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Agricultural Science
Published by Universitas Merdeka Surabaya
ISSN : 25985167     EISSN : 25978713     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
AGRICULTURAL SCIENCE is a peer-reviewed, scientific journal published by Faculty of Agriculture Merdeka University Surabaya, ISSN 2597-8713 (Online) - 2598-5167 (Print). The aims of the journal are to publish and disseminate high quality, original research papers and article review in plant science i.e. agronomy, horticulture, plant breeding, soil sciences, plant protection, agricultural technology, agricultural agribusiness, agricultural economy and other related fields related to agriculture. AGRICULTURAL SCIENCE is published twice a year.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 146 Documents
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Differences In Raw Material Types On The Production Costs of Skin Crackers In Tengah Tani District Rezkika Desmalia; Akhmad Saroji; Faizal Rifaldi; Siti Wahana
Agricultural Science Vol. 9 No. 1 (2025): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i1.167

Abstract

Business actors often choose raw materials based on availability and price, without considering the total cost and overall product quality. This study aims to: (1) determine how the skin cracker production process for fresh, gareman and dried raw materials; (2) determine the contribution of raw material types to production process costs; and (3) determine the differences in raw material types on production costs. The hypothesis of this study is that there are suspected significant differences in the production costs of the skin cracker business based on the type of raw material used. The study was conducted in Tengah Tani District with purposive considerations with a research period from February to August 2025. The population of this study amounted to 16 business units, including 10 units using gareman raw materials, 3 units using fresh raw materials, and 3 units using dried raw materials. The research technique used a census technique so that the entire population was used as a sample and the data analysis technique used one-way ANOVA. The results of the study indicate that based on the selection of raw materials, more consideration is related to technical aspects. The largest contribution to raw material costs is garment raw materials. The total production costs based on differences in raw materials show differences with further analysis showing that production costsdrymuch lower than salted and fresh, but for salted and fresh, there was no statistically significant difference.
Improving Pakchoy (Brassica rapa L.) Growth and Yield in Stone Waste–Contaminated Soil Through Organic Amendments Ida Setya Wahyu, Atmaja; Riyan , Bagaskara; Hudhan Nur , Fath; Arief Yudistira , Wibawa
Agricultural Science Vol. 9 No. 1 (2025): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i1.168

Abstract

Rock flour (slurry), a by-product of the stone industry, contributes to soil degradation by causing soil compaction and reducing soil fertility. The sustainable strategies such as the application of organic amendments are needed to restore soil properties. The aim of this research to evaluate the effects of different organic amendments—rice husk biochar, straw compost, and goat manure—on the growth and yield of pakchoy (Brassica rapa L.) cultivated in stone waste–contaminated soil. This research used randomized block design with four treatments and five replications was employed: (P1) control (stone waste–contaminated soil without amendment), (P2) Stone waste–contaminated soil and husk biochar (1:1), (P3): Stone waste–contaminated soil and straw compost (1:1), and (P4): Stone waste–contaminated soil and goat manure (1;1). The results showed that goat manure significantly enhanced pakchoy growth parameters, including plant height, number of leaves, root volume, and plant weight. Goat manure promote the optimal plant growth through serve optimal planting media.
Factors That Influence Purchasing Decisions On Brazilian Grapes AT CV. Gentar Brazilian Grapes Teja Village, Rajagaluh Sub-District, Majalengka District Sri Muriyanti; Elisa Yulistiani; Evi Noviyanti; Siti Wahana; Dina Dwirayani
Agricultural Science Vol. 9 No. 1 (2025): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i1.169

Abstract

The purpose of this study was to analyze the factors that influence purchasing decisions for Brazil grapes at CV. Gentar Brazil Wine, Majalengka. A quantitative approach was used with a survey method of 100 respondents. The independent variables are price, product quality, promotion, and location, while the dependent variable is the purchase decision. Data analysis was carried out using multiple linear regression. The results showed that the four variables had a significant effect on purchasing decisions, with an R² value of 71.5%. Only product quality and location have a significant effect partially, while price and promotion do not. Product quality is the dominant factor influencing purchasing decisions, and strategic location. These results indicate the importance of improving product quality and distribution access in Brazil grape marketing strategies. This research can be expected to be a reference for the development of exotic horticultural agribusiness at the local level
Farmers' Satisfaction With The Government's Performance In Inpari Variety Rice Seed Assistance 32 (Case Study In Dukupuntang District, Cirebon Regency) Azhar mahfudh azzawari; Nanda Sukma Wijaya; Parhan; Siti Aisyah
Agricultural Science Vol. 9 No. 1 (2025): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i1.174

