Journal Galung Tropika

Pengaruh Curah Hujan Terhadap Hasil Tangkapan Gurita (Octopus cyanea) di Pulau Langkai dan Lanjukang

2023-12-23T19:57:50+07:00

The existence of great potential is not supported by data and information regarding octopus catches and management. Catches in public waters are dynamic because they are influenced by various factors, especially season and rainfall. This research aims to determine the octopus catches on Langkai and Lanjukang Islands and how the season influences the octopus catches. The method used is the direct survey method, through interviews and distributing questionnaires to fishermen and collectors, with sample determination using the purposeful sampling method. Meanwhile, rainfall data was obtained from the Makassar City BMKG station. Catch data were analyzed using the SPSS t-test, while correlation analysis was used to determine the relationship between rainfall and catch. The research results show that the production of octopus catches on Langkai and Lanjukang Islands during the year, from October 2021 to September 2022, fluctuates. For catches based on season, in the rainy season, it is 8,428 kg, while in the dry season, it is 4,271 kg. The results of the analysis showed that there was a significant difference in octopus catch production in the rainy season and the dry season (p = 0.01). The correlation analysis of rainfall and catch results shows a reasonably strong correlation (0.55).

Faktor - Faktor yang Mempengaruhi Produktivitas Usaha Budidaya Udang Vaname (Litopenaeus vannamei) Di Kabupaten Pangkep

2023-02-02T12:29:47+07:00

Vaname shrimp (Litopenaeus vannamei), one of the leading commodities in the fisheries sector in Pangkep district. Vaname shrimp cultivation is done traditionally and intensively. Vannamei shrimp production and productivity fluctuated. Production inputs influence these fluctuations. This research is to analyse the level of production and the factors that affect the productivity of vaname shrimp farming in Pangkep district. Determining of the respondent is this research is done by purposive. The method is descriptive analysis and Cobb-Douglas production function or double log regression. The study research shows that the average production of Vaname shrimp farming in Pangkep district was 3,553.06 kg/cycle, productivity was 1,724.96 kg/ha/cycle with a middle land area of 1.58 ha. Productivity of Vaname shrimp positive influenced by variable of land area, seeds, fertilizer of urea, fertilizer of phonska, feed and labour.

Pengelolaan Perkebunan Berkelanjutan yang Berkearifan Lokal di Lahan Basah

2024-08-05T20:52:08+07:00

Wetlands are essential in economic and ecological systems, especially in tropical regions. Economically, this land has the potential to be used for agriculture, fishery plantations, and animal husbandry. Ecologically, wetlands are ecosystems that are rich in biodiversity and function as carbon sinks, natural water filters, and providers of natural resources for surrounding communities. The management approach must involve not only modern technology but also local wisdom to realize sustainable plantations in wetlands. Local practices in wetland management that support sustainable plantations include local knowledge in choosing adaptive commodities, fire prevention, agroforestry systems, togetherness in society, rituals, traditions and community beliefs, cooperation in communities, and customary law. The wisdom values contained in this practice include respect for the environment, collaboration within the community, preservation of heritage and culture, adaptability and resistance to change, spiritual values, and respect for ancestors.

Transportasi Benih Ikan Nila (Oreochromis niloticus) Dengan Menggunakan Bahan Alami Ekstrak Lempuyang (Zingiber zerumbet)

2024-05-25T21:16:51+07:00

Using natural anesthetic materials to transport tilapia fry is crucial for finding sustainable alternatives to commonly used chemicals. This study aims to demonstrate the effectiveness of lempuyang extract (Zingiber zerumbet) in transporting tilapia fry by increasing density and transportation duration while ensuring the well-being of the fry, as indicated by the survival rate. The study results suggest that Z. zerumbet can safely transport tilapia fry at a density of up to 145 fish/L, maintaining stable glucose levels and normal hematocrit. The survival rates remained consistently high at 99-100% with no significant differences. In conclusion, the study suggests that using Z. zerumbet at 5 mL/L in the transportation medium can support a density of 145 fish/L for up to 15 hours, making it an effective natural anesthetic for transporting fish fry.

