bluuebunny/crossref_metadata_2025_split huggingface dataset:
Potential future distribution of Scirpophaga incertulas (Walker) in Indonesia
Authors: Sutomo  , Saputra M H , Humaida N 
Published: June 2023

Abstract

Scircpophaga incertulas is a caterpillar that lives in rice stalks and can damage rice crops from seedling to maturity. One factor that influences this pest’s presence is the climatic factor. This study aimed to map the future potential distribution of Scircpophaga incertulas (2100). The method utilized in this study was the Species Distribution Model (SDM) from the web-based modeling platform Ecocommons by using the Artificial Neural Network (ANN). For current and climatic projections (the year 2100), the open-source climatic data from CliMond were used. The ANN result shows the climatic factors contributing to this species distribution are annual precipitation amount by more than 80%, followed by the mean monthly precipitation amount (the warmest quarter by precisely 80% and the coldest quarter by 62%). The SDM analysis indicates that around 23.07% of Indonesia’s archipelago is highly suitable for Scircpophaga incertulas in 2100, while in the current situation, 33.03% is suitable. This study deduces that the highest suitability for this pest distribution will cover 80% of the Java Island area in the future. In contrast, this species’ potential distribution in Papua will decline from 46.86% to 21.29% in 2100.
Adoption of technology to improve self-sufficiency in paddy plantations in Brunei: Challenges and mitigation strategies for intermediate stakeholders.
Authors: Suhaili Wida Susanty Haji 
Published: June 2023

Abstract
Rice has always been one of the basic foods in ASEAN Member States. The government typically provides substantial subsidies for this. Shortage of staple food production is one of the top issues being addressed now as the countries face pandemic concerns. Achieving food security is a great concern, particularly for countries where a substantial portion of the population depends on food imports. The countries need to prioritize food security and increase self-sufficiency due to the unpredictable impact of climate change as the food crisis gets worse. In addition, since irrigation plays an important part in paddy farming, efficient and intensive farming, or smart farming, has been required to mitigate the food-supply problem. Smart agriculture with the use of Internet of Things (IoT) is part of the Smart Nation’s initiative to reach Brunei’s 2035 vision. This paper highlights the present status of agricultural condition and practices in Brunei as well as some issues and challenges faced. This paper also analyses the policies for sustainable best practices of growing paddy within the region. Various technology and non-technology strategies to overcome these challenges are defined, especially those dealing with the new norm.
GC-MS Screening of Sungkai Leaves and Relation With Its Antioxidant Capacity
Authors: Rahmi Z J A , Santoni A , Jaswandi  , Juanssilfero A B 
Published: June 2023

Abstract
Sungkai (Peronema canescens Jack) is a wild plant that grows in Kalimantan and Sumatera, Indonesia, and is used as traditional medicine. This study aimed to determine the components of chemical compounds in young leaves, half-old leaves, and old leaves of sungkai and their antioxidant activity. Gas Chromatography-Mass Spectrometry analyzed chemical compounds (GC-MS), and antioxidant activity was evaluated by 1,1-diphenyl-2-picrylhydrazil (DPPH). The analysis of chemical compounds showed that the chemical compounds were almost similar in young, half-old, and old leaves of sungkai with different intensities. Antioxidant activity showed the strong activity with IC50 of young leaves of sungkai is 26.389 mg/L, half-old leaves 29.874 mg/L and old leaves 30.9183 mg/L.
The Use of Ngapi Nut Peel (Pithecellobium jiringa Prain) Extract as a Natural Pesticide to Control Stink Bugs (Leptocorisa oratorius)
Authors: Refilda  , Agustin E F , Yefrida  
Published: June 2023

