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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. 5 No. 2 (2022): March" : 8 Documents clear
A Comparative Study of Foliar and Soil potassium Fertilizer on Growth and Yield of Strawberry Cultivated in Non-Heated Greenhouses Chnoor Yousif Shkwr; Hawzhin Khalid; Nigar Majeed
Agricultural Science Vol. 5 No. 2 (2022): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i2.68

Abstract

This study has been conducted in the non-heated greenhouse of the of  Protected  agriculture department of the Bakrajo Technical Institute of -Sulaymaniyah Governorate during winter season of  2019  The purpose of this study to determine the effect  of soil fertilization  and foliar application  of potassium   with different  rates  ( 0  as control , 1.5 , 2.5  and 3.gm/L ) on strawberry  cv.  Rubygem growth and yield. The parameters recorded  were  number of leaf  per plant, number of flower per plant, number of fruit per plant, weight of fruit  (gm), total acidity %  of fruit (T.A) and total soluble solid (TSS) of the fruit. According to the results of most of the parameters of this study the foliar application of the fertilizer (K) is better than applying the fertilizer of soil in most parameters. The highest value of number of leaf, flower, fruit and fruit weight gained from potassium in rate 1.5gm/L in both methods. While the highest value of total soluble solid (T.S.S) obtained from 3.5gm/L which was %12.87, and the highest value of T.A was significantly gained from the control which was % 0.51. As regards to interaction between soil and foliar fertilizer, the highest number of leaf was gained from control  at foliar application without  any significant value with  the other rates, and the highest significant value in number of flower was gained from 1.5gm at foliar application. While the highest value of fruit weight was gained from foliar application with 3.5gm and soli fertilizer with 1.5gm of potassium without any significant value between the two treatments which are 21.72gm and 20.12gm successively, and the highest significant value of total acidity was gained from control at foliar application which is %0.54. As regards to total soluble solid the highest significant value was obtained from 3.5gm in soil fertilizer which is %14.25.  
Utilization of Household Organic Waste As Solid Fertilizer With Maggot Black Soldier Fly (BSF) As A Degradation Agent Deffi Ayu Puspito Sari; Darmono Taniwiryono; Richa Andreina; Prismita Nursetyowati1; Diki Surya Irawan; Aqil Azizi; Prima Hadi Putra
Agricultural Science Vol. 5 No. 2 (2022): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i2.69

Abstract

Household waste still becomes a national problem as it causes air, soil and water pollution and disturbs aesthetics. For this reason, comprehensive and integrated waste management from upstream to downstream needs to be carried out in order to provide economic and health benefits for the community and be safe for the environment. Organic waste processing can be performed using black soldier fly (BSF). BSF is a type of fly that can eat household organic waste, making this fly is widely used as an alternative to processing organic waste, especially from households. This research uses an experimental method of cultivation scale and produces a by-product in the form of solid fertilizer which then compared with the Decree of the Minister of Agriculture of the Republic of Indonesia No. 261 of 2019 concerning Organic Fertilizer, Biological Fertilizer and Soil Improvement. From laboratory tests, the parameters of C-organic, C/N, by-products, pH, macronutrients, heavy metals, micronutrients, and biological analysis met the quality standards.
Efforts to Encourage Development of Sustainable Modern Agriculture Through Empowerment of Farmer Group Khoirul Anam; Teguh Soedarto
Agricultural Science Vol. 5 No. 2 (2022): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i2.70

