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JURNAL GALUNG TROPIKA
ISSN : 23024178     EISSN : 24076279     DOI : -
Core Subject : Agriculture,
Jurnal Galung Tropika dengan nomor p-ISSN 2302-4178 (cetak) dan e-ISSN 2407-6279 (online) adalah jurnal ilmiah yang menerbitkan hasil penelitian di bidang Pertanian, Peternakan, Perikanan, dan Biologi Tanaman. Serta menyajikan informasi hasil penelitian dan artikel ilmiah untuk pembangunan pertanian berkelanjutan di Indonesia yang dipublikasikan secara elektronik dan cetak.
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Articles 435 Documents
Perilaku Keuangan dan Kinerja Usahatani Sayuran di Kota Pontianak Gabriella Dale Apriyani; Dewi Kurniati; Josua Parulian Hutajulu
JURNAL GALUNG TROPIKA Vol 11 No 2 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i2.1008

Abstract

As farm managers, farmers must apply financial behavior to ensure that their farms achieve good agricultural performance. Farmers in the city of Pontianak mainly grow horticultural products, especially vegetables. Therefore, the aims of this research are to determine the financial behavior level and vegetable cultivation performance level of farmers in Pontianak City, farmers' financial behavior affects the performance of vegetable farming in Pontianak City, and formulate efforts to improve the financial behavior of vegetable farmers. This study was conducted in the North Pontianak area of Pontianak City, West Kalimantan, with 90 farmers as respondents. Data were analyzed using descriptive, SEM-PLS with SmartPLS 3.0 tools and qualitative. According to data analysis, the financial behavior of vegetable growers in North Pontianak is classified as poor, and vegetable cultivation in North Pontianak is classified as poor. Additionally, the financial behavior of vegetable farmers in the North Pontianak region has a positive and significant impact on agricultural performance. Pontianak City A formalized effort to improve the financial behavior of vegetable farmers in the North Pontianak District is to provide socialization, training, mentoring, and strengthening with regard to financial reporting, particularly good financial management for growing vegetables.
Analisis Break Even Point Dan Faktor Yang Mempengaruhi Usaha Tahu Pada Masa Pandemi Covid-19 Di Kecamatan Tolangohula Kabupaten Gorontalo Harija K. Mahalipa; Ria Indriani; Larasati Sukmadewi Wibowo; Supriyo Imran
JURNAL GALUNG TROPIKA Vol 11 No 2 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i2.1033

Abstract

This study aims to determine the break-even point and analyze the factors influencing tofu business income in Tolangohula District, Gorontalo Regency. This research approach uses quantitative methods. Methods of data collection using questionnaires/questionnaires and interview techniques. The results showed that the quantity in tofu production before the Covid-19 pandemic, when the break-even point began with the production BEP, acceptance BEP and price BEP were 34 boards, Rp. 1,187,552/month and Rp. 20,611/board. During the Covid-19 pandemic, when the production BEP break-even point, revenue BEP, and price BEP were 56 boards, Rp. 2,267,145/month and Rp. 31,518/board. Factors affecting the tofu business in Tolangohula District, Gorontalo Regency, have been tested simultaneously: labor, the selling price of tofu, production costs, and soybean production to income.
ANTAGONISME DAN POTENSI ISOLAT CENDAWAN ENDOFIT ASAL RIZOSFER TANAMAN BAWANG MERAH TERHADAP PATOGEN Alternaria porri R Ratnawati; Kasman Jaya; I Idris; Sri Sudewi; Mar’atus Fitra
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.860