Pengembangan Potensi Lokal Ikan Tuna Sirip Kuning (Thunnus albacares) Menjadi Cemilan Sehat untuk Mencegah Stunting di Kota Sorong, Papua Barat Daya

2024-04-03T11:21:22+07:00

Based on the results of the Indonesian Nutrition Status Survey (INSS), the prevalence of stunting in West Papua was recorded at 26,02% in the previous year, increasing to 30.00% in 2022. Currently, most children pay less attention to the food type and more often consume unhealthy snacks. This research aims to develop the product of yellowfin tuna fish sticks to meet the nutritional balance of children and prevent stunting. The treatment in this research was adding yellowfin tuna sih meal with the formulation of wheat flour, tapioca flour, and fish flour, namely 100 g: 100 g: 75 g, which was used in making stick products. Testing of yellowfin tuna fish sticks includes hedonic and nutritional content tests. Based on the results of the hedonic test, which includes the parameters of appearance, smell, taste, and texture, yellowfin tuna fish sticks obtained a score that meets SNI standards, namely 7 (seven) for each criterion. Testing the nutritional content shows that yellowfin tuna sih sticks have a water content of 5,11%, protein of 24,11%, fat of 26,28%, fiber of 0,65%, ash of 3,91%, and carbohydrates of 39,91%, according to product specifications.

Efektifitas MA-11 dalam Meningkatkan Kecernaan Daun Kelapa Sawit Sebagai Pakan Ternak Alternatif

2024-11-13T20:04:42+07:00

This study was conducted to determine the digestibility of Crude Protein (KcPK) and the digestibility of Crude Fiber (KcSK) of fermented oil palm leaves MA-11 with different incubation time treatments, namely 0 days, 3 days, 6 days, and 9 days. The observation data were processed using analysis of variance (ANOVA) from a Completely Randomized Design (CRD) and a follow-up test of Duncan's Multiple Range Test (DMRT). The study was arranged with four-way repetitions, namely T0: fermented oil palm leaves MA-11 for 0 days, T1: fermented oil palm leaves MA-11 for 3 days, T2: fermented oil palm leaves MA-11 for 6 days, and T3: fermented oil palm leaves MA-11 for 9 days. The results showed that the highest digestibility of crude protein in fermented oil palm leaves MA-11 was at T3, 58.11%, and the lowest at T0, namely 19.48%. The highest digestibility of crude fiber from MA-11 fermented oil palm leaves was found in T3 at 67.08% and the lowest at T0 at 57.54%. Fermented oil palm leaves using 6 ml of MA-11 and incubated for 0 days, 3 days, 6 days, and 9 days significantly increased crude protein and fiber levels on the longest day.

Analisis Erosi Tanah Akibat Alih Fungsi Lahan Hutan di Sub DAS Krueng Meuh Aceh

2024-11-19T14:56:36+07:00

Erosion is the main problem that causes land degradation. Erosion causes many problems, such as reduced soil fertility and shallowing of reservoirs, loss of soil nutrients, environmental ecological damage, and decreased agricultural productivity. The Krueng Peusangan watershed has experienced land degradation through flooding, causing erosion. The flooding problem that occurs every year in the Krueng Peusangan watershed, especially in the Krueng Meuh sub-watershed, as a result of the conversion of forest land, impacts the community and the environment. The research aims to map the distribution of erosion areas in the Kreung Meuh Sub-watershed. The research method uses RUSLE spatial analysis. RUSLE analysis uses data on rain erosivity, soil erosivity, slope length, slope, and land use and conservation measures. The research results show that the Krueng Meuh sub-watershed has experienced erosion in light, medium, and heavy categories. Erosion is currently dominating the Krueng Meuh sub-watershed area, which has an area of 4,762.34 ha. Heavy erosion occurred on slopes >15% with an area of 1,675.27 ha. Meanwhile, very light erosion occurs on slopes <8% (flat) with forest land use with an area of 4,224.01 ha and 1,585.48 ha.

Analisis Produktivitas Budidaya Tambak Ikan Bandeng Berdasarkan Karakteristik Sosial Ekonomi Pembudidaya di Desa Cangkring, Indramayu

2024-06-30T16:41:02+07:00

The study was conducted in Cangkring Village, Cantigi District, Indramayu Regency, with respondents who were milkfish farming farmers. The purpose of this study was to analyze the level of productivity of milkfish farming businesses and the relationship between farmers' socio-economic characteristics and productivity. Data was collected using the purposive sampling method and analyzed using quantitative descriptive analysis. The calculation of data analysis used was productivity analysis based on costs and land area and the Pearson product-moment correlation test using SPSS. The results of the productivity analysis per unit area of ??stocking density were 6,602.7 fish/ha/year; for production, the value was 3.31 tons/ha/year, while based on costs, it was Rp—11,407,556.4/ton/year. The results of the Pearson product-moment correlation test analysis of the experience variable had a fragile relationship with productivity, and there was no significant relationship. The analysis results of the variables age, education level, and land area each had a weak relationship with productivity, and only the land area variable had a significant relationship. The analysis results of the stocking density variable had a moderate relationship with productivity, and there was a significant relationship. The analysis results of the variables of business capital and income each have a solid relationship to productivity, and both variables have a significant relationship. The R/C ratio obtained a value of 2.01. It shows that milkfish farming in Cangkring Village has advantages, so it is feasible to run.

