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All Journal Jurnal Hortikultura Indonesia (JHI) Jurnal Lahan Suboptimal Jurnal Ilmu-Ilmu Pertanian Indonesia AGRIVITA, Journal of Agricultural Science Seminar Nasional Lahan Suboptimal Jurnal Entomologi Indonesia BIOVALENTIA: Biological Research Journal
Dr. Susilawati Susilawati
Jurusan Budidaya Pertanian, Fakultas Pertanian Universitas Sriwijaya Jalan Palembang-Prabumulih,km.32, Ogan Ilir, Indralaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology Other

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Growth and Yield of Shallots at various Plant Spacing in Ultisol Dry Land Budiyati Ichwan; Eliyanti Eliyanti; Zulkarnain Zulkarnain; Susilawati Susilawati; Indra Permana
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 12 No. 1 (2023): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.12.1.2023.622

Abstract

Plant spacing was one method that could be used to boost plant populations. In order to increase shallot (Allium ascalonicum L.) production and productivity on less-than-ideal ground, such as dry land in Jambi. This study aimed to examine the effects of various plant spacing on the growth and yield of shallots and to obtain plant spacing that provides the best shallot growth and yield. This research was conducted at the Teaching and Research Farm, Faculty of Agriculture, University of Jambi. The design used a   Randomized   Block   Design (RBD) consisting of four treatments with six replications. The treated plant spacing was:10 cm x 10 cm; 15 cm x 15 cm; 15 cm x 20 cm; and 20 cm x 20 cm. Various plant spacing affected the shallot growth and yield, and a plant spacing of 15 cm x 15 cm provided better growth and yield compared to any other plant spacing, with the number of leaves per plant, the weight of bulbs per clump, and the weight per bulb of 22, 49, 49.84, and 13.94 g   successively.
Growth and Yield of Red Chili at various Doses of Chicken Manure Using Conventional and Floating Cultivation Techniques Susilawati Susilawati; Irmawati Irmawati; Sri Sukarmi; Muhammad Ammar
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 12 No. 1 (2023): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.12.1.2023.632

Abstract

The aimed of this study was to determine the effect of chicken manure application on red chili plants using conventional and floating cultivation techniques. The research was carried out on the experimental farm for conventional cultivation techniques and in research pond for floating cultivation located in the Faculty of Agriculture, Sriwijaya University, Indralaya Campus, Ogan Ilir, South Sumatra with an altitude of 10 m above sea level from July to November 2022. The experiment used a randomized block design with one factor, namely chicken manure (0, 10, 20 and 30 tons/ha) with three replications. While the floating experiment used 200 cm x 100 cm of bamboo rafts. Parameters observed included plant height, number of leaves, crown diameter, fruit length, fruit diameter, fruit weight per fruit, and total fruit weight per plant. Data were analyzed using Analysis of Variance (ANOVA) at the 5% level. The results showed that increasing the dose of chicken manure up to 30 tons/ha in both cultivation techniques increased plant height and number of leaves. Likewise for the number and weight of fruit, obtained at the same dose in conventional techniques, namely 30 tons/ha. However, fruit length and diameter parameters were higher in floating cultivation at all doses of chicken manure treatments. Therefore, it was concluded that the use of chicken manure could increase the growth of chili plants in both cultivation techniques, although the size of the polybags used could not support the growth and yields optimally.
ANALYSIS OF PB CONTENT IN LEAVES OF COVERING PLANTS IN VARIOUS ROADS IN PALEMBANG CITY Hasdevi Hasdevi; Suheryanto Suheryanto; Susilawati Susilawati
BIOVALENTIA: Biological Research Journal Vol. 9 No. 1 (2023)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.9.1.2023.335