Abstract
Ngapi nut peel is an organic waste that is often found at traditional markets which has not been fully utilized and can pollute the environment. The utilization of ngapi nut peel extract to control stink bugs was carried out. The purpose of this study was to obtain LC50 values and compounds that can eradicate stink bugs. Ngapi nut peel was extracted with methanol using the maceration method, the extract were analyzed by using GC-MS, phytochemical test was used to determine secondary metabolite and total phenolic by using the Follin-Ciocalteau method. The spray method was used to determined LC50 on stink bugs. The results showed that methanol extract positively contained flavonoid, phenolic, saponin and terpenoid. Total phenolic value was 0.65 mg GAE/g DW. GC-MS showed compounds that have the potential as natural pesticides such as 2,4-Dimethyl-6-phenyl-1,3,5-triazine; 3-(4-Methoxypheny l,2-propenoic acid; Undecanoic acid; Phthalic acid. LC50 test for 12 and 24 hours were found on concentrations 24.4174 g/L and 17.3101 g/L. The methanol extract of ngapi nut peel on concentrations of 35 g/L showed the highest percentage 87% of stink bugs mortality at 24 hours. It can be concluded that extract can control the stink bugs.
Socio Economic and environtmental values of Curcuma xantorrhiza Roxb. at Banjar Community, South Kalimantan
Authors: Santosa P B , Wahyuningtyas R S 
Published: June 2023

AbstractSince ancient timesCurcuma xanthorrhizaRoxb. or Javanese Turmeric (JT) is an important spice for the Banjar people. JT contains active ingredients such curcuminoids which have antioxidant properties. Due to the ability to increase the body’s immunity, the demand for JT during the Covid-19 pandemic has increased. Banjar Regency is a supplier of JT in South Kalimantan. This paper describes the socio-economic and environmental values of JT for the Banjar people. Data was collected from interviews with several JT spice farmers, collectors, traders, and consumers in several locations. Data were analyzed descriptively to describe JT’s role in supporting the community’s economy and the environment. From an economic perspective, JT has provided many benefits and produces several products such as food, body care, traditional medicine, and animal feed. From an environmental perspective, JT increases the productivity of arable land and prevents fires land. The development of JT on private land faces several challenges due to the low interest of the community to cultivate JT and lower prices than seasonings spices. Therefore, several strategies are needed to support its development, such arrange cropping patterns, combinations of cropping types, research support related to the use of superior varieties, and expansion of planting.
Co-composting cow manure, rice straw with marine organic waste: characterization of compost quality
Authors: Hidayat B , Sebayang N U W , Jamilah  , Akbar A M 
Published: June 2023

Abstract
Marine organic waste can be managed into compost products. Co-composting is a biological process to decompose two or more types of organic matter into a stable humus substance and is expected to overcome the disadvantages of composting single organic matter. This study aims to produce compost with better characteristics than composting marine waste singly with the addition of other organic materials such as cow dung and rice straw. The composting method used is Co-composting Barkley for 7 weeks. Parameters observed were pH, temperature, humidity, C/N, macronutrients, micronutrients, and physical properties of compost such as odor, color, and texture. Compost quality characteristics have met the Indonesian national standard (SNI SNI 19-7030-2004) so that it can be developed. Compost macronutrients (Nitrogen 1.47%; Phosphorus 0.38% and Potassium 0.28%) and compost micronutrients (Fe 0.97%; Mn 0.09%; Zn 47.74 ppm and Cu 7.43 ppm).
The effectiveness of amended NPK fertilizer and biochar in the medium of planting Sacha inchi (Plukenetia volubilis)
Authors: Nur Suraya A , Shahmi M H A H , Noorshilawati A A 
Published: June 2023

Abstract
Sacha inchi is an underutilised crop species. The plant is also rich in omega 3, 6, and 9 fatty acids and thus has good potential to be planted on a wide scale to address problems with food security and hunger. Hence, a study was conducted to determine the ideal medium composition through the application of NPK and biochar as soil amendments in the planting medium. T0 (control), T1 (99.92g biochar), T2 (199.84g biochar), T3 (2.47g NPK), T4 (2.47g NPK+99.92g biochar), and T5 (2.47g NPK+199.84g biochar) treatments were prepared, and each was replicated four times. NPK fertiliser was applied at split doses according to plant age. The results of the study indicated that T4 has promoted many growth parameters, such as leaf number (63), plant height (174.6cm), and leaf length (18.5cm). Thus, soil medium supplemented with 99.92g biochar and 2.47g NPK fertiliser was found effective in increasing and promoting the growth of Sacha inchi. The use of biochar is also one of the alternatives to reducing the negative impact of inorganic fertiliser use and is beneficial to the environment.
The dynamics of water yield: Case of Kuranji watershed, Padang City, West Sumatera, Indonesia
Authors: Wardiman D , Yonariza  
Published: June 2023