Karakteristik Usahatani dan Tingkat Literasi Keuangan Petani Swadaya di Desa Belangin Kecamatan Kapuas Kabupaten Sanggau

2024-09-15T23:44:49+07:00

Financial literacy helps independent smallholders make better financial decisions, while individual characteristics such as age, education, and experience affect financial literacy, which can improve the economic welfare of independent smallholders. Therefore, this study aimed to analyze the relationship between farming characteristics and the level of financial literacy in independent oil palm farmers. This study used a quantitative descriptive method. Primary and secondary data sources were analyzed using the Spearman rank test. The analysis results showed that education and land area had a significant positive relationship with the financial literacy of independent oil palm farmers, while age and farming experience had a significant negative relationship. Gender and number of dependents showed a weak and insignificant relationship. Education and larger land area tended to increase financial literacy, while age and experience did the opposite.

Deskripsi dan Karakteristik Morfometri Kambing Peranakan Etawa yang Terintegrasi dengan Tanaman Lada

2024-02-27T11:31:37+07:00

The integration system for Peranakan Ettawa (PE) goat livestock and pepper plants is one model for developing PE goat cultivation to increase agricultural businesses' efficiency and productivity. The research aims to determine the description of breeder characteristics in implementing the integration of PE goats and pepper plants, grazing capacity, and morphometric measurements on the bodies of PE goats in Bengkayang Regency. The research was conducted in the Selebar sub-district of Bengkayang Regency using survey and interview methods. The breeders were determined purposively using the criteria that the livestock group would still run an integrated PE goat farming business with pepper plants. Analyze breeder characteristics and morphometric data descriptively to determine the relationship between the grazing capacity of PE-integrated goats with pepper plants and livestock units (ST) calculated using linear regression. The research results describe PE goat breeders who are integrated with pepper plants based on age at the productive age of 41-50 years and experience in raising PE goats for 11-20 years. The grazing capacity of PE goat breeders is 32.71 Kg with an R2 of 94.93%. The morphometry of male and female PE goats aged around two integrated with pepper plants in Selebar District is not much different from SNI 7352.1, so it is still good for improving their performance.

Tingkat Keberhasilan Usaha Penggilingan Gabah di Kabupaten Sidrap yang Dipengaruhi oleh Pengaruh Pengetahuan Kewirausahaan

2024-09-25T20:00:50+07:00

Sidrap Regency is a rice production center in South Sulawesi. The abundant rice production impacts the increase in the rice milling industry and the community's economic growth. Government policy aims to protect farmers by maintaining high rice prices, but on the other hand, it must protect farmers by maintaining high rice prices. On the other hand, it must protect consumers by lowering rice prices. Entrepreneurial knowledge is an important variable in studying its influence on business success. This study aims to describe the entrepreneurial knowledge of rice milling managers in Sidrap Regency, describe the level of success of rice milling businesses, and analyze the effect of entrepreneurial knowledge on the success of rice milling businesses. The survey was conducted using the saturated sampling method on 32 rice milling business units. Quantitative descriptive and multiple regression analyses were used to test the research hypothesis. The results showed that entrepreneurial knowledge scored 1,065, meaning that rice milling business managers have knowledge of business, roles, responsibilities, personality, self-ability, management, and organization. In addition, the level of success of rice milling businesses scored 403, including the flourishing category. It showed increased sales volume, business profits, and labor utilization. The entrepreneurial knowledge variable also has a significant and positive influence on the success of the rice milling business.

Respons Pertumbuhan Bibit Kelapa Sawit pada Media Tanam Kompos Limbah Organik Perkebunan