Abstract

Using biological agents can suppress Pesticides in controlling purple spot disease caused by Alternaria porri in shallots. Antagonistic microorganisms as biological agents of can be obtained from shallot rhizosphere. This study aimed to determine the endophytic fungi from the rhizosphere. It were antagonistic to the pathogen Alternaria porri (Ell.Cif.) on shallots. This research was started by isolating the fungus by growing it on Potato Dextrose (PDA) media, and continued with purification, then identified microscopically. The identification results revealed the type of fungus in the shallot rhizosphere, namely Trichoderma sp. mf 1, Trichoderma sp mf 2, Fusarium sp mf 1, Fusarium mf 2, and Penicillium sp. each successively has the ability of inhibition against A. porri are 78.75%, 77.35%, 85.71%, 68.22%, and 67.60%. The isolates could suppress the growth of A.porri isolates and cause antagonistic mechanisms such as competition, antibiosis, and parasitism.
PERTUMBUHAN DAN PRODUKSI PADA TUMPANGSARI RUMPUT GAJAH ODOT-KEDELAI DENGAN BERBAGAI JARAK DAN WAKTU TANAM Jon Andri Efendi Tumanggor; S Sutarno; Didik Wisnu Widjajanto
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.932

Abstract

Diversification is one solution to increase crop yields. The intercropping system is an example of agricultural diversification. The aim of this study is to determine the effect of various elephant grass cv. odot planting distances and various soybean planting times on the growth and production of elephant grass cv. odot and soybean in an intercropping system. The research was conducted from September 2020 - February 2021 in Kalongan Village, East Ungaran Sub-district, Semarang District, Central Java Province. The 2 × 4 factorial experiment with randomized block design and 3 repeats were used in this study. The first factor is planting distances of elephant grass cv. odot (J) which are 60 × 90 cm (J1) and 45 × 90 cm (J2). The second factor is soybean planting times (T), which were 26, 19, 12, and 5 days before trimming of elephant grass cv. odot for T1, T2, T3 and T4. The parameters observed for elephant grass cv. odot were height, the number of tillers and production, while for soybean were height, the number of leaves and productivity. The data obtained were processed using Analysis of variance (ANOVA) and then the parameters that had a significant effect were tested with Duncan's Multiple Range Test (DMRT) at a 5% level. Treatment of planting distances and planting times did not significantly affect the growth of elephant grass cv. odot, soybean growth, and productivity of elephant grass cv. odot. Planting distances treatment did significantly affect soybean productivity. The combination treatment of 60 × 90 cm planting distance on elephant grass cv. Odot and 26 days before trimming of elephant grass cv. odot on soybean planting time is the best result for intercropping of elephant grass cv. odot and soybean.
KOMPOSISI HASIL TANGKAPAN SODO’ (SCOOP NET) PADA MALAM DAN DINI HARI DI KECAMATAN MALLUSETASI KABUPATEN BARRU H Hasmawati; Muhammad Aras; U Usman; Muhammad Sulaiman; I Ilyas
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.961

Abstract

District, Barru Regency, use a scoop (scoop net), or in local terms, it is known as Sodo', making it their main fishing tool using light aids. The purpose of this study was to determine the composition of the catch of sodo' (scoop net) operated in Mallusetasi District, Barru Regency. Data collection was carried out in May – September 2021. The method used in this study was a survey method with observation, interviews, and documentation. Data collection was carried out with seven repetitions (7 trips) of operation, namely 7 times at night and 7 times in the early morning. The data collected was then analyzed descriptively. The results showed that the composition of the catch obtained at night was dominated by one to two types of fish caught: anchovies and reborn shrimp. While the fishing operations in the early hours varied in terms of type and size, consisting of anchovies, tembang fish, mackerel, tuna, flying fish, and pepetek.
Identifikasi Cendawan Rhizosfer Tanaman Jagung (Zea Mays L.) dan Uji Efektivitas Media Perbanyakan Trichoderma sp. Bibiana Rini Widiati; Andi Herwati; S Sofyan
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.1000