Abstract
Land-use change is the main cause of high runoff in the Kuranji watershed and has social and economic impacts on the public. This study aims to determine the dynamics of watershed water yields and to formulate directions and recommendations for the management of the Kuranji watershed. The dynamics of the water yield in Kuranji watershed were analysed based on the SWAT hydrological model from the conservation area scenarios. The results showed the value of the dynamics water yield in Kuranji watershed is: reliability 0,79 with a duration of 290 days a year, resilience value 0,67 or 67% certainty of success of the watershed to return to normal conditions with a recovery period of 75 days a year and the average vulnerability is 389.466 m3/day. So that the form of a decision to be made with these conditions is that this area can be developed but the types of plants grown must be sensitive to water shortages. The direction and recommendations of the Kuranji watershed management on the future are to grow public awareness through the formation of public perceptions, conservation on target, continuous watershed conservation, public empowerment, and incentive policies governing payment for environmental services.
The effect combination of organic and inorganic fertilizer on okra (Abelmoschus esculentus) growth
Authors: Shampazuraini S , Ameera Z M M Z , Noer Hartini D 
Published: June 2023

Abstract
Okra (Abelmoschus esculentus) is the most commonly and popular vegetables. The application of inorganic fertilizer is very important to increase the productivity of the crop, but overuse of inorganic fertilizer can lead to soil acidification that can affect the plant growth. The purpose of these study is to determine the effectiveness combination rate of organic and inorganic fertilizer toward okra growth and yield performance. This study was conducted in a greenhouse by using Randomized Complete Block Design (RCBD) with four replicates. The study was used chicken dung as organic fertilizer. The treatments applied were T0 (NPK), T1 (NPK + 20 g chicken dung), T2 (NPK + 40 g chicken dung), and T3 (NPK + 60 g chicken dung). NPK green was applied only one-time during 14 days after sowing (DAS) and was continued with NPK blue. T3 showed an increasing in fresh pod yield. Thus, combination of organic fertilizer and inorganic fertilizer was showed the positive effect to the crop production. The combination of organic and inorganic fertilizer was proven to be the most effective in okra production.
Effect of essential oil type and immersion time on Manalagi apple fruit storability
Authors: Tussaadah S K A , Dinarto W , Astriani D 
Published: June 2023

Abstract
Manalagi apples are easily damaged fruits, so fruit storability is relatively short and yield loss will be high if not handled properly after harvest. This study aims to determine the essential oil type and immersion time that are best for maintaining the storability of Manalagi apple fruit. This study was a factorial experiment arranged in a completely randomized design with three replications. The first factor, essential oil type, consists of three types: citronella oil, coconut oil, and sesame oil. The second factor, immersion time, consists of three levels: 5, 10, and 15 seconds. The additives used to make the emulsion were 1% Tween 80, 0.5% oleic acid, and 3% alcohol. Control without coating treatment. The results showed that apple coating with citronella oil with an immersion time of 5 seconds was the best treatment to maintain the Manalagi apple’s storability for 31 days of storage. The weight loss of apples dipped in citronella oil was lower, and the preference level of the panelists was higher than that of apples dipped in coconut or sesame oil. Manalagi apples that are coated with essential oil have better storability than apples that are not coated.
Characteristics of Physical, Chemical, and Organoleptic Properties of Gulai, Kalio, and Rendang from Rubber Seeds (Hevea Brasiliensis) as Traditional Plant-based Food
Authors: Refdi CW , Rasdiana FZ , Rini  , Deswita R 
Published: June 2023

Abstract
The study aimed to determine the physical, chemical, organoleptic characteristics and safety of rubber seeds (Hevea brasiliensis) which were processed into gulai, kalio, and rendang. This research used a descriptive exploratory method to determine the differences in rubber seeds’ physical, chemical, and organoleptic properties. The treatments in this study were processing rubber seeds into gulai with a cooking time of 1 hour, kalio with a cooking time of 2 hours, and rendang with a cooking time of 3 hours. Physical analysis showed the highest hardness value was in processing rubber seeds into rendang 31.03 N/cm2. Chemical analysis of processed rubber seed products for the highest water content in rubber seed gulai 59.25%, the highest ash content in rubber seed rendang 6.78%, the highest protein content in rubber seed gulai 8.99%, the highest fat content in rubber seed rendang 38.84%, the highest carbohydrate content in rubber seed rendang 16.29%, the tallest free fatty acid number in rubber seed rendang 0.4%, the peroxide value was not detected in each treatment product. The highest cyanide acid was in rubber seed gulai 10.76 mg/kg. Based on the organoleptic test, rendang rubber seed is the most preferred processed rubber seed product from aroma, color, texture, and taste.
Effects of purple sweet potato (Ipomoea Batatas L.) starch addition on characteristics of peel-off gel preparation
Authors: Nguyen N T N , Asben A , Syukri D 
Published: June 2023