Abstract

This study analyzes the level of satisfaction of farmers who receive Inpari 32 variety rice seed assistance in Dukupuntang District, Cirebon Regency. The quantitative survey method with Importance Performance Analysis (IPA) was applied to 66 respondents. The data includes: demographic characteristics (age, education, land area, farming experience, membership), importance score and attribute performance (type, quality, quantity, time, process, mentoring), validity test, reliability, and science analysis. The results showed that the average importance score (Ȳ = 2.58) and performance (X̄ = 2.47) resulted in a 63.2% fit rate (medium category). The attributes of "Seed Type" are located in Quadrant I (improvement priority), "Quantity" and "Distribution Time" in Quadrant II (retained), while "Quality", "Process", and "Mentoring" are in Quadrant III (incremental improvement). These findings support strategic recommendations for the Agriculture Service and policymakers.
The Effect of Nitrogen Fertilizer Dosage on The Growth and Yield of Balsam (Impatiens balsamina L.) Tri Diana; Riski Nurfadillah; Helda Valentinadia; Siti Wahyuni
Agricultural Science Vol. 9 No. 1 (2025): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i1.175

Abstract

This study aims to determine the effect of various doses of nitrogen fertilizer on the growth and yield of impatiens (Impatiens balsamina L.). The study was conducted in Bandorasa Village, Cilimus District, Kuningan Regency, using a randomized block design (RBD) with seven treatments of nitrogen fertilizer doses, ranging from 1 g to 4 g of urea per polybag. The parameters observed included root length, plant height, number of leaves, leaf area, net assimilation rate, plant growth rate, chlorophyll content, number of flowers, fresh flower weight, and anthocyanin and carotenoid content. The results showed that nitrogen fertilizer application had a significant effect on several parameters, particularly plant height, number and area of leaves, plant growth rate, and number and weight of flowers. The 2.5 g/polybag dose treatment yielded the best results for most parameters, while excessively high doses tended to reduce growth and flowering efficiency. This study concluded that applying nitrogen fertilizer at the appropriate dose is crucial for optimizing the growth and yield of Impatiens balsamina L.
Response of Sansevieria trifasciata cuttings On the Soaking Time of Vigna radiata Sprouts Extract Irawati Utami, Inayah; Siti Wahyuni
Agricultural Science Vol. 9 No. 1 (2025): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i1.176

Abstract

This study aimed to determine the effect of soaking time of mung bean (Vigna radiata) sprout extract on the growth of snake plant (Sansevieria trifasciata) leaf cuttings. The study was conducted at the Faculty of Agriculture's screen house, UGJ Cirebon used a Completely Randomized Design (CRD) with five treatments of immersion duration (10, 20, 30, 40, and 50 minutes) each repeated five times. The parameters observed included root length, time to shoot emergence, number of shoots, leaf thickness, chlorophyll content, and plant growth rate. The analysis results showed that the immersion duration significantly affected root length, initial shoot emergence, and number of shoots, especially at 40 and 60 days after planting. The best treatment was obtained at 30 minutes of immersion which consistently produced the most optimal root and shoot growth. Meanwhile, there was no significant effect on leaf thickness, chlorophyll content, and plant growth rate in all treatments. The phytohormone content in mung bean sprout extract such as auxin, cytokinin, and gibberellin is thought to play a role in stimulating root and shoot growth in the early phase of snake plant cutting propagation. This study proves that natural PGR from mung bean sprouts has the potential as an environmentally friendly alternative in supporting the vegetative propagation of ornamental plants.
The Effect of Differences In Etefon Concentrations On The Level of Riteness And Quality of Melon (Cucumis Melo L.) Nugrah Fahera; Rismawati; Dodi Budirokhman
Agricultural Science Vol. 9 No. 1 (2025): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i1.177

Abstract

Melons (Cucumis melo L.) are a high-value horticultural commodity that faces challenges in terms of irregular ripening, especially in the Cirebon area and its surroundings. This study aims to evaluate the effect of different concentrations of the growth regulator ethephon on the acceleration of ripening and melon fruit quality. The study was conducted using a completely randomized design with six levels of ethephon concentration (0, 25 ml/L, 50 ml/L, 75 ml/L, 100 ml/L, and 125 ml/L) applied to post-harvest melons, and observations were made on days 2, 4, and 6 of storage. The parameters observed included weight loss, total soluble solids, vitamin C, chlorophyll, anthocyanin, and carotenoids. Meanwhile, the organoleptic test was conducted subjectively using human senses as the primary assessment tool. The results showed that the 75 mL/L concentration provided the best effect on ripening acceleration, as indicated by increased anthocyanin, chlorophyll degradation, and softer fruit texture, as well as high panelist preference. Although the 50 mL/L concentration showed the highest taste and total soluble solids, the optimal quality characteristics were found at 75 mL/L. It is recommended to use ethephon at a concentration of 75 mL/L to accelerate ripening while maintaining optimal melon fruit quality during storage.
The Role of Mangroves In Mitigation of Ecosystem Degradation Threats In Gunung Anyar city of Surabaya Ni Dewi Ambal Ikka
Agricultural Science Vol. 7 No. 1 (2023): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v7i1.182

