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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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Maturity Level on the Quality of Pineapple (Ananas comosus L Merr.) Smooth Cayenne Variety During Storage Period Fawaz Fauzan; Dodi Budirokhman
Agricultural Science Vol. 8 No. 2 (2025): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i2.155

Abstract

harvest can produce good quality fruit. The characteristics of fruit commodities at various levels of maturity at harvest time greatly determine the quality because different levels of fruit maturity will affect the quality of the fruit, and inappropriate levels of maturity will cause low fruit quality. This research was carried out by the UGJ Cirebon Faculty of Agriculture Laboratory from July to August 2024. This research used an experimental method with a Completely Randomized Design (CRD). Variables measured included weight loss, total dissolved solids content and vitamin C. Tests were carried out using analysis of variance and Duncan's test. The results showed that differences in pineapple ripeness levels made a difference to fresh weight, weight loss and total soluble solids levels. High fresh fruit weight and weight loss were obtained at a maturity level of 20%, while high total soluble solids were obtained at a maturity level of 30%. Vitamin C levels showed no differences at various stages of maturity.
Improving Bio-Slurry Marketing Strategies In KPSP (Dairy Farmer Cooperative) Ariyanto; Yudi
Agricultural Science Vol. 8 No. 2 (2025): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i2.158

Abstract

The utilisation of bio- slurry can improve sustainable agriculture and encourage increased community income, especially for dairy farmers at KPSP Setia Kawan Nongkojajar (www.kpspsetiakawan.com), Pasuruan, East Java, Indonesia which is a cooperative body for dairy farmers one of the largest in Indonesia where some of the farmers have processed livestock waste into biogas with a total of approximately 1547 biogas installation units and will continue to grow considering the number of dairy farmer membersat KPSP Setia Kawan Nongkojajar about 7000 members. Therefore, in this study, the author aims to find the right bio-slurry marketing strategy to stimulate sustainable agriculture through processing livestock waste into biogas and bio-slurry. According to Li and Liu (2020), SWOT analysis (Strengths, Weaknesses, Opportunities, Threats) is a business analysis technique used to evaluate the strengths, weaknesses, opportunities, and threats a company or organisation faces. The data collection method used in this research is interviews and questionnaires to 3 respondents who are represented by one of the heads of breeders at KPSP Setia Kawan Nongkojajar, biogas officers and third-party collectors, namely PT Pupuk Suburkan Negeri (PSN) as the first buyer of bio-slurry from KPSP Setia Kawan Nongkojajar, Pasuruan, East Java, Indonesia by interviewing and filling out questionnaires to the three respondents for data collection in May 2023. The results of the research and discussion found that the bio-slurry marketing strategy at KPSP (Dairy Farmer Cooperative) Setia Kawan Nongkojajar Pasuruan, East Java, Indonesia is an SO (Strenght and Opportunity) strategy is a marketing strategy that optimizesopportunities with the strengths possessed by KPSP (Dairy Farmer Cooperative) Setia Kawan Nongkojajar, Pasuruan, Indonesia with a total score of Strength 0.69 and Weakness 0.31 as IFAS (Internal Factor Analysis Summary) and EFAS (External Factor Analysis Summary) analysis Opportunity 0.51 and Treath 0.49 and quadrant EFE and IFE obtained Opportunity: 0.26, Y : Total (O-T), and X : Total (S-W) 0.66 Strength.
Benefits of Biogas as a Renewable Energy Source in Supporting Sustainable Development Goals (SDGs) in the KPSP Setia Kawan Region, Pasuruan, Indonesia Yudi Ariyanto; Teguh Soedarto
Agricultural Science Vol. 8 No. 2 (2025): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i2.159

Abstract

KPSP (Cooperative of Dairy Farmers) Setia Kawan, Nongkojajar, Pasuruan, East Java, Indonesia, is one of the largest cooperatives of dairy farms in Indonesia, which consists of approximately 11,225 farmers with a population of 25,273 dairy cows. Milk production to date has reached ± 94,000 liters per day or ± 1,128,000 liters per year, which is increasing due to the milk needs of the Indonesian people, with the number of dairy cattle population in the KPSP Setia Kawan area has the potential to produce renewable energy sources, namely biogas by processing livestock manure waste. Processing livestock waste into biogas is very profitable and can play a role in the Sustainable Development Goals (SDGs) program.Processing livestock waste into renewable Energy through biogas is very appropriate because biogas can balance the use of fossil energy, which is increasingly depleting, and the use of biogas is more environmentally friendly and has economic and social benefits as a pillar of sustainable developmentThis systematic review comprehensively examines the benefits of biogas as renewable Energy in supporting the sustainable development goals program based on the three pillars of sustainable development, namely environment, economy, and social, that support the SDGs Sustainable Development Goals program. The research shows a powerful contribution benefit between the three pillars of sustainable development and sustainable development goals at KPSP Setia Kawan on biogas as renewable Energy.
The Effect of Planting Media and Liquid Organic Fertilizer Interval on the Growth and Yield of Chili Peppers Haryuni; Rani Latifah; Achmad Fatchul Aziez; Endang Suprapti; Tyas. S. K. Dewi; Siti Mardhika Sari
Agricultural Science Vol. 8 No. 2 (2025): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i2.160

