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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 8 Documents
 1 
Search results for , issue "Vol. 8 No. 1 (2024): September" : 8 Documents clear
Evaluating the Nexus between Farm Size, Fertilizer Input and Technical Efficiency of Rice Production in North West, Nigeria ALABI, Olugbenga Omotayo; MAHARAZU, Ibrahim; ALUWONG, Jeremiah Samuel; BAKO, Jerry Oluwatosin; MUHAMMAD, Abdulrrahman Kabir
Agricultural Science Vol. 8 No. 1 (2024): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i1.133

Abstract

Rice contributes a significant function in reducing food insecurity in sub-Saharan Africa including Nigeria. This study evaluates the nexus between farm size, fertilizer input, and technical efficiency (TE) of rice production, Nigeria. Data covered 200 rice farmers proportionally distributed in Kano and Kaduna states. The TE levels were obtained using parametric approach such as stochastic production efficiency frontier model (SPEFM) and descriptive statistics. The production constraints of rice farmers were evaluated using PCA (Principal Component Analysis). The average TE score of rice producers is 53.13% leaving an efficiency gap of 46.87% for improvement. Inferential analysis showed that the significant predictors influencing TE of rice production include fertilizer, farm size, agrochemicals, seed, and family labour. The addition of the first-order of the production predictors which is called the scale elasticity shows increasing RTS (return to scale) which is estimated at 1.958. The sources of TIE (technical inefficiency) of rice production were age, experience in rice farming, education level, members of cooperatives, and amount of credit accessed. The coefficient of variance ratio, the gamma is 0.7827, this connotes that 78.27% of variations in the output of rice were due to differences in TE. The major production constraints facing rice producers include lack of access to farm land (1st), high cost of fertilizers (2nd), and lack of agrochemicals (3rd). The cost of fertilizers should be reduced and made affordable for increased rice productivity and efficiency, secondly, easy access to farm land is necessary in terms of policy formulations and implementations.
Utilization of Soil Amandment to Optimize Growth and Yield of Pakcoy (Brassica rapa l.) on Degraded Soil Nurfadilah, Ayu; Handayani, Dila; Eviyati, R; Atmaja, Ida Setya Wahyu
Agricultural Science Vol. 8 No. 1 (2024): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/92a5eb21

Abstract

Slurry is by product of stone process, as cutting and polishing of natural stone. The consequence of the exixtence of slurry can be seen on irrigation water quality and degraded soil such sufficient nutrient and soil physics properties. The aims of this research was to analyse the effect of soil amandment on degraded soil to improve growth of Pakcoy (Brassica rapa L.). This research was conducted in June to August 2024 in Dukuhpuntang Cirebon using the Completely Randomized Design (CRD). The treatments are combination of the rice straw compost and soil affected by natural stone waste as planting media, including: A0 (control 100% soil affected by natural stone waste), A1 (25% soil affected by natural stone waste: 75% rice straw compost), A2 (50% soil affected by natural stone waste: 50% rice straw compost), A3 (75% soil affected by natural stone waste: 25% rice straw compost). Each combination treatment repeated 6 times. The research show that the utilization of rice straw compost in soil affected by natural stone waste as planting media increasing number of plant height, number of leaves, and fresh weight consumption by 41%, 39%, and 83%. Soil amendment improving the soil properties through ideal condition for plant growth, including reducing the soil compaction.
Land Conversion’s Impact on Food Security in Sindangsari, Karawang, Indonesia Henny Widyastuti; Deffi Ayu Puspito Sari
Agricultural Science Vol. 8 No. 1 (2024): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i1.147

Abstract

According to the Food Security and Vulnerability Atlas (FSVA) standard, of the 309 villages in Karawang, 63 are classified as food insecure. This study aims to determine the land conversion factors that affect food security in Karawang and to identify the factors influencing food access at the farm level. Using quantitative methods, including multiple linear regression analysis and logistic regression, the results show that the variable “number of industries” has a significant impact on food security, while income per month and farming experience significantly affect food access at the farm level. Additionally, food security (represented by the percentage of the poor) and regional security (represented by the crime rate) demonstrate a linear correlation.
The Effect of Giving Various Doses of Cow Manure On The Growth of Rattan Stem Seedlings (Calamus Zollingeri Becc) In Polybags Rahmawati; Gilang Ramadhan Syahputra; Yusran; Annadira; Siti Chasandra Pratiwi; Muh. Rian Pratama; Rinaldy Malik
Agricultural Science Vol. 8 No. 1 (2024): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i1.148

Abstract

The fulfillment of rattan needs in the future will continue to increase, and it is estimated that rattan sources from natural forests will not be able to provide sufficient quantities. Therefore, rattan development is still needed, especially in cultivating it on community land or in community nurseries. Rattan cultivation needs to be developed by procuring good and quality rattan seedlings, one form of effort in increasing the productivity of rattan stems is through maintenance so that to obtain quality seedlings, additional materials are needed in the media to provide nutrients that support plant growth. One of the organic fertilizers that plays a role in soil quality and plant growth is cow manure compost where this fertilizer is processed animal waste or cow manure that is given to the soil to improve soil fertility. This study provides information on the effect of giving various doses of cow manure on the growth of rattan stem seedlings (Calamus zollingeri Becc) in polybags so that it can be used as a guide in utilizing the cow manure optimally. This study used a completely randomized design (CRD) consisting of five treatments, P0 = soil without cow manure (control), P1 = 1000g soil + 200g cow manure, P2 = 1000g soil + 300g cow manure, P3 = 1000g soil + 400g cow manure, P4 = 1000g soil + 500g cow manure, Each treatment was repeated 10 times so that it required as many as (5x10) = 50 experimental seed units.
Impact of Rice Field Conversion Effectiveness on the Availability of Rice in Jakarta Province From 1981 to 2023 Guruh Putra, Ibnu; Iqbal, Muhammad; Roi Bafih, Achmad; Rohma Wati, Dewi
Agricultural Science Vol. 8 No. 1 (2024): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i1.149

