimal 2019: Prosiding Seminar Nasional Lahan Suboptimal “Smart Farming yang Berwawasan Lingkungan untuk
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Munandar M, Toumae V,  Ammar M, Gustiar F.  2019.  Biofortification of Iodine Concentration in the Leaves of Amaranthus Sp and Ipomea reptan Poir Growing in Hydroponic Culture. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal 2019, Palembang 4-5 September 2019. pp. 360-369. Palembang: Unsri Press. Biofortification of Amaranthus sp and Ipomea Reptan Poir with iodine is one of the alternative strategies for the enrichment of iodine in vegetable plants. The leafy green vegetables are categorized as horticultural crops, these are easy to cultivate, cheap and affordable for people in rural areas. The aim of this research was to increase iodine concentration in the leaves of Kangkung (Ipomea reptan poir) and spinach (Amaranthus sp) grown in hydroponic culture and evaluate its effect on plant growth. The experiment was conducted from November 2018 to February 2019 at the Hydroponic Shade House, Department of Agronomy, Faculty of Agriculture, Sriwijaya University.The design method used for this research was Completely Randomized Design (CDR) with 4 treatment of Iodine concentration in culture  solution and 4 replications. The treatments were: T0 = 0 ppm, T1 = 25 ppm KI, T2 = 50 ppm KI and T3 = 75 ppm KI, which comprises of 16 experimental units. Each unit of experiment consisted  of a container filled with 6 liters of A&B mix culture solution and    6 plants, i.e. 3 kangkung and 3 spinach were planted. Based on the results, it showed that the analysis of variance for plant height, leaves number, and chlorophyll content were not significantly different for both kangkung and spinach. While the ANOVA for fresh weight of kangkung leaves and stalks were highly significant, and the dry weight of kangkung leaves was significant. The   iodine in leaves   of kangkung (Ipomea reptan poir)   increased with the increasing the amount of iodine concentration supplementation in culture solution. The iodine content in leaves of T1 plant (25ppm) was between the range of 7-15ppm, for T2 plant (50ppm) while  in T3 plant (75 ppm) the iodine content in leaves was between the range of 20-27 ppm. Spinach plant  (Amaranthus sp) grow well only until the Iodine concentration,  treatment of 25 ppm (T1), and the iodine content in leaves reached the range of 7-15ppm. At   the  treatment of 50 ppm KI (T2)  and 75 ppm (T3)  leaves of spinach plants showed  heavy necrosis   as a symptom of  high iodine toxicity, and  plants was dry and died at three weeks after the  Iodine treatment.  In general, it is concluded that  biofortification of Iodine in the leafy green vegetables by applying hydroponic culture is possible.The highest concentration supplementation of Iodine in culture solution  for Iodine biofortification in  Spinach plant  (Amaranthus sp)  was  25 ppm, while for   kangkung (Ipomea reptan poir)  was  50 - 75ppm.Keywords: biofortification, iodine supplementation, hydroponic culture. kangkung, spinach
Aplikasi Pupuk Organik Cair pada Media Campuran Pupuk Kandang Sapi di Pertanaman Bawang Merah secara Terapung Irmawati Irmawati; Susilawati Susilawati; Sri Sukarmi; Muhammad Ammar; Teguh Achadi; Azizul Amri
Seminar Nasional Lahan Suboptimal 2021: Prosiding Seminar Nasional Lahan Suboptimal ke-9 “Sustainable Urban Farming Guna Meningkatkan
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Irmawati I, Susilawat S, Sukarmi S, Ammar M, Achadi T, Amri A. 2021. Application of liquid organic fertilizer on shallot planted on cow manure mixture media in floating system. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-9 Tahun 2021, Palembang  20 Oktober 2021. pp. 713-720.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Floating agriculture is an alternative to the potential use of wetlands in South Sumatra. Shallot as one of important crop commodities is considered to be able to adapt well to this floating systems. However, the use of inorganic chemicals should be minimized to avoid polluting the water below. Thus, this research was conducted to evaluate the effect of liquid organic fertilizer application on shallot plants grown on mixed media of cow manure in a floating system. This research was carried out at the reservoir of Agriculture Faculty of  Sriwijaya University Indralaya using a Randomized Block Design with 4 treatment levels and 3 replicates. The treatment was liquid organic fertilizer dose consisted of P0 = control (recommended dose of NPK fertilizer = 1,4 g NPK per polybag); P1 = 4 ml liquid organic fertilizer per liter; P2 = 8 ml liquid organic fertilizer per liter; P3 = 16 ml liquid organic fertilizer per liter. Parameters observed were plant length, leaf number, tiller number, leaf greenness, plant dry weight, bulb diameter, bulb fresh weight, and air-dried bulb weight. The results showed that the application of liquid organic fertilizer gave a positive effect compared to the control treatment. In general, P3 treatment was the best treatment as shown in growth and yield parameters.