Abstract

This study aims to determine the effect of planting media and the interval of application of liquid organic fertilizer of banana stems on the growth and yield of chili pepper plants (Capsicum frutescens L.). The study was conducted in the greenhouse of the Faculty of Agriculture, UTP Surakarta from December 2024 to February 2025 using a factorial complete randomized block design (RAKL) with two factors: planting media (soil, soil + manure, soil + manure + rice husks) and the interval of application of liquid organic fertilizer (without liquid organic fertilizer, once every 5 days, once every 10 days, once every 15 days). The results showed that the planting media of soil + manure + rice husks (M2) had a very significant effect on plant height, fresh weight, dry weight, number of fruits, and harvested fruit weight, with the highest results in plant height (74.729 cm), fresh weight (76.688 g), and harvested fruit weight (576.75 g). The 15-day liquid organic fertilizer application interval (P3) also showed a significant effect on plant growth and yield, with the highest plant height (67.336 cm) and the highest harvest fruit weight (524.56 g). The conclusion of this study is that the use of a mixture of soil, manure, and rice husks as a planting medium and a 15-day POC application interval is the best combination to increase the growth and yield of chili pepper. This study also shows that banana stem liquid organic fertilizer can be an alternative environmentally friendly and sustainable organic fertilizer.
Analysis of Primary Metabolite Content in Shallot Bulbs from Bantul and Sragen Basic Steps for Plant Breeding Hardian Ningsih; Herlina Mega Puspitasari; Zainal Arifin; Amelga Via Playnia Mars
Agricultural Science Vol. 8 No. 2 (2025): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i2.161

Abstract

Shallots (Allium cepa L. var. aggregatum) are strategic horticultural commodities rich in primary metabolite compounds that are important for nutritional value and quality of harvest. This study aims to analyze and compare the primary metabolite content in shallot bulbs from Bantul (Special Region of Yogyakarta) and Sragen (Central Java) using the proximate test method. The parameters tested include water content (thermogravimetric method), ash/minerals (dry method), fat (Soxhlet method), protein (Kjeldahl method), and carbohydrates (by different). Analysis was carried out on fresh samples from both areas representing the main production centers. The results showed differences in the composition of primary metabolites between the two samples. This difference indicates the influence of environmental factors and cultivation techniques on the nutritional profile of shallot bulbs. These findings are expected to serve as a basis for selecting cultivation sites based on nutritional quality, developing processed products that match the nutritional characteristics of the raw materials and are expected to serve as a basic step in plant breeding.
Herbal Jelly Candy Mengkudu and Red Ginger Extract, Physicochemical and Organoleptic Properties Reviews Vera Amanda Putri; Richardus Widodo; Tiurma Wiliana Susanti Panjaitan; Dwi Agustiyah Rosida
Agricultural Science Vol. 8 No. 2 (2025): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i2.162

Abstract

Noni is a fruit that contains important nutrients such as vitamins A, C, niacin, and thiamine. Red ginger contains important compounds such as zingiberon, zingiberin, and zingibetol. Noni and red ginger can be used as jelly candy products. Jelly candy is a soft-textured confectionery that people love and is processed with the addition of hydrocolloid ingredients. This study aims to determine the effect of the combination of noni juice and red ginger on jelly candy's physicochemical and organoleptic properties. The design used was a one-factor Complete Random Design (RAL) with a comparison of noni juice and red ginger, namely P1 95:5, P2 90:10, P3 85:15, P4 80:20, P5 75:25. The results showed that the combination of noni juice and red ginger juice in jelly candy products did not have a real effect on the level of chewiness of the product. The combination of noni juice and red ginger juice in jelly candy has a very real effect on the product's moisture content and ash content, where the moisture content will increase as the concentration of noni juice increases and the concentration of red ginger juice decreases. In contrast, the ash content will increase as the red ginger juice concentration increases and the noni juice concentration decreases. The combination of noni juice and red ginger juice in jelly candy did not have a real effect on the level of color and aroma preference, but had a real effect on the level of taste and chewiness, where P4 was the most preferred by the panelists.
Valorization of Rice Panicle Straw and Watermelon Rind as an Innovative Medium for Eco-FriendlyProduction of SCOBY Biofilm Priyadi, Sapto; Wiyono; Haryuni; Ramadhan, Karunia Irfan; Nugroho, Benny
Agricultural Science Vol. 8 No. 2 (2025): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i2.164

