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Faculty of Agriculture, Merdeka University Surabaya JL. Ketintang Madya VII/2 Surabaya
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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. 4 No. 2 (2021): March" : 8 Documents clear
Analysis of Kulin KK LMDH Sumber Lestari Based Agroforestry Social Partnership Program in BKPH Tulungagung Mardiani Dian; Ahsin Daroini; Supriyono
Agricultural Science Vol. 4 No. 2 (2021): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

Forest Village Community Institution (LMDH) "Sumber Lestari" was formed after the emergence of the Community Forest Management (PHBM) program in 2004. Geographically, samar village is a forest stakeholder village and nearly 45% of Samar village is a state forest area. The research objectives are; 1) Analyze the extent to which the Forestry Partnership Program (Kulin KK) LMDH Sumber Lestari is implemented in the Agroforestry-based social forestry program scheme at BKPH Tulungagung. 2) Analyze the economic benefits felt by Perum Perhutani and the surrounding community (LMDH) by implementing the LMDH Sumber Lestari Forestry Partnership Program (Kulin KK) in the Agroforestry-based social forestry program scheme at BKPH Tulungagung. The research method used is descriptive analysis. Descriptive analysis is used to describe the characteristics of the research area, the characteristics of the respondents, the socio-economic characteristics of the community, the analysis of forestry partnerships. The research results are as follows; From the pine stand commodity (sadapan), the income was Rp. 5,061,600,000, coffee Rp. 23,625,000, commodity porang Rp. 25,300,000,000, commodity empon-empon Rp. 62,764,000,000, and Rp. total revenue was 94,873,377,500. Of the total income, there is no profit sharing with Perum Perhutani KPH Kediri, with provisions for stand management (tapping pine), distribution is carried out at a ratio of 75: 25 where 75% of Perum Perhutani KPH Kediri, while 25% is owned by LMDH Sumber Lestari farmers. As for agroforestry commodities, the ratio is divided into 70: 30 with a record that 70% of LMDH Sumber Lestari farmers and 30% are Perum Perhutani KPH Kediri.
Supplying Liquid Organic Fertilizer (POC) With Organic Waste Materials On The Growth And Product of Lettuce (Lactuca Sativa L.) Bambang Gunawan; Nurul Huda; Andri Mulyono
Agricultural Science Vol. 4 No. 2 (2021): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

Liquid organic fertilizers can come from feces (animals, humans), agricultural waste, agricultural processing waste, household waste, urban waste, and production waste. Waste in general is a case of environmental pollution which can cause environmental problems and deteriorate health for the community, this is caused by liquid waste obtained from various industrial activities, hospitals, markets, households, especially in food industry waste, because in the process it still leaves elements that can become part of the process water and discharged into the environment. The use of various wastes to become organic fertilizers is an effort to overcome the problem of environmental pollution, with high organic matter, waste can act as an organic source of food by microbial growth. The purpose of this study was to determine the various POC materials from organic waste that would have a better effect on growth and yield in lettuce plants. Based on the results of the study, it can be concluded as follows:There is a significant effect on plant length variables on wet weight per plant with R Square of 0.69884 (69.88%) at 28 days of age observation and number of leaves with R Square of 0 , 7025 (70.25%) at 35 days after transplanting and there was a significant effect of the K3 treatment (POC 12%), plant length and number of leaves on the wet weight per plant which gave a higher value than the K1 and K2 treatments with Adjusted R Square of 0.935293 (93.53%); but statistically not significant difference with treatment K2 (POC 8%) with Adjusted R Square of 0.706472 (70.65%).
The Utilization of Sediment Mud In Water Channel And Urban Organic Compost Waste For Sunflower (Helianthus Anuus L.Var. Early Russian) Cultivation Dwi Haryanta; Fungki Sri Rejeki
Agricultural Science Vol. 4 No. 2 (2021): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

This research aims to analyze the response of sunflower plants which planted in sediment mud from water channel media and urban organic compost waste. This research conducted by applying T1: river sediment mud, T2: pond sediment mud, T3: highway water channel sediment mud, T4: sediment mud of residential sewerage, and T5: garden soil as a comparison factor. While the treatment of second factor are amount (dose) of urban organic compost waste, namely B0: 0% compost as control, B1: 10%, B2: 20%, and B3: 30% compost. The experiment using a randomized block design is repeated three times. The experimental unit is a plant in a 50 cm diameter polybag that filled by 40 cm mud as media, filled with media as high as 40 cm. There are 60 sunflower plants for experiment. The results shows that there is no interaction between the treatment factors of sediment mud in water channel with the provision of municipal compost waste for all research variables. The treatment of sediment mud in water channel including the use of garden soil as a comparison factor is not significantly affect all research variables. As the result, sediment mud in water channel could be used as a substitute for garden soil. The treatment of urban organic compost waste has a significant influence on growth variables, they are increasing plant height, leaf number, leaf size, stem diameter, flower diameter, and shortening flowering life (7 days). The treatment of urban organic compost waste does not influence toward the production variables, which include plant height, flower bunch weight, seed weight, and seed yield toward flower bunches.
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%).

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