Abstract

Modern agriculture activities by intensively cultivating land and the massive use of fertilizer and pesticide have been shown to significantly increase agricultural productivity. However, modern agricultural systems have a serious impact on environmental damage, so it is necessary to develop modern agricultural systems that are environmentally sound and sustainable. This agricultural system can be successful if it is supported by all stakeholders, especially the Farmer Groups as a forum for farmers in their agricultural activities. The powerlessness of farmer groups in managing their members and their farms can be the cause of the failure of sustainable development of modern agriculture. This study aims to describe and analyze efforts to encourage the development of a modern sustainable agricultural system through the empowerment of farmer groups. This research was conducted with a qualitative approach based on literature studies from several journals and the results of previous research. The study results indicate that empowerment of farmer groups is the right way to increase the participation of farmer communities in the development of sustainable modern agriculture. The empowerment process carried out with the awareness, capacity and empowerment of farmer groups can increase awareness, ability, expertise and strength to take advantage of their potential. In the empowerment activities, it is necessary to empower actors from local government, community leaders and farmer group leaders who can act as motors and motivators. In addition, it is necessary to anticipate the inhibiting factors and the supporting factors that can encourage farmer group empowerment activities.
The Effect of Genotypes and plant distances on leaf miner infestation in pea plant (Pisum sativum L.) Havall M. Ahmed; Bakhan Kh. Mohammed; Nadyah S. Wali
Agricultural Science Vol. 5 No. 2 (2022): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i2.71

Abstract

Green pea plants are liable to infestation by vegetable leaf miner Liriomyza spp. (Diptera: Agromyzidae) ,is a polyphagous species spread around the world, becoming vegetable crop pests.  An experiment was carried out in the directory of agricultural research, Iraq, Sulaimanyah in Plant Protection Research Station in Bakrajo region during season 2020 to study the effect of different genotypes and planting spaces on the population density of Leaf miner infesting pea plants. The obtained results revealed that the population density of leaf miner on pea plants not differed significantly according to the planting spaces (5cm, 15cm and 25cm) during the season. Planting of pea seeds in the planting space (5cm) population density of leaf miner decreased by the first planting space (%16.895). The pea plants were sown in the planting space (15cm) infested by the highest level of the insect (leaf miner) (%18.452) followed by pea plants sowing at the planting space (25cm) which infestation level was (%17.967) respectively. for the physical characters of the plant (plant high, total weight and weight of 100 grains) the results shows that the sowing pea in the spacing of (15cm) were significantly difference, followed by (5cm) while planting distance of (25cm) showed lowest levels of result for last three parameters.
Competence of Agricultural Extension An Effort To Increase Agricultural Productivity In Sidoarjo Faisol Humaidi; Teguh Soedarto
Agricultural Science Vol. 5 No. 2 (2022): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i2.72

Abstract

Sidoarjo Regency is one of the agricultural production areas, especially vegetables and is the largest supplier to Surabaya. The high productivity of agriculture cannot be separated from the role of agricultural extension workers who are spread in most sub-districts in Sidoarjo Regency. The purpose of this research is to measure the performance of agricultural extension workers in order to increase agricultural productivity, especially vegetables in Sidoarjo Regency. This research method uses descriptive, analytic and correlational approaches. A good extension policy strategy that can increase agricultural productivity is carried out by increasing programs related to institutions, quantity and quality of Agricultural Extension Officers and improving farmer group institutions. With this policy strategy, it can improve the quality of Agricultural Extension through education and training, as well as empowerment farmer groups by improving programs related to institutions, quantity and quality extension workers and institutional improvement of farmer groups. The results of the study show that the performance of Agricultural Extension Officers in the context of increasing agricultural productivity is in the very good category.
Comparison of Some Agronomic Character and yield of Triticale (X Triticosecale Wittmack) lines at Halabja and Qlyasan Regions of Kurdistan/Iraq Chnar Hama Noori Meerza
Agricultural Science Vol. 5 No. 2 (2022): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i2.73