2024-08-23T09:24:58+07:00

The underutilization of oil palm midrib and fruit fiber, which are abundant in oil palm plantations and the manufacturing field, encourages them to be converted into more valuable products. The goals of this experiment were to create planting media out of oil palm midrib and fiber, as well as to find the best compost formulation of oil palm midrib (MR) and fiber (FF) for seedlings in prenursery. The treatments were arranged in a non-factorial completed randomized design, with 15 treatments. The treatments are : P0 (100% top soil), P1 (50% MR + 50% CW + Activator 1), P2 (50% MR + 50% CW + Activator II), P3 (50% MR + 50% CW + POME); P4 (100% MR + Activator II); P5 (100% MR + LCPKS), M1 (50% FF : 50% CW + Activator 1); M2 (50% FF : 50% CW + Activator II); M3 (50% FF : 50% CW + POME); M4 (100% FF + Activator II); M5 (100% FF + POME), PM1 (50% MR-FF + 50% CW + Activator I); PM2 (MR-FF + 50% CW + POME); PM4 (100% MR-FF + Activator II); PM5 (100% MR-FF + POME). The results showed that oil palm midrib and fiber composting media significantly affected morphological responses of oil palm seed growth (plant height, stem diameter and leaf area seedlings), and physiological responses of oil palm seed growth (biomass and stomata conductance). These results could be promoted as a new challenge to formulating the lignocellulose-based planting media.

Keragaan Kapas Bronesia 1 dan Seleksi Beberapa Jenis Pupuk Berdasarkan Karakter Agronomi

2024-11-06T09:56:03+07:00

Indonesia is the sixth largest cotton importer and the ninth largest cotton user in the world. Therefore, efforts are needed to form new superior varieties, starting with determining the performance of cotton as a candidate for the formation of new superior varieties.This research aims to obtain cotton seeds for seed multiplication the following year, producing good brown cotton performance based on agronomic characteristics and the best type of organic fertilizer in increasing the growth of cotton plants. This study was conducted at the KP. Faculty of Agriculture, Animal Husbandry, and Fisheries, Muhammadiyah University of Parepare from June to October 2023. This study used a randomized block design with five repetitions. The treatments used were 4 types of fertilizers, namely chemical fertilizers, cocoa shell waste compost, goat manure compost, and Eco Glasum organic fertilizer. Thus, there were 20 experimental units. The observation parameters observed and measured were plant height (cm), number of leaves (strands), number of generative branches, pollen phenotype and cotton stomata, and age of flower blooming (DAP). Observation data were processed using the SAS 9.0 and Minitab 14 applications. The results showed that agronomic characters were not significantly different except for the number of leaves. The type of eco glasum fertilizer showed the best performance for the characters of plant height, leaf greenness, number of flowers, number of flowers blooming. Direct selection using scatterplot shows the best eco glasum fertilizer on the character relationship between the number of flowers vs. leaf greenness (R = 0.049 + 2.305X) and the number of flowers vs. plant height (R = 1.427 + 36.57X). Eco Glasum is a modification of solid fertilizer consisting of three types of seaweed, namelyEucheuma cottoni, Glacilaria sp., Sargasum sp. and modified by the addition of natural ZPT (Plant Growth Regulators) which are then fermented.

Peran Modal Sosial terhadap Keberlanjutan Pembudidayaan Rumput Laut Menghadapi Perubahan Iklim

2024-05-04T20:29:07+07:00

Climate change is a natural phenomenon that poses a risk of vulnerability in the sustainability of seaweed cultivation because it can reduce production and income. Therefore, a sustainability strategy is needed, as well as the role of social capital, which is the most important element in carrying out cultivation because it is a means to build communication and cooperation in overcoming obstacles from climate change. Social capital is an element that supports internal and external factors. The study's objectives are: (1). The role of social capital in the sustainability of seaweed cultivation (2)—the existence of a sustainability strategy in dealing with climate change. Therefore, the study was conducted by taking the location of the seaweed center in South Sulawesi in Laikang Village, Manggarabombang District, Takalar Regency, by taking 20 informants from the seaweed farming community, extension workers, village government, and the Fisheries and Marine Service. It was done by conducting observation actions and in-depth interviews with the FGD (forum discussion group) mechanism and documentation. Data analysis was carried out descriptively and qualitatively using a Likert scale. The sustainability strategy was compiled with a SWOT analysis by including internal and external factors in the seaweed business involving the farming community and supporting institutions. The study results showed that social capital was built to improve communication and strengthen networks (bonding and bridging). It was based on the norm of getting out of the shocks that arise in seaweed cultivation due to climate change. The strategy that can be applied from the SWOT analysis, namely the existence of partnerships that must be built so that seaweed businesses can be sustainable in facing shocks from climate change by involving local governments, educational research institutions, the Department of Fisheries and Marine Affairs, seaweed farmers, with strengthening financial institutions and markets.

