Botryococcus braunii is a colonial green microalga with high potential as a source of valuable biomass. However, its large scale production is constrained by high production costs. The utilization of snakehead fish culture wastewater supplemented with agricultural fertilizers provides a more economical and sustainable growth medium. This study aimed to determine the optimal percentage of agricu…
Shallots (Alium ascalonicum L.) are a horticultural commodity classified as spice vegetables. This study aims to determine the effect of K₂SO₄ fertilizer on the growth and yield of shallots of the Bima Brebes variety floating. This study was conducted at the Embung Faculty of Agriculture, Sriwijaya University, North Indralaya, Ogan Ilir Regency, South Sumatra with coordinates 003°13’16…
Local rice varieties (Oryza sativa L.) cultivated in the swampy lowlands of South Sumatra possess specific adaptation potential, yet information regarding their genetic diversity remains limited. This study aimed to evaluate genetic distance using RAPD molecular markers and to select the agronomic potential of several local swamp rice varieties. The research was conducted using a Completely Ran…
The objective of this study was to observe the growth and production yield of superior orange popcorn corn varieties, as well as to obtain F3 generation seeds from the cross between these two plants. This research was conducted in Indralaya District, Ogan Ilir Regency from July to October 2025. The research began with cross breeding purple popcorn corn of the F2 generation as the male parent, u…
This study aimed to determine the effect of applying oil palm empty fruit bunch (EFB) mulch at different rates per palm on the growth and yield of oil palm. The research was conducted at the agricultural cultivation research field of University Sriwijaya, located in Indralaya Utara, Ogan Ilir Regency, South Sumatra, on 15 years old oil palm plantations. The geographical coordinates of the study…
This study aims to determine the most effective raft model to support the growth and production of Grand Rapids variety lettuce (Lactuca sativa L.) in a floating cultivation system in non-tidal swamplands. The research was conducted using a Randomized Block Design (RBD) with four raft model treatments: bamboo raft (R1), gallon raft (R2), mineral water bottle raft (R3), and organic swamp plant r…
This study aimed to utilize activated palm shell charcoal as an adsorbent in the purification of bulk oil to improve its quality. This study used a completely randomized factorial design (CRBD) with two treatment factors and three replications. Treatment factor A (adsorbent type) consisted of two treatments: activated palm shell charcoal and unactivated palm shell charcoal, while treatment B (c…
One effort to maintain the production value of catfish is cultivation intensification, increasing stocking density from the nursery to the grow-out stage. Recirculating systems with combining of different filter types have been did in several previous studies. However, studies on the effect of different compositions of filter materials in the form of activated charcoal and zeolite during the nu…
Tanaman padi merupakan komoditas pangan yang menghasilkan beras, yang memainkan peran penting dalam kehidupan ekonomi Indonesia. Oleh karena itu, keberadaan padi menjadi prioritas utama masyarakat dalam memenuhi kebutuhan asupan karbohidrat yang dapat mengenyangkan dan menjadi sumber karbohidrat utama. Sebagian besar lahan rawa digunakan untuk mengembangkan budidaya padi. Salah satu masalah yan…
The use of natural ingredients as feed additives has been increasingly been developed because they are considered capable of improving fish performance and health. One of the potential natural ingredients as a feed additive is red onion (Allium cepa L.), which has been proven to enhance fish growth. The purpose of this study was to determine the optimal dosage of onion powder in feed for the gr…
Indonesia merupakan negara yang memiliki perairan diatas 50% dan penduduknya banyak yang menggantungkan hidup sebagai nelayan. Perkembangan teknologi yang pesat salah satunya Internet of Things (IoT) dan pembelajaran mesin memberikan pengaruh pengembangan dalam membantu memberikan keputusan. Dari beberapa penelitian terdahulu diperoleh beberapa isu yaitu: (i) Kualitas air, (ii) Hasil produksi, …
The limited availability of land has encouraged the development of vegetable cultivation in urban areas as an important component of food security. Urban agriculture is commonly practiced in home yards by utilizing small spaces as production areas. One approach that can support this practice is indoor plant cultivation using artificial LED lighting. The aim of this research is to find strategie…
Universitas Sriwijaya Indralaya has a 42.38 ha artificial freshwater lake. The species diversity of freshwater fish in the lake has not been documented. This study aims to study the species diversity of freshwater fish in the lake. The study was conducted from May to July 2025. This study used an exploratory survey method and sample collection using purposive random sampling technique. Fish wer…
Bronze featherback (Notopterus notopterus) is an economically valuable freshwater fish in South Sumatra, Indonesia. Increasing consumer demand for N.notopterus has led to increased exploitation in the wild. To increase the population and production, cultivation is necessary. This study aims to determine the growth and survival of N. notopterus in concrete ponds and tarpaulin ponds. This researc…
Papain enzyme, a protease enzyme has been shown to increase feed efficiency and fish growth. Papain enzyme performance is influenced by several factors, one of them is enzyme concentration. The appropriate enzyme concentration or percentage will maximize the enzyme's performance. This research aimed to determine the best percentage of papain enzyme addition to feed to increase the growth and fe…