Abstract

This study examines the impact of rice field conversion on the availability of rice in Jakarta Province from 1981 to 2023. Over this period, Jakarta experienced rapid urbanization, transforming agricultural land especially rice field area into urban infrastructure. The rice field area shrank from 7,720 hectares in 1981 to only 341 hectares in 2023, with rice production declining from 70,387 tons to 2,674 tons. Meanwhile, rice demand surged from 474 million kilograms in 1981 to 874 million kilograms in 2023 due to population growth. The study employs secondary data analysis, utilizing regression models to assess the influence of population density and productivity on rice field area. The results indicate that population density is the primary driver, with every unit increase leading to a loss of 104 hectares of rice field area. Conversely, productivity improvements had no significant impact on land size. The findings of current study highlight a growing dependency on external food sources, exposing Jakarta to food security risks. This research underscores the urgency of sustainable land management policies to balance urbanization and agricultural preservation. Recommendations include integrating land-use planning with food security strategies to ensure a stable and sufficient food supply for Jakarta's growing population.
The Effect of Nitrogen and Phosphorus Fertilizer on the Vegetative Growth of Red Chili (Capsicum annuum L.) Afifatun Nisa; Yeni Ika Pratiwi; Mahrus Ali; Nurlina; Nurul Huda
Agricultural Science Vol. 8 No. 1 (2024): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i1.150

Abstract

Red chili peppers (Capsicum annuum L.) is a type of vegetable that has economic value high and contains various compounds that are useful for human health. The aim is to determine the extent of the effect of Nitrogen and phosphore on the vegetative growth of red chili plants. This study used a two- factor factorial Randomized Block Design (RAK) method. The first factor is the dose of Nitrogen Fertilizer consisting of three levels, namely N1 (5 gr/plant), N2 (10 gr/plant), and N3 (15 gr/plant), the second factor is the dose of Phosphore fertilizer with two levels, namely P1 (10 gr/plant) and P2 (15 gr/plant). Observation variables include plant height, number of leaves, and number of branches. The results showed that there was a real interaction between nitrogen and phosphore fertilizers. Nitrogen Fertilizer treatment was significantly different from plant height, number of leaves and number of branches. The best Nitrogen Fertilizer treatment was at the N3 dose level (15 gr/plant). Furthermore, in the Phosphore fertilizer treatment, the best results were obtained at the P2 level (15 gr/plant) which affected plant height, number of leaves, and number of branches.
Biofortification in Palm Oil Based on Saponin Nanotechnology: Innovation in Nutritional Stability, Antioxidants and for Functional Quality Sapto Priyadi; H. Haryuni; R. Soelistijono; Siti Mardhika Sari
Agricultural Science Vol. 8 No. 1 (2024): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i1.152

Abstract

Palm oil is the world's main vegetable oil commodity and significantly contributes to the food industry. However, challenges related to the low content of certain nutrients and susceptibility to lipid oxidation are major issues that affect product quality. Fortification technology is an innovative solution to improve palm oil's nutritional value and oxidative stability. This article aims to evaluate the development of modern technology in palm oil fortification, including the addition of vitamin A, vitamin E, bioactive compounds, and the use of natural and synthetic antioxidants. Various methods, such as microencapsulation, nanotechnology, and biofortification techniques, are discussed in the context of their effectiveness in maintaining nutritional stability, preventing lipid oxidation, and extending product shelf life. This review highlights the challenges of implementing fortification technology, including technical and regulatory aspects in the food industry. The results of the review indicate that fortification technology improves nutritional quality and the oxidative stability of palm oil, thus supporting the development of healthier and more value-added food products. The implementation of vitamin A and E fortification with nanotechnology is expected to be able to answer global nutritional challenges and increase the competitiveness of the palm oil industry in the international market. 
A Strategic Model To Fulfil The Food Security of Farming Families Who Maintain The Culture of Growing Local Madurese Maize Ramon Syahrial; Heri Susanto
Agricultural Science Vol. 8 No. 1 (2024): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v8i1.153

Abstract

The purpose of this research is to identify the factors affecting farmers' decisions to continue planting Madura local corn and to determine strategies for ensuring food security for Madura local corn farmers in addressing declining productivity. The research design used is quantitative, as it involves numerical data analyzed through descriptive statistical methods. The population of this study is local corn farmers in Madura, with a sample size of 192 respondents. The quantitative method employs testing using SmartPLS 4.0. The results indicate that farmers' decisions to plant Madura local corn significantly impact their coping mechanisms. The choice to plant local corn also has a significant impact on their social capital. Coping mechanisms significantly influence family food security. Social capital also has a significant effect on family food security. The decision to plant Madura local corn indirectly affects family food security through coping mechanisms. Farmers' decisions also impact family food security through social capital. Strong social networks and community support help enhance food security by providing necessary resources and assistance.

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