Abstract

Utilization of local microorganisms is important to utilize the potential of the area by utilizing tea waste as a mixture of new alternative culture media for the propagation of Trichoderma sp. The aim of this study was to identify locally specific rhizosphere fungi and determine the appropriate media mix for the propagation of Trichoderma sp. The research consisted of 2 stages. The first stage used a descriptive-exploratory method by taking random soil samples in Kab. Pangkep, Maros, and Gowa on the rhizosphere of maize cultivation. The second stage used a factorial design in RAL (Completely Randomized Design) which consisted of two treatment factors, namely: Factor I. Administration of the fungus Trichoderma sp. (C), c1 = Trichoderma sp. from Pangkep, c2 = Trichoderma sp. from Goa. While factor II is the growing medium (M), m1 = 200 g rice, m2 = 150 g rice + 50 g tea waste, m3 = 100 g rice + 100 g tea waste, m4 = 50 g rice + 150 g tea waste, m5 = tea dregs 200 g, There were 10 treatment combinations, each treatment combination was repeated 3 times so that there were 30 experimental units in total. The results of the study showed that 8 fungi isolates were obtained from the rhizosphere fungi from corn from Pangkep, Maros, and Gowa. Fungus isolates from Pangkep Regency 3 isolates (Trichoderma sp, black Aspergillus sp, green Aspergillus sp), Maros Regency 2 isolates (black Aspergillus sp, Verticellium sp), and Gowa Regency 3 isolates (Trichoderma sp, green Aspergillus sp, Verticellium sp ). The medium of 150 g of rice + 50 g of tea dregs is the best medium for the multiplication of Trichoderma sp. resulting in a higher width, length, and density of conidia than other treatments.
Performa Kesehatan Ikan Nila Salin (Oreochromis niloticus) Terhadap Pakan Sinbiotik Bacillus subtilis yang Diuji Tantang dengan Aeromonas hydrophila R Rahmi; Andi Ninnong Renita Relatami; A Akmal; Bunga Rante Tampangallo; Iman Sudrajat; Nur Insana Salam; Andi Chadijah; Fitri Indah Yani
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.1005

Abstract

This study aims to determine the health of saline tilapia (Oreochromis niloticus) on feeding containing synbiotics, namely probiotic bacteria Bacillus subtilis and 1% banana flour prebiotic against pathogenic infections by looking at parameters such as blood picture and phagocytic activity. This study consisted of 4 treatments and three replications, namely artificial feed treatment without the addition of B. subtilis, artificial feed with the addition of B. subtilis 105CFU/mL, artificial feed with the addition of B. subtilis 107CFU/mL, and artificial feed with the addition of B. subtilis 109CFU/mL with the number of samples used as many as 20 tails/treatment. Parameters for observing blood picture (erythrocytes, leukocytes and hematocrit) and phagocytic activity. The number of erythrocytes treated with artificial feed with the addition of B. subtilis 107CFU/mL was 5.50x106cell/mm3, and the lowest was obtained in the treatment with the addition of B. subtilis 105CFU/mL, which was 3.5x106cell/mm3. The highest leukocytes were obtained in the treatment with the addition of bacteria B. subtilis 105CFU/mL, which was 2.71x104cell/mm3. The hematocrit value of saline tilapia was in the same range of 25.83%-56.56%. The results showed that the treatment with the addition of 1% banana flour prebiotic and a dose of 105CFU/mL of probiotic B. subtilis in the feed was able to increase the immune system response of the saline tilapia.
Performans Ayam Broiler Dengan Penambahan Kefir Sebagai Probiotik Fanani, Anhar Faisal; Fajrih, Nurul; Anjani, Fandini Meilia; Ardiansyah, A; Qulubi, M. Hadziq
Jurnal Galung Tropika Vol 12 No 1 (2023)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v12i1.1012

