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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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Seed Scarification Test and ZPT Immersion on Germination of Watermelon Seeds (Citrullus Vulgaris Schard) Sri Hidayati; Sri Purwanti; Yeni Ika Pratiwi
Agricultural Science Vol. 2 No. 2 (2019): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

Purpose of this study was to determine the effect of the combination of seed scarification treatment and ZPT immersion on the power of watermelon seed germination; to find out the effect of treatment of seed scarification on watermelon seed germination; to find out the effect of ZPT immersion treatment on the power of watermelon seed germination. This experiment was carried out in the laboratory of the Faculty of Agriculture, Merdeka University, Surabaya. Place height of approximately 5 m above sea level. The experiment was arranged factorially in Randomized Block Design (RBD), consisting of two factors: Treatment of seed scarification with 2 levels of treatment and length of immersion of ZPT with 4 treatment levels. Each treatment combination was repeated three times and each combination treatment consisted of 50 seeds watermelon. Factor I is the treatment of seed scarification consisting of without stripping, and stripping Factor II which is the soaking time of ZPT which consists of without soaking; 10 minutes immersion; 20 minutes soaking and 30 minutes soaking. Observations were made every day until the germinated seeds did not germinate again (7 days after germination), observations made included: Germination rate, germination percentage, radicle length, plumula length. The results of statistical analysis showed that the overall combination of seed scarification and soaking of ZPT against watermelon seed germination had not yet given a real interaction effect. Separately the seed scarification treatment had a significant effect on root growth of watermelon sprouts, and did not affect the growth of plumula length, germination percentage and sprout speed, but ZPT immersion treatment significantly affected the percentage of germination, sprout speed, root length growth, and length of plumula growth. . The average percentage of germination, germination rate, length of the plumula and the length of the watermelon seed radicles were best obtained in ZPT immersion treatment with 30 minutes soaking time, which was then followed by other treatments.
Empowerment of Farmer Group Based On Rice Farming In Ponorogo District Mardan; Ahsin Daroini; Abu Talhah
Agricultural Science Vol. 2 No. 2 (2019): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

Empowerment is an effort to meet the needs of individuals, groups and the wider community so that they have the ability to make choices and control their environment in order to fulfill their desires, including their accessibility to resources related to their work in social activities. The purpose of this study are: a. determining the empowerment strategy of Rice Crop-based Gafarmer-group in Ponorogo District. b. analyzing the most suitable strategy applied to the empowerment of rice-based Gafarmer-group in Ponorogo district. This study uses a qualitative approach. Methods Analysis of the data in this study is an analysis sequence that constructs research conclusions that are ordered in order: IFE Matrix, EFE Matrix, SWOT and QSPM. The research results some alternatives sequence of rice-based Gafarmer-group’s empowerment strategies in Ponorogo district: [a] based on the SWOT matrix: (1) Strategies SO (Strength-Opportunity). Improving the strategy of managing agricultural land to accelerate the processing of extensive land using agricultural processing machines. (2) Strategies WO (Weaks-Oppurtunities). Rejuvenation of farmers by regenerating younger farmers by conducting training so that farmers are more competent. (3) Strategies ST (Strength-Threats). Improved strategy for controlling natural disaster landslides to control the amount of damage to agricultural land. (4) Strategies WT (Weaks-Threats). Improving infrastructure to facilitate farmer’s access. Based on QSPM matrix: The most suitable strategy to be applied in the empowerment farmer-groups of rice-based in Ponorogo District can be seen based on the analysis of the choice of strategies for the: 1). Rejuvenation of farmers by regenerating younger farmers by conducting training so that farmers are more competent. 2). Increased experience of farmer groups with training held by farmer-groups.
Effect of Dose And Time of Npk Fertilizer Application on The Growth And Yield of Tomato Plants (Lycopersicum Esculentum Mill) Bambang Wicaksono Hariyadi; Fauziatun Nizak; Intan Rohma Nurmalasari; Yeira Kogoya
Agricultural Science Vol. 2 No. 2 (2019): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

The purpose of this study is to examine the effect of the dose and time of NPK fertilizer application on the growth and yield of tomato plants (Lycopersicum esculentum Mill). The study was conducted from April to July 2018 at the Experimental Garden of the Faculty of Agriculture, Merdeka University Surabaya, on Ketintang Madya VII-2 Street Surabaya, East Java with altitude of ± 5 m above sea level. The study used Factorial Randomized Block Design (RBD) consisting of two factors with three replications and two sample plants. The first factor was NPK fertilizer doses (N1 = NPK 2 gr / plant; N2 = NPK 4 gr / plant; N3 = NPK 6 gr / plant) and the second factor was the time of NPK application (W1 = day 0; W2 = day 0-14; W3 = day 0-14-28). The results shows that the combination treatment of dose and application time of NPK has a very significant effect on plant height, number of leaves, total fruit number and total fruit weight of tomato plants. The combination treatment of N3W3 (NPK 6 gr / plant and day 0-14-28) appears to produce the highest growth and yield of tomato plants though, statistically (BNT 5%), this was not significantly different from the combination treatment of N2W3 (NPK 4 gr / plants and 0-14-28 days).
Analysis of Rice-Business Insurance Program (Autp) In Ponorogo District (Case Study In Agriculture And Fisheries Department of Ponorogo District Work Program 2018-2019) Samidi; Ahsin Daroini; Abu Talhah
Agricultural Science Vol. 2 No. 2 (2019): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

