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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 136 Documents
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Processing of Red Velvet Cake Using Natural Dyes of Red Bitter Fruit (Beta Vulgaris) And Red Spinach (Amaranthus Tricolor Linn) Anita Wulandari; Wahyu Kanti Dwi Cahyani; Pongky Lubas Wahyudi
Agricultural Science Vol. 4 No. 2 (2021): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

The red velvet that many people like is a pastry food that is usually found in restaurants and cafes. Red Velvet, which usually uses red food coloring, in this study replaced it with red beet and spinach coloring. Beets, which have high nutrition, are very useful and suitable to be processed into natural dyes in the home industry that are easy to process. One of the products to apply it is Red Velvet cake. Red Velvet cake basically uses a mixture of food coloring. This research tries to replace red food coloring by utilizing beet and red spinach which are very good for the body. This study aims to provide a new alternative to natural dyes in the making of Red Velvet cake. Experimental research was carried out by conducting systematic and planned experiments and tests on Red Velvet cake and collecting primary and secondary data as well. All data were presented descriptively with SPSS. From the mean results, it can be concluded that the Red Velvet Cake using red beet and red spinach dye is acceptable to the public.
Application of Integrated Pest Control Models Nilaparvata Lugens (Stal) (Homoptera: Delphacidae) In Rice Plants Outside of Sidoarjo Mud Impact Area Faisol Humaidi
Agricultural Science Vol. 4 No. 2 (2021): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

This study aims to apply an integrated pest control model (IPC) of brown planthoppers (bph) on rice against the presence of natural enemies in maintaining rice productivity. The research was conducted in Sentul Village, Tanggulangin District, Sidoarjo, East Java Province from September 2020 to December 2020. The research was conducted using a survey method. The research location was selected using the purposive sampling method, namely the area with the highest percentage of attacks, having been attacked at least 3 times the planting season, planting Inpari-4 rice varieties, and reported as brown planthoppers endemic areas in Sentul Village, Tanggulangin District, Sidoarjo. The results showed population abundance, percentage level of attack, lowest brown planthoppers attack intensity with IPC treatment and the highest with conventional control pedals, while the composition and abundance of brown planthoppers natural enemies was dominated by the family, Tetragnathidae and Coccinellidae (Coccinela repanda).
Evaluation of Phenological Traits of Pear Varieties in Warm Temperate Region of Nepal Padma Nath Atreya; Ramila Dhakal2; Jiban Shrestha
Agricultural Science Vol. 4 No. 2 (2021): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

Phenological study of a fruit tree is important for timely and proper orchard management. This study was carried out in orchard located at Warm Temperate Horticulture Centre (WTHC), Kathmandu, Nepal from January to August, 2020 with the objective to identify the different timing of phenological stages in 18 different varieties of pear. Data on days from swollen bud to bud burst, swollen bud to green cluster, swollen bud to white bud, swollen bud to bloom, swollen bud to petal fall, swollen bud to fruit set, fruit length, and fruit diameter were recorded. The phenological and fruit traits were found highly significant. The shortest flowering period (days from swollen bud to petal fall) was observed in varieties Sinko and Yakumo (13.33 days) and the longest period was found in Pharping local (Green) (35.00 days) followed by Pharping local (Brown) (34.00 days). The longest fruit (58.80 mm) was recorded in Anjou followed by Bartlett (52.90 mm) and Yakumo (49.80 mm). Similarly, the highest fruit diameter (57.60 mm) was recorded in Anjou followed by Yakumo (55.80 mm) and Atago (51.60 mm). On the basis of total variability, pear varieties were grouped into five distinct clusters. Cluster 2 showed that Anjou had the highest fruit length and fruit diameter. Cluster 5 illustrated that the longest flowering period was observed in the Pharping local (Green) followed by Pharping local (Brown). Based on phenological traits Sinko and Yakumo and based on fruits traits Anjou were found potential varieties for cultivation under warm temperate region of Nepal.
Effect of Soilless Media (Hydroponic ) on Growth and Yield of Two Varieties of Lettuce Jhon Hardy Purba; I Putu Parmila; Wayan Dadi
Agricultural Science Vol. 4 No. 2 (2021): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

The purpose of this study was to determine the effect of media types, varieties and their combinations on the growth and yield of lettuce with hydroponic wick system cultivation. This research was carried out in the agronet house of the Agrotechnology Study Program, Faculty of Agriculture, Panji Sakti University, Singaraja with an altitude of 39 meters above sea level (above sea level) from May to July 2019. The experimental design used in this study was factorial randomized block design (RBD) which consisted of two factors, the first factor was growing media in a net pot (M) with 3 types, namely rockwool growing media (M1); husk charcoal growing media (M2), and coco peat growing media (M3), and the second factor is the variety (V) which consists of 2 types, namely the frizzy lettuce (V1) and the red lettuce (V2). The results of this study showed that the best medium which gave greater result was husk charcoal medium and compared to rockwool and cocopeat, the frizzy lettuce was better than the red lettuce, and the combination of the husk charcoal medium and the frizzy lettuce variety gave the best growth and yield parameters.
The Effect Concentration Plant Extracts Bintaro(CarberaManghas)Against Mortality Hama armyworm (Spodopteralitura) Sri Purwanti; Sri Hidayati; Nurlina; Mahrus Ali; Amin Rahayu
Agricultural Science Vol. 4 No. 2 (2021): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

