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Pengaruh Media Tanam dan Dosis Pupuk Kandang Sapi Terhadap Pertumbuhan dan Hasil Tanaman Tomat (Solanum lycopersicum L.) Sari Susanti; Meli Roslianti; Selviana Anggraini; Feri Agriani
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 24 No 1 (2026): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v24i1.5418

Abstract

Tomatoes are a type of fruit vegetable that has excellent prospects in agribusiness development due to its high economic value and high nutritional value. The successful growth and yield of tomato plants are greatly influenced by the condition of the planting medium and the availability of nutrients in the soil. The planting medium serves as a place for root attachment and as a provider of nutrients for plants. Therefore, selecting the right dose of organic fertilizer is very important to improve soil quality and support the growth of tomato plants. The purpose of this study was to obtain the best dose of cow manure and various planting media for the growth and yield of tomato plants. This study used a completely randomized design (CRD) with 2 factors. The first factor is the planting medium (M) which is PMK soil (M1) and sandy black soil (M2). The second factor is the dose of cow manure (D) which consists of 500 g/plant (D1), 1000 g/plant (D2), 1500 g/plant (D3) and 2000 g/plant (D4). The observation data were analyzed statistically by analysis of variance (F test). If the calculated F > F table 5%, then the difference between treatments was tested with Duncan's New Multiple Range Test (DNMRT) at a significance level of 5%. The results showed that the application of cow manure with a dose of 2000 g/plant had a significant effect on observations of plant height, number of fruits and fruit weight. The sandy black soil medium had a significant effect on observations of root length, root volume, number of fruits and fruit weight.
Efektivitas Rumpon Sebagai Struktur Habitat Dalam Menekan Kanibalisme Pada Benih Ikan Baung (Mystus nemurus) Di Kolam Bulat Sri Murtini; Kadek Adi Suwandana; Neksidin; Selviana Anggraini; Mahadi Suroso
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 24 No 1 (2026): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v24i1.5456

Abstract

This study investigated the effectiveness of artificial shelter structures (rumpon) in reducing cannibalism and improving the survival rate of baung fish (Mystus nemurus) fry cultured in circular ponds. Cannibalism is one of the major constraints in baung fish hatchery production because it significantly decreases fry survival and productivity. A Completely Randomized Design (CRD) consisting of four treatments, namely control (without rumpon), full rumpon, ¾ rumpon, and ½ rumpon, with three replications for each treatment was applied. Parameters observed included survival rate and water quality (temperature, pH, and dissolved oxygen). Data were analyzed using analysis of variance (ANOVA), while water quality parameters were analyzed descriptively. The results showed that the full rumpon treatment produced the highest survival rate (56%), followed by ½ rumpon (50%), ¾ rumpon (45%), and control (13%). The presence of rumpon increased habitat complexity, reduced direct interactions among fry, minimized cannibalistic behavior, and consequently improved survival. This study demonstrates that coconut leaf rumpon can serve as a simple, environmentally friendly, and low-cost habitat modification technology to enhance baung fish hatchery performance.