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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 7 Documents
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Search results for , issue "Vol. 3 No. 1 (2019): September" : 7 Documents clear
Analysis of growth And Plantbaby Kai-Lan(Brassicaalboglabra L.)The Use of Various Doses of Fertilizer Urea Bambang Wicaksono Hariyadi; Nurul Huda; Nurlina
Agricultural Science Vol. 3 No. 1 (2019): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

One important factor in cultivation that supports the success of plant life is the problem of fertilization. A common problem that occurs in fertilization is the low efficiency of nutrient uptake by plants. The efficiency of fertilizing nitrogen (N) and potassium (K) is relatively low, ranging from 30-40%. The efficiency of phosphorus (P) fertilization by plants is also low, around 15-20% (Rukmana, 2002). Efforts to improve the efficiency of fertilizer use can be pursued through the principle of the right type, the right dose, the right way, the right time of application and balanced according to the needs of plants (Syafruddin et al, 2009). The purpose of this study was to determine the extent to which the effectiveness (appropriate) use of urea fertilizer (nitrogen sources) on plant growth and yield Baby Kailan (Brassica alboglabra L.). The study was conducted in the Experimental Garden of the Faculty of Agriculture, Merdeka University Surabaya, on Jalan Ketintang Madya VII-2 Surabaya, East Java with a height of ± 5 m above sea level, carried out from March to April 2019. This study used a Randomized Group Design (RBD) consisting six (6) treatments with three (3) replications and two (2) sample plants. As for the treatment given, namely the dose of urea fertilizer consisting of six (6) doses, namely: A = No Urea Fertilizer (Control); B = 75 kg / ha Urea Fertilizer (0.15 gram per plant); C = Urea fertilizer 150 kg / ha (0.30 gram per plant); D = Urea Fertilizer 225 kg / Ha (0.45 gram per plant); E = Urea fertilizer 300 kg / ha (0.60 gram per plant); F = Urea Fertilizer 375 kg / Ha (0.75 gram per plant) The results of the study show that the use of urea fertilizer has a very significant effect on the variable plant length, number of leaves and the wet weight of baby kailan plants. Effective (appropriate) dosage in the use of urea fertilizer during growth and yield of baby kailan plants tends to be achieved with urea fertilizer dosages of 300 kg per hectare (0.60 gram per plant), although the highest growth and yield tends to be indicated by urea fertilizer dosages 375 kg per hectares (0.75 grams per plant), because statistically (LSD 5%) between the two treatments the dose of urea fertilizer was not significantly different.
Change Pattern of Land Use of Jabodetabek Area Through Irio and Dimamic System Approach Yunus Arifien; Ernan Rustiadi
Agricultural Science Vol. 3 No. 1 (2019): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

The objectives of this research are to examine: (11) patterns of land use change in Jabodetabek and (2) the inter-sector and inter-spatial linkage models in changes in agricultural land use.. The research was conducted by using the analysis of Geographic Information System (GIS), Inter Regional Input-Output (IRIO) and dynamic systems. The result shows that land use change from agricultural land into built up area during 1972-2017 where the built-up area in Jakarta becomes wider with the periphery becomes larger by following of the area where the transportation infrastructure has been built well through rail road or toll road, artery road and Jakarta outer ring road. The change of land use is also influenced by economic linksages among Jakarta Province, Bogor-Depok-Tangerang-Bekasi (Bodetabek) region, and outer of Jabodetabek region. In general, scenario model 2 is the best choice, which provides an impact on the best land use change and the increase impact of economic growth.
Intercropping System for Growth and Yield in Local Varieties of Madura Mahrus Ali; Sri Purwanti; Sri Hidayati
Agricultural Science Vol. 3 No. 1 (2019): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

This study aims to determine the growth and yield of Madura corn and Peanut with the intercropping system Sari. This study uses an experimental method (true experiment), defined as the method used to look for the effect of certain treatments on others under controlled conditions. In this case the writer uses the control class as a comparison so this study can also be called a pure experiment. The results showed that the best on Growth Results and Yield with intercropping system was local corn while the peanuts were not so good. Because at the time of harvest corn is harvested earlier than peanuts.
Analysis of Red Onion Supply (Allium Ascalonicum L.) In Sumenep District Fatmawati; Moh. Kurdi
Agricultural Science Vol. 3 No. 1 (2019): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

This study was conducted to determine the factors that affect the supply of onion, such as onion price factors, prices of onion seeds, the total acreage of production factors, and the supply elasticity of onion. Location research done by purposive, although not Sumenep onion production center in East Java, but Sumenep has the potential for the development of onion production with planting area 429.99 ha, with production quantities 5258.89 tons and productivity levels 12, 23 tons/ha. The method used in this research is quantitative data analysis. Based on the test results simultaneously (together) this indicates that the observed variables are the variable price of onion (Hb), the variable cost of seed onions (HBB), variable production number (Prod), and variable acreage (La) together are very significant to the offer of onion (Qs) in Sumenep. For the partial test results (one by one), the variable price of onion (Hb) is very significant to the offer of onion (Qs) at an error rate of 5% and a rate of 1% mistake. As for the variable production number (Prod) individually at 5% significant real impact on red onions deals (Qs) in Sumenep. For the variable price of seed onions (HBB) and variable acreage (La) did not significantly affect red onion deals (Qs) in Sumenep. Based on the results of the analysis of the supply elasticity of onion in Sumenep of 2018 s / d in 2019 is equal to 0,
Germination variety Test Two Plantcane (Saccharum Officinarum L.) The Use of Breeding Mule Shoots With Different Eyes Lay Yeni Ika Pratiwi; Fauziatun Nisak; Bambang Wicaksono Hariyadi; Nurul Huda
Agricultural Science Vol. 3 No. 1 (2019): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