Abstract

Alternative Decree of the Director General of Oil and Gas No. 3674K/24/DJM/2006 dated March 17, 2006 concerning Standards and Quality (Specifications) of Gasoline-Type Fuel Oil Marketed Domestically where in the attachment to the Specification for Gasoline-Type Fuel Oil RON 91 and RON 95 (Pertamax) still contains Pb of 0.013 grams per liter. The exhaust gas produced by motorized vehicles using leaded fuel emits Pb into the environment and has the potential to be absorbed into the leaf tissue of road shade plants. The aim of this study was to examine the Pb content in the leaves and determine the effect of the Pb content in the ambient air on the Pb content in the leaves of various cover crops on Jalan Raya Palembang City. The research samples were leaves of mahogany, umbrella tree, burmese rosewood, bullet wood tree, and rain tree which were dominant and had similarities on Jl. Soekarno Hatta – Alamsyah Ratu Prawiranegara, Jl. Cabbage. H. Burlian, Jl. Jend. Sudirman, Jl. Jend. Basuki Rahmad, Jl. Jend. R. Soekanto, Jl. Jend. Ahmad Yani. Jl. governor HA. Bastari. Analysis of the Pb content in leaves and air using the AAS (Atomic Absorption Spectrophotometer) method. The results of the study found that the highest Pb content in the leaves of the Mahogany plant was on Jl. Jend. Basuki Rahmad 0.112 mg/kg while the lowest was on Jl. governor HA. Bastari <0.081 mg/kg. Pb content in umbrella tree plants in all roads < 0.081 mg/kg. The highest Pb content in burmese rosewood plants is on Jl. Jend. Basuki Rahmad 0.116 mg/kg while the lowest was on Jl. governor HA. Bastari <0.081 mg/kg. The highest Pb content in bullet wood tree Jl. Jend. Basuki Rahmad 0.099 mg/kg while the lowest is on Jl. governor HA. Bastari <0.081 mg/kg. The highest Pb content in rain tree is on Jl. Jend. Basuki Rahmad 0.089 mg/kg while the lowest is on Jl. governor HA. Bastari <0.081 mg/kg. The highest Pb content in ambient air is on Jl. Jend. Basuki Rahmad 0.06 ʯg/Nm3 while the lowest is on Jl. Jend. R. Soekarno. The Pb content in the ambient air affects the Pb content in the leaves.
PROPAGATION OF Cnidoscolus aconitifolius USING STEM CUTTINGS AT DIFFERENT MATURITY STAGES AND GROWING MEDIA Fitra Gustiar Mashadi; Benyamin Lakitan; Dedik Budianta; Zaidan P Negara; M. Umar Harun; Susilawati Susilawati; Straiker Ali Muda
BIOVALENTIA: Biological Research Journal Vol. 9 No. 1 (2023)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.9.1.2023.382

Abstract

Chaya leaves (Cnidoscolus aconitifolius (Mill.) I.M. Johnst.) are leafy vegetables that contain many vitamins and minerals. Information about the intensification of chaya cultivation is still rare. Chaya propagated by stem cuttings. The maturity level of stem cuttings and planting media were expected to affect the success of plant propagation. This study aims to determine the maturity level of cuttings material that can grow well and deter-mine the type of media that can support the growth of chaya propagation. This research has been carried out from July to October 2022 in an off-campus experimental outdoor facility located in Inderalaya, South Suma-tra. This study was conducted using a randomized block design with 2 factors. The first factor was the level of maturity of stem cuttings material (upper, middle, and basal), and the second factor was the type of growing medium (control, chicken manure, and cow manure). The results showed that the use of cuttings from the mid-dle and basal has a better percentage of growth ability than the upper cuttings. Chaya plants used basal stem cuttings exhibited slower shoot grow but produced higher number of leaves, greater leaf area, canopy area, and biomass. The use of cow manure in a mixture of growing medium gave the best results on growth of chaya plants.
ARTIFICIAL SHADE ADAPTATION AND POPULATION DENSITY ON SWISS CHARD (Beta vulgaris subsp. Cicla (L) W.D.J Koch) IN URBAN AR-EA Rofiqoh Ria; Benyamin Lakitan; Firdaus Sulaiman; Yakup Yakup; Zaidan P Negara; Susilawati Susilawati
BIOVALENTIA: Biological Research Journal Vol. 9 No. 1 (2023)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.9.1.2023.384

Abstract

Swiss chard is a leafy vegetable that is high in nutrients, vitamins, minerals, protein, and antioxidants that are beneficial to human health. Swiss chard. Swiss chard is generally cultivated in the Mediterranean climate, grows well in full sunlight, air temperatures 14-21oC, and can still survive at temperatures close to light frost. The aim of this study to evaluate efficient plant densi-ties in urban limited land area and looking at the response of Swiss chard plant to reduc-ing the intensity of sunligt of 45%, 55% and 80%.in urban tropic area. This research was used 4 different artificial shading i.e 0% (control, shade 45%, shade 55% and shade 80%. Microclimate was measured per each shade for 14 days i.e., air temperatur, soil temperature, air humidity, and soil moisture using a data logger meter. Shade with intensity 80% is proven to reduce air temperate and soil temperature, but also inhibits the growth and development of Swiss chard plants. Population 1plant/pot gives the best growth and yield of Swiss chard per plant, 3 plants/pot increased total fresh weight per cultivation area, thereby maximize the use of limited urban land
Growth Characteristics of Shallot on Various Planting Media Composition Astuti Kurnianingsih; Susilawati; Marlin Sefrila
Jurnal Hortikultura Indonesia (JHI) Vol 9 No 3 (2018): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (242.387 KB) | DOI: 10.29244/jhi.9.3.167-173