This study aims to determine the effect of combined treatment plant extracts bintaro and giving the extract concentration on the mortality of armyworm pests. While the research method used factorial experiments conducted with a completely randomized design (CRD). Treatment Factor I was the Bintaro plant organs extracted consisting of 4 levels consisting of 4 combinations of Bintaro organs and 5 combinations of extract concentrations so that there were 20 combinations and 1 control (without giving the extract) so that a total of 21 treatments were repeated 3 times, a total of 63 units. trial. The experimental unit was using a jar with a height of 6 cm, a diameter of 12.5 cm with 8 instar 1 tails, so it needed 504 instar 1 caterpillars. Caterpillar feed is sunflower leaves that are added / replaced every day. The results showed that there was an insignificant effect of the combination of the treatment of Bintaro plant organ extracts and the concentration of Bintaro plant organ extracts with the mortality rate (%) of armyworms, where observations on days 4, 8, 12 and 16 showed a significant value> 0, 05 with the highest R Square achievement on the 16th day of observation of 0.0675 (6.75%), meaning that only a 6.75% mortality rate (%) of armyworms was affected by the combination of the above treatments. The insignificant effect at all levels of treatment factors was the concentration of Bintaro plant's organ extract (K), but the K5 treatment (12.5% extract concentration) showed a tendency to be better than the K1, K2, K3, and K4 treatments with an R Square value of 0, 418370978 (41.84%) means a number of 41.85% mortality (%) armyworms due to K5 treatment (12.5% extract concentration), the remaining 58.15% due to external factors and insignificant influence at all factor levels treatment of Bintaro plant organ extract (B), but treatment B1 (leaf organ extract) showed a better tendency than treatment B2, B3, and B4 with a significant value of F (0.264002509> 0.05) and R Square of 0.296443348 ( 29.64%).
Cucumber(Cucumis SativusL.)Growth and Nutrient ContentResponse to Applications of Leonarditeand Phosphorus Fertilizer Ardalan Jalal Majeed
Agricultural Science Vol. 5 No. 1 (2021): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i1.60

Abstract

Leonardite is a common mineral that contains a lot of organic matter. It may have a beneficial influence on plant growth and nutritional content. The objective of the present study was to determine the effect of four different leonardite doses (0, 20, 35, and 50 g kg-1), three different phosphor rates (0, 50, 100, and 150 mg kg-1P), on plant growth, and nutrient uptake of Cucumber (Cucumis sativusL.). plants. The experiment was conducted in a plastic house. Increasing the leonardite dose statistically increased the concentrations of N, P, K, Mg, Cu, and Mn in the cucumber leaves, but Zn content (34.711 a) mg kg-1of the leaves was significantly higher only with the (20 gm) of leonardite. The highest phosphor application (150 mg kg-1) increased leaf N, P, K, Ca, Mg, and Mn concentrations compared with the other three doses and also the leaf Zn levels statistically did not increase as the P applications increased from (control to 150 mg kg-1). Based on the number of fruits per plant, the best interaction among leonardite doses and phosphor rate were a combination of the (35gm×100 mg kg-1) increasing the numbers of cucumber per plant (48.000a).
Increasing Early Growth of Jatropha Cuttings (Jatropha Curca) L.) With The Provision of Organic Growth Regulatory Substance Bambang Gunawan; Nurul Huda; Yeni Ika Pratiwi
Agricultural Science Vol. 5 No. 1 (2021): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i1.61

Abstract

Jatropha is a pioneer plant that can easily grow even on marginal lands and has high potential as an oil-producing plant for renewable fuels. This plant is an annual plant that can grow until the age of 50 years, in the form of a bush and begins to produce at 6 months after planting with a productivity varying from 0.5 to 12 tons/ha/year with an oil yield of 25-30% and maximum production will be achieved after planting. Plants 4-6 years old. Jatropha has the potential to become an alternative energy source and become a biofuel with renewable energy sourcesor renewable green energy; in addition to other benefits in traditional medicine for various types of diseases. The purpose of this study was to determine the increase in the initial growth of Jatropha cuttings by giving organic growth regulators. Based on the results of the study, it can be concluded as follows: There was no significant interaction in the treatment combination between the concentration of organic growth regulators and the factor of internode location on all dependent variables observed in the early growth of Jatropha stem cuttings. The internode location factor showed a significant effect on the variable number of leaves, shoot length, root length, number of roots, root wet weight, root dry weight, and the location of the 12th internode (R2) gave better results than the 10th internode location. (R1). The concentration factor of organic growth regulators also showed a significant effect on the variables of leaf number, shoot length, root length, root number, root wet weight, root dry weight and K2 treatment (5 ml per liter of water) gave better and more efficient results. compared to other treatments.
Liquid Organic Fertilizer Alcohol Waste Enriched Manure Effect on Growth and Yield of Chili (Capsicum Annum L.) Achmad Fatchul Aziez; Wiyono; Dwi Susilo Utami; Choirul Fariawan Putra
Agricultural Science Vol. 5 No. 1 (2021): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i1.63