Pengaruh Penggunaan Komposisi Media Tanam terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium cepa L.) Susilawati Susilawati; Muhammad Ammar; Mu’arif Mu’arif
Seminar Nasional Lahan Suboptimal 2018: Prosiding Seminar Nasional Lahan Suboptimal "Tantangan dan Solusi Pengembangan PAJALE dan Kela
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Susilawati et al, 2019.The Effect of Using Growing Media Composition on Growth and Yield of Shallot (Allium cepa L.). pp. 93-102.The aimed of research was to study the effect of using growing media composition on growth and yield of shallot (Allium cepa L.). Research was conducted from February until April 2017. Design used in this study was randomized block design (RBD) with 9 treatments and 3 replications. The treatments was A0 = Control (90% soil : 10% chicken manure), A1 = 80% soil : 20% cow manure, A2 : 70% soil : 30% cow manure, A3 = 60%  soil : 40% cow manure, A4 = 50% soil : 50% cow manure , A5 = 80% soil : 20% husk charcoal, A6 = 70% soil : 30% husk charcoal, A7 = 60% soil : 40%  husk charcoal, A8 = 50% soil : 50 husk charcoal. The results showed that the use of planting media composition of 60% soil : 40% of cow manure can improve the growth and yield of shallot plants better. This is consistent with plant height variables, number of leaves, number of tillers, number of tubers, fresh weight of tubers, and dry weight of tubers. The highest dry weight yield was found in the composition of 60% soil : 40% of cow manure with an average yield of 84.36 g per hill.
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.
Komparasi Produksi Cabai Merah (Capsicum annum L.) Sistem Terapung dan Non-Terapung pada Berbagai Dosis Pupuk Kompos Sapi Hidayatulah, Rahmat; Apriliani, Sri; Susilawati, Susilawati; Ammar, Muhammad
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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Hidayatulah R, Apriliani S, Susilawati S, Ammar M. 2022. Comparison of production of red chili (Capsicum annum  L.) floating and non-floating systems at various doses of cow compost fertilizer. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-10 Tahun 2022, Palembang  27 Oktober 2022. pp. 712-721.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Cow dung waste generated in livestock activities has not been utilized optimally. Manure produced from farms is continuous as long as the farm operates. This will be a problem because it will pollute the surrounding environment. To overcome this problem, the potential of cow dung waste can be used as compost for horticultural crops such as red chili (Capsicum annum L). This study aimed to compare the growth and production of red chili (Capsicum annum L. var. Gada F1) with floating and non-floating systems at various doses of cow compost. The study started with the cultivation of red chili varieties of Gada F1 by applying compost at various doses with a Randomized Block Design (RAK) with 3 replications. The dose of cow dung compost used is 300 g/5 kg of soil; 600 g/5 kg of soil; 900 g/5 kg soil; and 0 g/5 kg of soil as control. Data were obtained from the calculation of plant growth and production which included height, number of leaves, diameter of the crown, number of flowers, number of fruits, fruit length, fruit diameter, and fruit weight per plant and analyzed using ANOVA. If there is a significant difference, then it can be continued with the BNT test (Least Significant Difference). For the results of production observations which include fruit fresh weight, fruit length, and fruit diameter, an unpaired independent sample t-test was used. This t-test is used to compare the difference between the two means (means) of two independent samples with the assumption that the data are normally distributed.. With a non-floating system and application of cow compost at a dose of 900 g/5 kg of soil, it can provide the most optimal results for the production of red chili plants of the Gada F1 variety.
Co-Authors . Parwiyanti . Zulfan ., Ermanovida Abdullah, Mohd Agus Nashri Afroz, Sayed Al Adam, Koji Al-Adam, Koji Amalia Sutriana Anam, M. Khairul Andriyani, Reni Apriliani, Sri Ariga, Muhammad Faris Asriani Asridiana Asridiana, Asridiana ASRIL ASRIL Azim, Muhammad Azizul Amri Bangsawan, Gema Benyamin Lakitan Berutu, Alim Chandra Irsan Cut Intan Novita Daniel Happy Putra Dr. Susilawati Susilawati Dwi Puspita, Adelia Eddy Supriyono Eka Meutia Sari Eko Yudiyanto Erizal Sodikin Fadli, Chairul Firdaus Sulaiman Firdaus Sulaiman, Firdaus Fitra Gustiar, Fitra Fridayati, Diah Gaznur, Zikri Maulina Hafid Tahir, Abdul Harun, M Umar Harun, Muhammad Umar Haseeb Irfan, Fahad Hendra Koesmara Heri Heriyanto Hidayatulah, Rahmat Indah, Suci Irmawati Irmawati Irmawati Irmawati Izzati, Raichan Kardin, Julia Kukuh Nirmala M. Umar Harun Marieska Verawaty Masduqi Masduqi Mudastsir, Mudastsir Mudinillah, Adam Muhammad Resthu Muhammad Sajidin Muhammad Subhan Hamka Muhammad Umar Harun Muhammad Umar Harun Munandar Munandar Munandar Munandar Mutawalli Mutawalli Mu’arif Mu’arif Nabilah Putroe Agung Novianti, Arindita Niatazya NURLIANA NURLIANA Nuruzzahri Nuruzzahri, Nuruzzahri Nuzul Asmilia Pratama, Said Mirza Riska Ayu Setiawati, Riska Ayu Saleem, Amina Saleh, Adnan Achiruddin Saputra, Henry Kasmanhadi Sekar Wahyu Ningsih Septrianda, Suci Shafiq, Saman SITI HERLINDA Sri Sukarmi Suhendi, Endang Susilawati Susilawati Susilawati, Susilawati Suwandi Suwandi Teguh Achadi Toumae, Villian Tsania, Ayu Wildan Nurussalam Wulandari, Safitri Safari Yakup Parto Yaman, Muhammad Aman Yundari, Yundari Z. D Asmara Zakwan, Muhammad