The number of clumps per hectare is influenced by the percentage of germination of kinds of seeds used (Tamelsilva, 2006). Increasing the production of sugar cane as a raw material for sugar is absolutely necessary. One of the causes of the decline in sugarcane productivity is the problem in the use of seeds, such as sugarcane seeds used by farmers who are less qualified (Iskandar, 2005). The study was conducted at the Experimental Garden of the Faculty of Agriculture, Merdeka University, Surabaya, in March-April 2017. Using a Randomized Block Design (RBD) consisting of six treatment combinations with three replications and two sample plants. As for the combination treatment, as follows: A (Variety LPS-864 and Buds Buds section 20); B (Variant LPS-864 and Mata Tunas Middle-segment-14); C (Variety of LPS-864 and Mata Tunas at the base of Section-08); D (Variety of LPS-891 and Buds section of Section-20); E (Variant LPS-891 and Mata Tunas Middle-segment-14); F (Variety of LPS-891 and Mata Tunas at the base of segment-08). The results showed that the treatment of the combination of the location of the buds and varieties significantly affected the observation of the number of leaves, but the effect was very significant on the variable of germination speed and length of the plant and the wet weight of the plant. Combination treatment of bud location on segment-20 (shoots) on the sugar cane varieties LPS-891 and cane varieties LPS-864 showed the best results on all observational variables, although the highest results always indicated the location of bud-section 20 buds (shoots) on sugarcane varieties LPS-891, but statistically not significantly different.
Organoleptic Test On Some Flour Substitutions As A Basic Alternative Selection of Functional Cookies Flour For Patients With Type 2 Diabetes Anita Wulandari; Wahyu Kanti Dwi Cahyani
Agricultural Science Vol. 3 No. 1 (2019): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

Diabetes Mellitus (DM) became the biggest problems common in developed and developing countries including Indonesia. Estimates WHO that in 2025, Indonesia will be ranked 5th in the world. The triggering factors for DM are unhealthy and proper eating patterns. Snack is a habit of Indonesian people, namely snacking on food to accompany all their activities. One snack that is commonly consumed is cookies. Cookies are made from the main ingredient of wheat flour and supporting raw materials. The purpose of this study: 1) Conducting sensory tests to determine the level of consumer preferences on cookies brown rice, corn, soybeans, purple yam, and basil; 2) Obtain formulations on all types of flour that are suitable for making cookies. The research will be carried out at University 17 August 1945 Surabaya Laboratory. The organoleptic test analysis method uses excel analysis. The analysis carried out consisted of sensory analysis and proximate analysis. The results of sensory analysis of cookies favored by consumers starting from taste are in the control treatment, A2, B2 and C1. The color of cookies favored by consumers are control, A4, B1, B2, B3, C1, C2, C4, and D2. Aroma cookies preferred by consumers are control, A2, B1, B2, B3, C1, and C3. The cookies that are preferred by consumers are control, A2 and B1. While cookies that are not preferred by consumers in terms of taste are A4, B4, C3, D1, E1, E2, E3, and E4, the colors are D3, D4, E1, E2, E3, and E4, the aroma is treatment B4, D3 , D4, E1, E2, E3, and E4, and the impression in the mouth is the treatment of B4, C2, C4, D3, D4, E1, E2, E3, and E4.
Analysis of Water Quality Based On Phytoplankton Abundance And Number of Nutrients Deffi Ayu Puspito Sari; Rahma Dewi Hutami; Aqil Azizi; Sirin Fairus
Agricultural Science Vol. 3 No. 1 (2019): September
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

The process of development has effect on the existing water catchment area, currently the normalization of the water area is being carried out. The water body is passed by various kinds of waste; domestic and industrial waste, causing water bodies to contain nutrients. Nutrients are a food source for existing phytoplankton. The amount of nutrients and phytoplankton affects the level of fertility and trophic status of each of these water bodies. Samples were collected from Epicentrum Pond, Lake Sunter, Citra Lake 6, Lake Citra 8, Setu Rawa Badak Jatijajar, and Situ Cilodong. The result shows that are samples classified in the class II water quality category according to PP No. 82/2001. The classification is based on the concentration of pH parameters, Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), Phosphate and Nitrate. While the classification of aquatic fertility is based on the abundance of phytoplankton. The result shows that Epicentrum Pond, Lake Sunter, Lake Citra 6, Lake Citra 8, and Setu Rawa Badak Jatijajar are included in mesotrophic, while for Situ Cilodong are included in oligotrophic. For the classification of trophic status according to PERMENLH No.28/2009 (based on the parameters of nitrate, phosphate and chlorophyll-a), the Epicentrum Pool is included in the oligotroph to eutroph. Whereas for Lake Sunter, Setu Rawa Badak Jatijajar, and Situ Cilodong are included in oligotrophs to mesotrophs. And for Lake Citra 6 and Danau Citra 8 have trophic status from oligotrophs to hypereutrophs.

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