Abstract

The main aim of this study was to determine the optimum line of triticale (X Triticosecale Wittmack)  and best location for cultivating. The experimental design used in this study was randomized complete block design with two replications. In this study  29 lines of triticale were applied to assess some agronomic character (Plant Height (cm), No. of Days from Seeding to 50% Anthesis, No. of Days from Seeding to Physiological maturity, No. of Days from 50% Anthesis to Physiological maturity, No. of Fertile Tiller/Plant ), yield character (Grain Yield (t/ha), Biological Yield (t/ha) and Harvest Index). Plowing methods were used twice for the area of the study in each region. In Qlyasan region sowing started on 21 December and on 25 December in Halabja region.  A total of 29 triticale lines developed from the hybridized winter triticale lines were used with a set name of 41ITYN and was taken from The International Maize and Wheat Improvement Center (CIMMYT). The 29 triticale lines consisted of (802, 803, 804, 805, 806, 807, 808, 809, 810, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829 and 830). The result illustrated that ) the maximum plant height, No. of Days from Seeding to 50% Anthess, No. of Days from Seeding to Physiological maturity, No. of Days from 50% Anthesis to Physiological maturity  and No. of Fertile Tiller/Plant was observed in lines (804, 809, 830, 827 and 807). The highest agronomic character was observed under cultivation of triticale in the  Halabja location. The maximum Grain Yield (t/ha), Biological Yield (t/ha) and Harvest Index was observed in lines (802, 828 and 827). Cultivation of the plant in Halabja region also gave the highest yield.
Effect of Giving Organic Waste-Based Poc To The Growth of Kailan Plants (Brassica Oleracea L) Yeni Ika Pratiwi; Nurul Huda; Eko Wahono
Agricultural Science Vol. 5 No. 2 (2022): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i2.75

Abstract

This study combined the use of variable doses of liquid organic fertilizers made from organic waste, wich a Factorial experimental study that uses a Randomized Group Design (RAK) consisting of 2 treatment factors. Factor I treatment is a type of POC raw material consisting of 7 levels: P0= Comparison without the provision of liquid organic fertilizer, but given basic fertilizer; P1= Given POC made from a mixture of materials 2 to 7; P2=Given POC made from vegetable waste (tomatoes and mustard);  P3= Given POC made from waste fruits (bananas and papaya); P4= Given POC made from germinated waste; P5= Given POC made from waste food catering; P6= Given POC made from catfish waste;  P7= Given POC made from animal slaughterhouse waste (cow's blood). The treatment of Factor II is the concentration of POC giving includes 3 levels, namely: K1= POC concentration of 4%=40 ml/ liter of solution; K2= POC concentration of 8%=80 ml/liter solution; K3= POC concentration of 12%=120 ml/liter of solution. The parameters of observations made on kailan plants include: the number and length of the plant. By comparing the concentration treatment of K1, K2 and K3 mentioned above, the K2 treatment (concentration of 8% POC) exerts a better influence than the treatment of K1 and K3, although it is not real from the K3 treatment. This shows that the use of POC made from organic waste with a concentration of 8% POC provides a significant influence that can play a role in increasing soil fertility and plant productivity.
Soya Yoghurt Organoleptic Test With The Addition of Rosella Flower Extract Rusyda Afifah; Amelia Nirmalawaty; Tiurma Wiliana Susanti Pandjaitan
Agricultural Science Vol. 5 No. 2 (2022): March
Publisher : Faculty of Agriculture, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/agriscience.v5i2.76

Abstract

The unpleasant aroma of soy juice drinks causes not everyone to like it even though they know that the drink is healthy. Several studies have carried out efforts to overcome this condition, such as adding aromas, flavors, and fermentation. In this study, the effort to eliminate the unpleasant aroma was carried out through the fermentation process of soybean juice into soya yogurt accompanied by the addition of rosella extract. There are six levels of addition of rosella flower extract, namely from R0 (0%), R1 (10%), R2 (15%), R3 (20%), R4 (25%), and R5 (30%), with a fermentation process the same one. An organoleptic test was conducted on 30 selected panelists who like yogurt. The test uses a hedonic scale of 5 responses (very much like, like, quite like, dislike, and do not like). This study found that the addition of rosella flower extract eliminated the unpleasant aroma of soybean juice and the distinctive aroma of yogurt, thereby reducing consumer preference responses. The panelist's highest preference for color was in the R5 treatment. The addition of too much rosella extract concentration will cause the soy yogurt taste to be too sour, so the addition of rosella extract is recommended to be sufficient at 10% - 20%.

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