This research aimed: (a) to analyze the implementation of rice farm business insurance (AUTP) in the Ponorogo District Work Area; (b) to find out the factors that influence the implementation of the AUTP program in Ponorogo district; (c) to prove that the agricultural sector in Ponorogo district is a base and superior sector. This research uses a qualitative approach, where the reality under study is understood by a holistic approach and does not take measurements on certain parts of the reality. This study uses Internal Factor Analysis, External Factor Analysis, Klassen Typology and LQ (Location Quetiont) Analysis. The results of the research show that: (a) Implementation of AUTP in Ponorogo district cannot be said be maximal. This is reinforced by the results of the typology Klassen analysis in Ponorogo district in the "Inactive" category; (b) Based on the results of the analysis of internal factors in this study, it was found that the implementation of the AUTP program in Ponorogo district found weaknesses and strengths that influenced the responses of farmers in Ponorogo Regency. The agricultural sector in Ponorogo Regency is a base and superior sector. (c) Based on the results of the study it was found that the LQ (Location Quantient) value from 2016 to 2018 obtained the value of LQ> 1, this indicates that the agricultural sector becomes the base and superior sector in Ponorogo district. With the knowledge of agriculture as a base sector, inputs can be produced so that the agricultural sector remains the Ponorogo base sector.
The Effect of Tambsil Organic Fertilizer on The Growth And Results of Onion (Allium Ascalonicum L.) In Lowland Bambang Wicaksono Hariyadi; Nurul Huda; Nurlina; Mahrus Ali; Elsi Wandik5
Agricultural Science Vol. 2 No. 2 (2019): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

This study aims to determine the effect of tambsil liquid organic fertilizer on the growth and yield of onion and find out the optimum dosage. This is a Randomized Block Design (RBD) consisting of five (5) treatments with three (3) replications and two (2) sample plants. Treatment in experimental plot was conducted randomly. Tambsil liquid organic fertilizer consists of six (6) doses including DT0 = without Tambsil liquid organic fertilizer (Control); DT1 = Tambsil liquid organic fertilizer 2.0 ml/liter of water/plant; DT2 = Tambsil liquid organic fertilizer 4.0 ml/liter of water/plant; DT3 = Tambsil liquid organic fertilizer 6.0 ml/liter of water/plant; DT4 = Tambsil liquid organic fertilizer 8.0 ml/liter of water/plant; DT5 = Tambsil liquid organic fertilizer 10.0 ml/liter of water/plant. The dose of Tambsil liquid organic fertilizer provides significant effect on the observation variables of plant length, number of leaves, number of bulbs and gross weight per clump of onion (Allium ascalonicum L.). The dose of Tambsil liquid organic fertilizer (DT4) 8.0 cc per liter of water always shows the highest growth and yield of onion (Allium ascalonicum L.) while statistically, BNT 5% is not significantly different from the treatment of Tambsil liquid organic fertilizer (DT3) 6.0 cc per liter of water (optimum dose) and (DT4) dose of 10.0 cc per liter of water.
Application of Trichoderma Harzianum as Soil Treatment and Additional Treatment for Control of Potato Diseases Sutarman
Agricultural Science Vol. 2 No. 2 (2019): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya

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Abstract

This study aims to determine the effect of biofungicide application with Trichoderma harzianum as its active ingredient in the form of soil treatment and additional treatment which includes seed treatment, canopy surface spraying, and combined seed treatment and canopy spraying with Trichoderma biofungicides and active chemical fungicides mancozeb and cymoxanil, against leaf blight disease index caused by Phytopthora infestans, stover dry weight, healthy potato tuber weight, rotten tuber weight, and relative quality index of potato plant bulbs. Experiments were carried out in the Split-plot Design using a completely randomized design (CRD). The main plot is soil tretament biofungicide Trichoderma, including without soil tretament and with soil treatment. As plot saplings is an additional treatement of Trichoderma biofungicide, consisting of: chemical fungicide, seed treatement, canopy spraying, and spraying of canopy and seed treament. Each treatment was repeated 4 times, to obtain 32 experimental units. The variables observed were leaf blight disease index at the end of the vegetative phase, stover dry weight, healthy tuber weight, rotten tuber weight, and relative index of tuber quality. The results showed that the interaction of soil treatment and additional treatment of Trichoderma biofungicide had a very significant effect on the disease index of potato leaf blight, rotten tuber weight per plant, and relative index of quality of potato tubers, but did not significantly affect the dry weight of stover and tubers of healthy potatoes per plant. The combination of soil treatment and additional treatment resulted in a decrease in the disease index of 45.37 to 53.96%, a decrease in rotten tubers from 42.39 to 91.50%, and an increase in the percentage of relative index of tuber quality from 7.8 to 65.5% compared to only using fungicides made from mancozeb and cymoxanil.
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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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,

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