Abstract

The coast of Surabaya City is dominated by mangrove forest ecosystems. The mangrove forest experiences a lot of shrinkage every year. The shrinkage that occurs in mangrove forests is not only caused by natural factors (abrasion and wind) but also due to logging activities by local communities. The degradation that occurs in mangrove forests is largely influenced by waves and tides. The existence of mangrove forests is thought to be very important for reducing the threat of degradation and can play a role in mitigating damage to existing ecosystems. The function of mangrove forests in mitigating the threat of degradation has encouraged a deeper study of mangrove forests which are thought to have a physical function as a barrier to ecosystem damage. The method used is a survey method with sampling using a transect line technique. The data collection technique in the field uses a transect line technique whose placement has been designed. The research results showed that three types were found, namely Avicennia marina, Rhizophora Apiculata, Ceriops candra. The tree level is calculated by the cover and density values ​​(trees/ha) to determine the standard criteria for determining mangrove forest damage. The cover level is very high with a final value of 99.61%. The results of the calculation of the density value (trees/ha) are above>150. amounting to 14,866.67, this shows that the density of trees in the Gunung Anyar mangrove forest is very high. Based on data from analysis of the Gunung Anyar mangrove forest, in general it has the ability to minimize degradation.
Corn Cob Compost An Environmentally Friendly Base Fertilizer Solution PT Nuansa Cipta Indowarna Mandiri Dipa Aditya
Agricultural Science Vol. 9 No. 1 (2025): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i1.183

Abstract

This demonstration plot study of the use of corn cake compost as a base fertilizer for corn farming on rain-fed land owned by PT. Nuansa Cipta Indowana Mandiri on Jl. Lumbang km. 07, Sumberkramat Village, Tongas District, Probolinggo Regency aims to analyze the socio-economic impacts of utilizing the company's abandoned/idle rain-fed land. This idle land utilization is intended to increase farm income and contribute to national harvest yields as a basis for food security. It also aims to determine the economic value of corn cake industrial waste as compost that can improve soil fertility. The data used are secondary data in the form of Corn Cake Flour Analysis results and primary data sourced from the demonstration plot data on the use of Corn Cake Flour compost as a base fertilizer for corn planting in rain-fed rice fields owned by PT. Nuansa Cipta Indowarna Mandiri in Sumber Kramat Village, Tongas District, Probolinggo Regency.The method used in this study was purposive sampling with observation, interviews, and documentation. Data were collected/processed and then analyzed using quantitative descriptive methods. The results of the study indicate that the abandoned/idle land of PT Nuansa Cipta Indowarna Mandiri is rain-fed land that has been planted with rice twice since 2009, namely in 2014 and in 2025 in a demonstration plot using corn filter cake compost, the land was planted with corn. Planting corn on a 3,000 m² plot produced 1,400 kg of dry corn kernels, with a total cost of IDR 6,713,000, - generating income of IDR 1,267,000, - the harvest yield decreased because 20% of the corn seedlings died due to heavy rain for 4 days. The R/C ratio of 1.19 is greater than 1, which means it is economically feasible. Socially, corn farming on the idle/abandoned land can absorb labor, provide cattle feed in the form of corn stalks for farm laborers harvesting, and contribute to corn harvest yields that can increase the number of corn harvests nationally. Corn Flour which is sugar waste from corn as the basic ingredient can be used as organic fertilizer because it has an organic C content of 25.56% (SNI Solid Organic Fertilizer Organic C content >15%) and a very low Fe content, namely available Fe 83.3 and total Fe 366 (SNI maximum available Fe 500 and maximum total Fe 15,000).Key words: Rainfed lowland farmers, income contribution, side job.
Circular Economy Based City Park Management Model in Surabaya Indonesia Dwi Haryanta; Tatuk Tojibatus Sa’adah; Achmadi Susilo; Indarwati
Agricultural Science Vol. 9 No. 1 (2025): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v9i1.181

Abstract

Maintaining a green, clean, beautiful, and lush city park through the year requires sustainable management, which includes maintenance like watering, pruning, trimming, and rejuvenation, as well as the creation of new parks. This study aims to identify the factors that influence the successful management of city parks in Surabaya and to understand the organic material cycle involved in managing these parks. This study used qualitative descriptive method. Data were collected through interviews with park management personnel, documentation from various city government policies, and field observations related to park management activities. Data were analysed using triangulation methods. Trees and city parks need regular care, such as pruning and trimming, to provide optimal benefits. Pruning waste, along with other organic waste, is composted at composting facilities or recycling centers widely available in Surabaya. The cyclical management of organic waste from city parks impacts the growth and development of Surabaya's parks while simultaneously solve the problem of organic waste produced by city communities.Although many studies discuss urban green space and waste management in Surabaya, specific research mapping the biomass cycle and circular economy framework in city park management is still limited. Therefore, this study aims to fill that research gap by exploring how circular economy principles are implemented in the Surabaya city park management system.

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