Abstract

Bawang merah termasuk salah satu produk hortikultura unggulan nasional dan termasuk kelompok sayuran rempah tidak bersubstitusi. Budidaya tanaman bawang merah membutuhkan tanah yang memiliki struktur remah, dengan tekstur sedang sampai liat, mengandung bahan organik tinggi, memiliki drainase dan aerasi yang baik serta memiliki pH 5.6 - 6.5. Penelitian ini dilakukan dengan tujuan melihat karakter pertumbuhan tanaman bawang merah pada berbagai komposisi media tanam. Penelitian dilaksanakan di Kebun Percobaan dan Laboratorium Fisiologi Tumbuhan Jurusan Budidaya Pertanian Fakultas Pertanian Universitas Sriwijaya Indralaya. Penelitian dilaksanakan pada bulan Agustus sampai November 2017. Penelitian menggunakan rancangan acak kelompok (RAK), dengan 11 perlakuan yang diulang sebanyak tiga kali. Setiap unit perlakuan berjumlah lima tanaman, sehingga terdapat 11 x 3 x 5 = 165 tanaman. Dengan perlakuan sebagai berikut: P0 : tanah top soil; P1 : tanah : pupuk kandang ayam (2:1); P2 : tanah : pupuk kandang sapi (2:1); P3 : tanah : TKKS (2:1); P4 : tanah : pupuk kandang ayam (3:1); P5 : tanah : pupuk kandang sapi (3:1); P6 : tanah : pupuk TKKS (3:1); P7 : tanah : pupuk kandang ayam : TKKS (2:1:1); P8 : tanah : pupuk kandang sapi : TKKS (2:1:1); P9 : tanah : pupuk kandang sapi : TKKS (3:1:1); P10: tanah : pupuk kandang : ayam : TKKS (3:1:1). Berdasarkan hasil penelitian menunjukkan bahwa penggunaan media tanam tanah dan pupuk kandang ayam dengan perbandingan (3:1) dapat meningkatkan tinggi tanaman, jumlah daun dan jumlah anakan per rumpun. Kata kunci: bahan organik, bawang merah, komposisi media tanam, pupuk kandang
Pertumbuhan dan Frekuensi Panen Tanaman Cabai Merah pada Kondisi Suboptimal secara Terapung Susilawati Susilawati; Muhammad Ammar; Irmawati Irmawati; Muhammad Umar Harun; Erizal Sodikin; Budiyati Ichwan
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 24 No 2 (2022)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.24.2.126-131

Abstract

[GROWTH AND HARVESTING FREQUENCY OF RED CHILI PLANTS WITH THE APPLICATION OF  NPK FERTILIZERS CULTIVATED ON SUB-OPTIMAL LAND IN FLOATING CULTURE SYSTEM]. The low productivity of red chili in South Sumatra is mostly due to its cultivation was conducted in sub-optimal land that is less favorable for producing vegetable crops. This study aimed to evaluate growth and yield of red chili plants under suboptimal conditions using various doses of NPK fertilizer. The experiment was carried out from June to October 2022, at the water reservoir and experimental field (as a comparison) at the Faculty of Agriculture Universitas Sriwijaya, Indralaya, South Sumatra with an altitude of 10 m above sea level. Both experiments were arranged in a randomized block design with three replications and one factor in the group, namely NPK fertilizer doses (0, 5, 10, and 15 g/polybag). For the experiment in the water reservoir, each treatment was arranged randomly in a 200 cm x 100 cm bamboo raft (for each group). The results showed that the application of NPK fertilizer in floating cultivation did not increase plant height, number of leaves, shoot diameter, and harvesting frequency of red chili. It was concluded that the application of NPK fertilizer in floating cultivation did not increase growth and harvesting frequency of red chili.  
Co-Authors Ade Mutia Akrom, Akrom Astuti Kurnianingsih Astuti Kurnianingsih Astuti Kurnianingsih B., Lucy Robiartini Benyamin Lakitan Budiyati Ichwan Chandra Irsan Dedik Budianta Eliyanti Eliyanti Erise Anggraini Erizal Sodikin Firdaus Sulaiman Fitra Gustiar, Fitra Hasdevi Hasdevi Hasmeda, Mery Hegar Nurjannah Hesti Apryanti Indra Permana Irmawati Irmawati Irmawati Irmawati Khoirul Ikhsanudin Hanif M. Umar Harun M. Umar Harun Marlin Sefrila Muhammad Ammar Muhammad Ammar Muhammad Ammar Muhammad Umar Harun Munandar Munandar R.A. Suwignyo Rifki Hayatullah Rina Sopiana Rofiqoh Ria Rujito Agus Suwignyo SITI HERLINDA Sri Sukarmi Sri Sukarmi Straiker Ali Muda Suheryanto Suheryanto Suwandi Suwandi Tili Karenina Yakup Yakup Z, Zulkarnain Z. D Asmara Zaidan P Negara Zaidan P Negara