Fish diversity is an important component in the functioning of aquatic ecosystems. The Kelekar River is a habitat for various species of freshwater fish. This study aims to assess the diversity of freshwater fish in the Kelekar River of middle section, Pelempang Village, Muara Enim Regency, South Sumatra. This research was conducted from May to July 2025. This research uses explorative survey m…
Rice (Oryza sativa) is one of the most important food crops worldwide. Rice can be grown on sub-optimal land, and the land most often used for rice cultivation is swampland. However, farmers face the challenge of uncertainty in predicting the height of water levels. This study aims to determine the yield and growth of T1 and TR1 accessions resulting from the cross between Inpara 8 and Inpago 5 …
Climbing perch (Anabas testudineus) is a native freshwater fish species in Indonesia that inhabits swamp, rivers and lakes. This species is known to have relatively slow growth and development. One efforts to increase its growth is through environmental manipulation with the lighting method (photoperiod) given to the rearing media. Photoperiod or duration of light exposure, is an environmental …
Porphyridium cruentum is a red microalga rich in bioactive compounds with potential for various industries. However, harvesting is difficult due to its microscopic unicellular nature. Bioflocculation using Streptomyces sp. offers an eco-friendly alternative. This study aimed to determine the optimal concentration of Streptomyces sp. for flocculation efficiency, protein and phycoerythrin content…
The main constraint in climbing perch (Anabas testudineus) culture is its relatively slow growth rate, which can affect the productivity and efficiency of aquaculture cultivation. The primary factors contributing to fish growth include feed quality, nutrient content, and the balance of essential amino acids. One effort to improve feed efficiency is through the supplementation of essential amino…
One of the challenges of snakehead fish farming is finding feed that is both affordable and high in protein. This study aimed to determine the effect of using locally sourced feed on snakehead fish growth. The research was conducted at the Aquaculture Laboratory and Experimental Pond of the Aquaculture Study Program Universitas Sriwijaya Department of Fisheries from July to August of 2025. The …
Fingerlings require proper nutrition to grow well. Silk worms (Tubifex sp.) are commonly used as feed during the fingerling phase due to their excellent nutritional content. However, a limitation of silk worms (Tubifex sp.) is their availability, which can be constrained during certain periods, especially in the rainy season, leading to increased prices and consequently higher production costs.…
Tomato (Solanum lycopersicum) is a major horticultural commodity with increasing demand due to its desirable fruit quality characteristics and the wide variety of processed products derived from it. However, field productivity is often constrained by plant pest and disease infestations that can significantly reduce yield. Chemical pesticides remain the primary control strategy, although their i…
Oil palm (Elaeis guineensis Jacq.) plantations in the Immature Plant (IMP) phase have open environmental conditions that support weed growth and create habitats for various arthropods. Arthropods play an important role in the plantation ecosystem, both as pollinators, predators, parasitoids, herbivores, and decomposers. This study aims to assess the level of arthropod diversity in IMP and surro…
This research is motivated by the economic value of the silver pompano (Trachinotus blochii) and its popularity among the public. In cultivation activities, feed plays an important role as the main factor influencing fish growth. Slow growth in fish is a major obstacle in the cultivation system. Efforts were made by adding natural ingredients of Javanese turmeric (Curcuma zanthorrhiza) and magg…
Research on the effect of adding papaya fruit powder to self-made feed based on papaya fruit powder with a 5% natural binder Gelidium sp, and commercial feed (Hi Pro Vite) to support the growth rate of White Snapper. The research method used a Completely Randomized Design (CRD) divided into 2 observations, namely physical testing of the feed and biological testing consisting of 3 treatments and…
SITI ANNISA TRI SUSANTI. Specific Allel of Nile Tilapia (Oreochromis niloticus.) from Maninjau Lake Based on Single Nucleotide Polymorphism (SNP) Marker (Supervised by MARINI WIJAYANTI). Tilapia (Oreochromis niloticus) is a fish native to the Nile River. Currently in Indonesia, there are many new strains of tilapia resulting from crossbreeding to produce tilapia with specific desired characteri…
Notopterus notopterus dan Chitala hypselonotus merupakan spesies ikan asli Sumatera Selatan, Indonesia. Kedua spesies ini termasuk dalam famili Notopteridae. Secara morfologi kedua spesies ini sangat mirip. Penelitian ini bertujuan untuk menganalisis perbedaan karakter morfometrik–meristik N.notopterus dan C. hypselonotus asal Sungai Kelekar, Sumatera Selatan. Penelitian ini telah dilaksanaka…
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Male guppies (Poecilia reticulata) are popular because they are have beautiful color patterns. The production of male monosex guppies can be done with masculinization techniques. One of the natural ingredients that can be applied in masculinization techniques is pasak bumi (Eurycoma longifolia) plant. The purpose of this research was to increase the percentage of male guppies. The research meth…