Abstract

Kefir is a fermented milk product made by inoculating milk with kefir grains, a combination of bacteria and yeast. These microorganisms will play a role in the fermentation of lactic acid and alcohol, which can provide a therapeutic effect. The presence of probiotics in feed can increase enzymatic and digestive activity. As a natural probiotic, Kefir contains various strains of bacteria and yeast that can be used as a substitute for antibiotics that are limited in their use nowadays. The effectiveness of kefir as a probiotic was studied on the production, feed efficiency, and relative weight of the digestive tract in broiler chickens. This study used DOC broiler strain MB 202 with as many as 200 unsexing using a completely random design with four treatments and five replicates for five weeks. Treatment consisted of T0 = basal ration (control), T1 = basal ration + 1.5% probiotic kefir, T2 = basal ration + 3% probiotic kefir, T3 = basal ration+ 4.5% probiotic kefir. The kefir used comes from goat's milk which was given as much as 10% grain kefir fermented for 48 hours. The ANOVA resulted from a real difference (P<0.05) in performance for each treatment compared to the control. At the same time, the intestinal weight parameters of the digestive tract did not show a real difference (P>0.05). The addition of 4.5% probiotic kefir showed the best results on four performance parameters, including consumption, weight gain, and feed conversion ratio, which is also supported by the highest carcass yield compared to other treatments.
KAJIAN SIFAT FISIKA KIMIA TANAH INCEPTISOL DI BERBAGAI KELERENGAN DAN KEDALAMAN TANAH PADA AREAL PERTANAMAN KAKAO Ida Suryani; Juni Astuti; Nurul Muchlisah
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.1014

Abstract

This study aims to examine some of the physical and chemical characteristics of the inceptisol soil on various slopes and soil depths in the cocoa planting area. The method used in this research is descriptive method by conducting surveys and taking soil samples based on land position, namely slopes of 3%, 15%, and 40% at depths of 0-25 cm and 25-50 cm, respectively. The results showed that the soil texture on all slopes and soil depths was clay texture. The percentage of clay in the upper layer (0-25 cm) was higher than that in the lower layer (25-50 cm) on the 3 and 40% slopes, while on the 15% slope the opposite occurred. The pH value of each slope and depth ranges from 4.52-5.35 with acid criteria. Bulk density on the slope of 3% and 40% on the top layer (0-25 cm) is lower than the bottom layer (25-50 cm), except for the 15% slope. The bulk density of the top and bottom layers is in the same range. Porosity and soil permeability decrease with the slope height both at the top soil depth (0-25 cm) and at the bottom depth (25-50 cm). Organic C, total N, available P and available K of each slope (3%, 15%, and 40%) decreased from the upper layer (0-25 cm) to the lower layer (25 50 cm).
Growth and Nickel Absorption of Green Mustard (Brassica rapa L.) on Nickel-Contaminated Soil Netty Syam
JURNAL GALUNG TROPIKA Vol 11 No 3 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i3.998

Abstract

The waste generated by the nickel mining business has the potential to reduce soil fertility, causing plants not to grow normally and produce optimally. In fact, due to the high Ni content in the soil, it will be absorbed by the plants so that it cannot be used as food. The study aimed to determine the growth and absorption of nickel in mustard greens by applying compost and liquid fertilizer to nickel-polluted soil. The study used a randomized block design (RAK) with liquid fertilizer (PC) and compost application. The treatment consisted of (1) control (no PC + no compost); (2) Without PC+ compost 15 tonnes/ha; (3) Without PC + compost 20 tonnes/ha; (4) Without PC+25 tons/ ha; (5) PC 10 ml/liter + No compost; (6) PC 10 ml/liter + compost 15 tons/ha; (7) PC 10 ml/liter + compost 20 tons/ha; (8) PC 10 ml/liter + compost 25 tons/ha, which was repeated 3 times and consisted of 3 plants in each treatment. Data were analyzed using ANOVA and further testing with BNJ Test 0.05. The results showed that mustard plants on nickel-contaminated soil could grow normally and without poisoning symptoms. The application of 4 liters/ha of liquid fertilizer and 25 tons/ha of compost produced a higher number of leaves and fresh weight of mustard plants and were significantly different from other treatments. Mustard plants can absorb and accumulate nickel in the roots and leaves in the range of 425-455 mg/kg plant dry weight. Using green mustard plants in remediating land contaminated with heavy metals, especially nickel, can be an alternative by adding compost and liquid fertilizer to increase the biomass of mustard plants. However, it still has to be appropriately monitored, and the plants produced are not recommended for consumption.