Abstract

The valorization of agro-food waste represents a promising pathway toward sustainable bio-based materials. This study aimed to formulate a fermentation medium from rice panicle straw (merang) and watermelon rind for producing eco-friendly SCOBY (Symbiotic Culture of Bacteria and Yeast) biofilm. The waste materials were thermally extracted without filtration to retain active solids and subsequently fermented with lactic acid bacteria for 14 days. The fermentation broth was enriched with soybean flour as a nitrogen source and Ziziphus mauritiana leaf extract as an antioxidant additive. Phytochemical screening was conducted using colorimetric reactions analyzed through chromaticity coordinates for flavonoids and grayscale intensity for alkaloids. SCOBY growth was evaluated by measuring biofilm thickness, wet and dry weight, tensile strength, and elongation at break. The results revealed that the combination of these residues provided sufficient nutrients and bioactive compounds to support SCOBY development. The best treatment produced a biofilm with 4.51 mm thickness, 17.49 g wet weight, 3.86 g dry weight, 43.11 MPa tensile strength, and 6.66% elongation. Colorimetric evaluation showed a red chromaticity spectrum for flavonoid presence (dominant wavelength 620 – 625 nm, purity 81.04%), and a clear white grayscale range (220 – 240) for alkaloids. In conclusion, this formulation offers a simple, low-cost approach to converting agricultural waste into functional biofilms. Further investigations are recommended to evaluate the shelf life and potential of liquid SCOBY as a plant immunomodulator and biofilm as organic packaging.
Application of Nitrogen and Phosphorus Fertilizers to the Vegetative Growth of Red Chilies (Capsicum Year L.) Nurul Huda; Nurlina
Agricultural Science Vol. 8 No. 2 (2025): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i2.179

Abstract

This study aims to determine the extent of the effect of Nitrogen and phosphorus on the vegetative growth of red chili plants. The research method was carried out at the Experimental Garden of the Faculty of Agriculture, Merdeka University, Surabaya. This study used a factorial Randomized Block Design (RAK) with two factors and three plant replications. The results showed a significant interaction between the combination of Nitrogen and Phosphorus treatments on Plant Height observations. The treatment of the correct (highest) Nitrogen fertilizer dose was shown by the N3 treatment and was significantly different from the N1 and N2 treatments on the parameters of plant height, number of leaves and number of branches. The treatment of the correct (highest) Phosphorus fertilizer dose was shown by the P2 treatment and was significantly different from the P1 treatment on the parameters of plant height, number of leaves and number of branches.
Research Trends On Pests of Manganji Chili Plants(Capsicum Annuum L): A Bibliometrix Review Revandi Putri, Alicia; Panayungan, Elang; Saleh, Ismail; March Syahadat, Ray
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.v9i1.165

Abstract

Manganji chili is a distinctive horticultural commodity from Japan with high economic value; however, the greatest challenge in its production lies in pest infestations. This study aims to analyze research trends concerning pests affecting Manganji chili plants (Capsicum annuum L.). The analysis was conducted using a bibliometric approach based on Scopus data, supported by VOSviewer and Bibliometrix tools. The primary focus was directed at five key pests: Aphis gossypii, Scirtothrips dorsalis, Nezara viridula, Spodoptera litura, and Filicaulis bleekeri. Results indicate that although the number of publications remains limited and inconsistent annually, there has been an upward trend over the past two decades, particularly in Japan, the country of origin of Manganji chili. The identification of keywords, topic clusters, and prolific authors revealed a dominant research focus on biological control and banker plant systems. This study identifies research gaps that can be leveraged to develop more effective and sustainable pest control strategies. Therefore, the findings are expected to serve as a foundation for future research and policy-making in the management of Manganji chili pests.
The Potential for Organic Matter and Nutrient Recovery from Broccoli Harvest Residues to Support Sustainable Agriculture Tria Suci Astira; Tittan Triken Mardhika; Ismail Saleh; Ray March Syahadat
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.v9i1.166

Abstract

The return of harvest residues to the soil is an essential strategy in supporting sustainable agriculture, particularly for horticultural commodities such as broccoli (Brassica oleracea var. italica). This study aims to analyze the potential return of organic matter and macronutrients (N, P, K) as well as organic carbon (C-organic) from broccoli harvest residues to enhance soil fertility and reduce dependence on chemical fertilizers. The research was conducted in May 2025 in Desa Tani, Cipanjalu, Cilengkrang, Bandung Regency, with laboratory testing performed at the Department of Agronomy and Horticulture, IPB University, Bogor. A quantitative and descriptive approach was employed through observation, interviews, and laboratory analysis. The identification results showed that the total fresh weight of broccoli plants was 1,169 grams, of which only 400 grams were harvested, while the remaining 769 grams consisted of leaves, lower stems, and roots left in the field. The dry weight of the harvest residues was 77 grams per plant. With a planting density of 22,000 plants per hectare, the potential nutrient return was calculated using the formula: Nutrient Return = Dry Weight × Nutrient Content × Population per hectare. The nutrient content analysis showed that the broccoli residues contained 7.03% nitrogen (N), 0.90% phosphorus (P), 4.84% potassium (K), and 33.79% organic carbon (C-organic). Broccoli harvest residues have been proven to possess significant nutrient value and can be utilized as green manure to improve soil structure and reduce the use of synthetic fertilizers.

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