Abstract
Purple sweet potato contains a huge amount of carbohydrates and phytochemicals; this tuber is considered a cheap source of anthocyanin, which has been used widely, especially in the food and pharmaceutical industries. However, this fresh crop has a short storage time during postharvest without advanced techniques or a good preservation system. This drawback has led to the quick rotten and reduced value of this tuber. Therefore, this study focused on making and evaluating the characteristics of peel-off gel preparation formulated from purple sweet potato starch to promote the value of this crop. Purple sweet potato starch with the investigated concentrations of 1%, 2%, 3%, and 4% was added into the formulations; a sample without starch was considered a control formula. Organoleptic, physical and chemical characteristics of the gels were assessed. The best formula showed a homogenous consistency, no irritation and had the highest acceptable score. The gel was stated with good spreadability, the peeling time was less than 30 minutes, the pH was 5.6, and the viscosity followed to Indonesian National Standard (SNI 2007) for facial skin products. Moreover, the gels presented active antibacterial activity against Staphylococcus aureus; and antioxidant potential. In conclusion, with the addition of 3% starch concentration, purple sweet potato is suggested to manufacture a good quality peel-off gel mask.
Distinguishing water salinity threshold through irrigation for maize (Zea mays L.) growth and yield
Authors: Ibrahim N A , Wan Ahmed W N , Othman H 
Published: June 2023

Abstract
Irrigation with water containing salt in excess can affect crop development. This can be due to unsustainable irrigation or the water itself had higher salt content. Water scarcity around the globe may also lead in irrigation using water that contains salt. Thus this research was conducted to determine the threshold value of water salinity that enable maize to maintain acceptable growth and to measure the growth and yield of maize with saline irrigation water. Treatments laid out in a Completely Randomized Block (CRD) which consisted of five replications; T0 (control): tap water, T1: 1.5 dS/m (750 ppm), T2: 2.5 dS/m (1250 ppm) and T3: 3.5 dS/m (1750 ppm) of sodium chloride (NaCl). Results showed that salinity of water had a much greater effect on maize growth and yield rate. Factors that were more significantly affected by saline irrigation water were plant height, leaf area, dry weight, corn weight, corn length, and the diameter of cob. This study proven that saltwater started at 2.5 dS/m could affect the growth and yield of maize. However, at 1.5 dS/m, maize still showed a positive growth and yield. Eventhough, saline water can reduce the production, it is still feasible for maize to grow at a certain level of salinity. Therefore, using saline water irrigation in maize cultivation at a concentration of around 1.5 dS/m can be considered in irrigation regimes at agriculture areas that experience water scarcity.
Improving the Shelf Life of Ambon Bananas Lampung Using Static Transportation Method
Authors: Yani A , Budi D S , Novitasari E , Novita D D , Asropi  
Published: June 2023

Abstract
Ambon bananas are one of several types of bananas exported from Lampung to other countries. Due to the distance and the length of time, the bananas undergo ripening before arriving at the destination country. The current research aims to increase the shelf life of bananas so that they are still fresh and fit for consumption by consumers. The experimental design used was a completely randomized design with ethylene absorbent formulation treatment, namely B0 = Control (0 g/kg ethylene absorbent material (KMnO4 + clay), B1 = 1 g/kg ethylene absorbent material (KMnO4 + clay), B2 = 2 g/kg ethylene absorbent material (KMnO4 + clay), and B3 = 3 g/kg ethylene absorbent material (KMnO4 + clay). Storage was performed at a temperature of 16−18°C for 24 days after treatment (DAT). During storage, samples were taken and observed for storage days 0, 4, 7, 10, 14, 17, 21, and 24. The data were statistically analyzed and continued with Duncan’s test at the 5% level. The control treatment (B0) of Ambon bananas can only be stored up to 10 DAT, while the B1 treatment is 14 DAT. For B2 treatment, Ambon bananas can be stored up to 21 DAT, and the best treatment is B3 (3 g/kg KMNO4 + clay), which can withstand banana ripeness until the end of the observation (24 DAT).
The evaluation of supply chain risk management on smallholder layer farms
Authors: Armijal  , Marlina W A , Hadiguna R A 
Published: June 2023