Respon Cabai Rawit (Capsicum frutescens L.) Terhadap Pupuk Organik Cair Berbahan Lindi pada Lahan Marginal

2024-04-05T12:03:22+07:00

Coastal land is identical to marginal land, namely having a low soil fertility level. Liquid organic fertilizer (LOF) made from leachate can be used to increase the availability of nutrients in the soil. This study focuses on increasing the growth and yield of cayenne pepper plants on marginal land using various doses of liquid organik fertilizer made from leachate. This study was conducted from May to September 2023. The treatment was the provision of LOF consisting of 4, namely without LOF, 20%, 40%, and 60%. The results of the study showed that the liquid organic fertilizer treatment was able to increase nutrients in the soil. Treatment without liquid organic fertilizer and 60% liquid organik fertilizer significantly affected plant height. Meanwhile, the treatment without liquid organic fertilizer and 20% liquid organic fertilizer was significant for stem diameter, number of fruits, and fruit weight of cayenne pepper plants. The 20% liquid organik fertilizer treatment is recommended to increase the growth and yield of cayenne pepper plants.

Kualitas Pupuk Organik Cair dengan Penambahan Bioaktivator Limbah Buah Mengkudu pada Waktu Fermentasi yang Berbeda

2023-11-25T05:15:43+07:00

This research aims to obtain quality liquid organic fertilizer (LOF) by using cattle urine and noni-fruit waste as raw materials for LOF at optimal fermentation times. This research used a Completely Randomized Design (CRD) with 4 treatment levels and 3 replications with sampling times based on different time variations, namely 7 days, 14 days, 21 days, and 28 days. This research shows that treatments with different fermentation times did not significantly affect the quality of liquid organic fertilizer, especially the Nitrogen (N) and Phosphorus (P) content. However, there was a tendency to increase the N and P content. The highest average N content was in the Fermentation treatment. For 3 weeks, namely 1.34%, and the highest average P content in the Fermentation treatment for 4 weeks, namely 0.44%. Meanwhile, the average potassium (K) content significantly differed in the 4-week fermentation treatment, namely 0.43%. Overall, the best N, P, and K content for all observed parameters was POC fermentation for 4 weeks (fermentation day 28).

Pengaruh Dedak Padi Terfermentasi Menggunakan Fermentor Berbeda dalam Pakan Ikan Nila

2024-05-15T12:27:45+07:00

One way to increase tilapia aquaculture production is to produce feed. Materials are easy to obtain, do not compete with the community and are cheap wrongthe other is rice bran. This study aims to determine the effect of fermented rice bran flour using various types of fermenters on the growth performanceand feed utilization efficiency of tilapia. This research was conducted inSidenreng Rappang Regency. The test animals used were tilapia larvae measuring ± 1.05 g. The maintenance container is a tarpaulin pond with a size of 1 m x 1 m x 1 m filled with 85 L of fresh water. The study was designed using a completely randomized design consisting of four treatmentsand three replications, thus there were 12 experimental units. The treatment was determined based on the fermenter used for fermenting rice bran flour, namely Bacillus sp., Lactobacillus sp., Aspergillus nigers and Yeast.The test feed was given to tilapia larvae whichwere stocked with 20 fish per container for 60 days of rearing. The data on specific growth rate and feed efficiency of tilapia were analyzed using analysis of variance (ANOVA) and water quality was analyzed descriptively based on the viability of tilapia.The results showed that tilapia fed fermented rice bran feed using Aspergillus nigers fermenter a significant effect on the specific growth rate and feed efficiency of tilapia. The optimal fermenter for hydrolyzing rice bran flour is using Aspergillus nigers.

Respon Imun Ikan Nila Salin (Oreochromis Niloticus) Terhadap Pakan yang Diperkaya dengan Probiotik Bacillus Subtilis

2024-05-20T12:45:53+07:00

Tilapia is a widely favored type of fish because it has thick meat and a delicious taste. The use of probiotics in tilapia maintenance can increase immunity from disease attacks through the addition of probiotics can increase the nutritional content of feed protein and maintain the balance of digestive tract microbes. The study aims to provide feed enriched with Bacillus subtilis probiotics to see parameters in the form of immune responses through blood pictures in tilapia, survival rates, and daily growth rate values. Tilapia seeds (5-7cm) were maintained in maintenance tanks with 5 treatments and 3 repetitions in the form of treatment without additional B. subtilis, addition of B. subtilis 10³ CFU / mL, addition of B. subtilis 105 CFU / mL, addition of B. subtilis 107 CFU / mL, and treatment with the addition of B. subtilis 109 CFU / mL. The results obtained showed that the addition of B. subtilis probiotics to saline tilapia fish feed with a concentration of 107 CFU/mL could increase the number of erythrocytes and was able to increase the survival value, as well as the daily growth rate of saline tilapia fish (O. niloticus) significantly. However, they did not affect the number of fish leukocytes during maintenance.