Abstract

Alcohol factory waste which still contains a number of nutrients when enriched with manure is good enough to increase the growth and yield of chili. This research was conducted in Jengglong, Jatisobo Village, Polokarto District, Sukoharjo Regency which took place from September 2019 to January 2020. This study used a completely randomized design with two factors and three replications. The first factor consists of 3 levels of Liquid Organic Fertilizer: waste alcohol + EM4, waste alcohol + EM4 + goat manure, alcohol waste + EM4 + a combination of 3 manure (chicken, goat, cow). The second factor dosage of liquid organic fertilizer consists of 4 levels: 0, 1000, 2000, 3000 l/ha. The results of the study showed that the kind and dosage of liquid organic fertilizer enriched with manure did not significantly affect the growth and yield of chili, but the interaction of the two treatments had a significant effect on the yield of chili. The highest weight of red chili was obtained in the treatment of waste alcohol + EM4 + a combination of 3 manure (chicken, goat, cow) with a dose of 3000 l/ha. In conclusion, the use of alcohol waste for fertilization, especially chili plants, should be combined with manure in order to obtain maximum results. The implication of this research is that for fertilizing chili plants, it is better to use alcohol waste, EM4 and a combination of chicken, goat and cow manure at a dosage of 3000 l/ha.
Programme And Model For Institutional Development of Tobacco Area Based On Farmer Corporation In East Java R. Achmad Djazuli; Mahrus Ali; Yeni Ika Pratiwi; Garist Sekar Tanjung
Agricultural Science Vol. 5 No. 1 (2021): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i1.64

Abstract

Tobacco as one of the plantation crop commodities can contribute to state income, but on the other hand there are many things that become obstacles for farmers in increasing production and business income, there is no government support in controlling tobacco marketing patterns, there is no cooperative relationship between farmers and tobacco companies that mutual benefits, as well as some problems in tobacco farmer institutions. Research purposes To find out the current condition of East Java tobacco farmers, model for the tobacco area based on farmers' corporations in East Java and program in realizing a model for developing tobacco plantation areas based on smallholder corporations in East Java. The research objectives are: (1) to determine the current condition of tobacco farmers in East Java, (2) to develop an institutional model for tobacco plantations based on farmers' corporations, and (3) to develop programs to realize a model for developing tobacco plantation areas based on farmers' corporations. The data analysis method used in this study is trend analysis, description analysis. Research Results: Program implementation requires coordination and cooperation of various parties related to tobacco. Furthermore, at each stage of implementation, it is necessary to carry out periodic evaluations to find out the shortcomings so that adjustments and improvements can be made at the next stage and it is necessary to follow the rules that have been agreed upon in the memorandum of agreement.
Strategy for Optimizing Coastal Village Communities in Supporting the Protection of Essential Ecosystem Areas in Gresik Regency R. Achmad Djazuli; Garist Sekar Tanjung; Kurniawan Ramadhani; Mochammad Afif Lutf
Agricultural Science Vol. 5 No. 1 (2021): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i1.65

Abstract

This study aims to (1) identify the behavior of local communities in the use of mangrove forests, (2) analyze the factors that influence the utilization of mangrove forests, and (3) develop strategies for optimizing the use of mangrove forests in the context of empowering coastal communities and preserving the environment. The research location was determined purposively, namely in Ujung Pangkah District, Gresik Regency as one of the areas designated as Essential Ecosystem Areas (KEE). The analytical method used is descriptive analysis. The results showed that (1) the characteristics of the damage to mangrove forests in the area were changes in the function of the area due to the conversion of community functions into cultivation areas, (2) the factors that influenced the success of mangrove conservation as KEE, namely: (a) socio-economic conditions and the culture of the community is the same, namely the level of education and income of the community is relatively low, (b) the function of community institutions is not optimal (c) local wisdom and local resilience, (d) community perceptions of the mangrove ecosystem are less positive on sustainability, (3) strategies that can be implemented among others (a) Increasing the quantity and quality of human resources (b) socio-economic development of the community, (3) optimizing the functions of formal and non-formal institutions of society, and (4) procuring laws and regulations

Page 6 of 14 | Total Record : 136

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