Abstract
The layer farming has been a vital element in our economy as the sector does not only provide large number of employments for smallholder farmers but also supply food provision that support our national’s food security and dignity. However, this sector is prone to risk as high uncertainty lies on the production of eggs. Market price volatility, food scarcity, extreme weather, soaring price of raw materials are some risks that can disrupt the sustainability of the supply chain of egg productions. It is essentially important for smallholder farmers to incorporate risk management approach in their egg productions. This research employs a supply chain operational reference (SCOR) and house of risk (HOR) methodology to identify, assess and evaluate the inherent risk that lies on egg productions managed by smallholder farmers. HOR phase I were able to identify 25 risk events and 45 risk agents, while HOR phase II were able to identify 4 risk agents which represented 20% of ARP score. Finally, this research was able to propose 4 preventive actions (PA) to mitigate the risk of egg productions by smallholder farms.
Alternative to excessive consumption of fossil fuels in Nigeria: a case of solar energy system
Authors: Adagunodo Theophilus Aanuoluwa , Adeniji Adetunji Ayokunnu , Ajao Adekunle Mayowa , Anie Nicholas Oliseloke 
Published: June 2023

Abstract
In both affluent and developing countries, electricity serves as the focal point for all developmental initiatives. Alternative sources of energy must be found in order to ensure a reliable supply of clean energy for everyone as the world, and Nigeria in particular, are facing impending shortage of fossil fuels, most immediately oil, which has created a significant gap between energy demand and supply due to insufficient local production. In this article, the potential for solar energy to increase Nigeria’s energy supply is discussed. Sunlight, a renewable, non-depleting energy source, generates solar energy. The quantity of solar Energy being received by the Earth hourly is abundant to supply the required energy on annual basis. Due to the constant demand for power in our present age, solar energy is incredibly effective and pollution-free. As a result, in this regard, solar energy and its potential to improve Nigeria’s energy supply as well as its future trends are discussed. The article is aimed to cover several uses and strategies for promoting solar energy in our society: Nigeria as a case study.
Statistical optimization strategies on waste substrates for solving high-cost challenges in biosurfactants production: a review
Authors: Sharon Abimbola Bowofoluwa , Ahuekwe Eze Frank , Nzubechi Elughi Gift , Oziegbe Olubukola , Oniha Margaret 
Published: June 2023

Abstract
Biosurfactants are bio-based amphiphilic molecules with extensive applications in various industries. These eco-friendly alternatives possess numerous advantages over chemical surfactants. However, high production costs hinder market competitiveness of biosurfactants. Production costs of synthetic surfactants range between $1-3/kg, while biosurfactants cost between $20-25/kg. Principal challenges hindering commercialization of biosurfactants are high costs of media constituents and downstream processing, accounting for 30% and 60-80% of production costs, respectively. Thus, cost-effective biosurfactant production would depend on the utilization of environment-friendly low-cost substrates and efficient product recovery. To this end, statistical tools such as Factorial Designs (FD) and Response Surface Methodology (RSM), are employed to optimize the production processes. FD as effective screening models comprise Plackett-Burman Design (PBD) and Taguchi design; and involves quantification of various significant factor effects including the main effect and level of dependency of one factor on the level of one or more factors. RSM predicts appropriate proportions of media constituents and optimal culture conditions; and is reportedly effective in reducing production cost and consequently, market price. Central Composite Design (CCD) and Box-Behnken Design (BBD) are common RSM for optimizing biosurfactants production. CCD assesses the relationship between one factor or more and a set of experimental variables. BBD is considered more proficient than CCD as it requires fewer experimental runs. Most recently, Artificial Neural Network which uses artificial intelligence-based tools to predict biosurfactant production using dependent variables of the process is gaining attention.