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Agrotrop : Journal on Agriculture Science
Published by Universitas Udayana
ISSN : 2088155X     EISSN : 26544008     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Journal AGROTROP
Arjuna Subject : -
Articles 17 Documents
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Search results for , issue "Vol 13 No 3 (2023)" : 17 Documents clear
Hubungan Keanekaragaman Mesofauna Tanah dengan Kadar Bahan Organik di Hutan Sekunder Desa Candikuning Silva, Lizeti Frania Da; Kesumadewi, Anak Agung Istri; Atmaja, I Wayan Dana
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p17

Abstract

Relationship of Soil Mesofauna Diversity with Organic Little in Secondary Forest in Candikuning Village. Soil mesofauna play important role in maintaining and supporting soil fertility of natural forest. Their population, diversity, and function influenced by organic residues and inhibit by disturbance on the habitat, i.e., forest fragmentation. A field study to confirm the differences of soil mesofauna diversity and its relation to organic matter content among fragmented secondary natural forest in Candikuning village had done on February – April 2022. Study site was four fragmented secondary forest in Candikuning Village, i.e., Botanical Garden in Bedugul, secondary Geothermal natural forest, secondary natural forest impacted by short-cut development, and Village Binggo forest. Every 15 composite soil sample and organic residue had taken from minipit on each secondary natural forest followed by 3 replications. Soil mesofauna was extracted using berlesse-tullgren and lighted by 45 watt led lamp for 48 hours. Morphological identification of the soil mesofauna showed that 5 orders, 12 families, 15 genera, and 15 species were found on the study site. Soil mesofauna dominance index in shortcut forest, Bedugul botanical garden forest, and geothermal forest was low (D = <0.3), which is between 0.05-0.22. The soil mesofauna diversity index in shortcut forest, Bedugul botanical garden forest, and geothermal forest was medium (H` = 1-3), which is between 1.64-2.30. The evenness index of the soil mesofauna at all research sites was high (E = > 0.6), which was between 0.70-0.98. The correlation of organic matter with soil mesofauna only significantly positive to Hemiptera in Geothermal Forest.
Pengaruh Jenis Biochar dan Kompos terhadap Aktivitas Mikroorganisme Tanah Soniari, Ni Nengah; Sutari, Ni Wayan Sri; Pradnyawathi, Ni Luh Made
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p08

Abstract

The Effect of Biochar Types and Compost on Soil Microorganism Activities. This research was carried out at the plastic house of Pasraman Unud Jimbaran from January to June 2021. The type of biochar used come from waste materials such as bamboo, rice husks, coconut shells, and corn cobs, while the compost was selected according to Indonesian National Standards. The purpose of this study was to determine the biochar material from several wastes combined with compost in supporting the activity of soil microorganisms as well as the N, P, K, pH and C-organic soil. The experimental design used in this study was a Simple Completely Randomized Design with 9 treatments and 3 replications so that it became 27 experimental units. The experimental treatments consisted of: B0 (control); B1 (1.5% rice husk biochar/ha); B2(1,5% biochar bamboo/ha); B3 (1.5% corncob biochar/ha); B4 (1.5% coconut shell biochar/ha); B5 (0.75% rice husk biochar + 0.75% compost)/ha; B6 (0.75% bamboo biochar + 0.75% compost)/ha; B7 (0.75% corncob biochar + 0.75% compost)/ha; B8 (0.75% coconut shell biochar + 0.75% compost/ha). Monitoring of media humidity is carried every 2 days and stirring once a week. Observations were made at the end of the incubation period (35 days) on soil respiration, C-organic, N-total and pH. The results showed that the highest activity of microorganisms occurred in the B6 treatment (0.75% bamboo biochar + 0.75% compost)/ha. The addition of (biochar + compost) to the soil gave a significantly different effect on organic C and total soil N.
Keanekaragaman Mesofauna Tanah pada Lahan Pertanian Sayuran Konvensional dan Organik di Kecamatan Baturiti Silalahi, Yohanna; Kesumadewi, Anak Agung Istri; Atmaja, I Wayan Dana
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p13

Abstract

Diversity of Soil Mesofauna on Conventional Agricultural Land and Organic in Baturiti Sub-District. A comparative descriptive research was carried out to determine the impact of conventional and organic vegetable cultivation systems on the diversity of soil mesofauna in Baturiti District. Each three replicates of soil samples were taken from 5 types of vegetable plants cultivated on conventional agricultural and organic agricultural lands. The samples were taken at a depth of 0-20 cm from purposive vegetable field. Soil mesofauna was separately extracted from each soil sample using the Barlesse-Tullgren extraction method with under 45 watt lamp for 48 hours. The morphology of the mesofauna was observed under stereo microscope. The research results show that the soil mesofauna on conventional agricultural land consists of 7 orders, 18 families, 19 genera and 22 species with a total of 31 individuals per m2, while on organic agricultural land there are 7 orders, 17 families, 20 genera and 23 species with the number of individuals was 45. The soil mesofauna dominance index in all research locations was low between 0.02-0.15. The soil mesofauna diversity index in all research locations is in the medium category, namely between 1.87-2.62. The evenness index of soil mesofauna types throughout the research location is in the high category, namely between 0.95-1.09.
Analisis Spasial Pengembangan Daya Tarik Wisata Berbasis Sistem Informasi Geografis di Desa Manikyang Kecamatan Selemadeg Kabupaten Tabanan Siddiqoh, Fiki Aisyah; Sardiana, I Ketut; Adi, I Gusti Putu Ratna
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p04

Abstract

Spatial Analysis of Tourist Attraction Development Based on Geographic Information System in Manikyang Village Selemadeg District Tabanan Regency. A tourist attraction is everything that has a unique attraction, interesting, high value, which can be a reason for tourists to visit a location. Manikyang village has tourism potential that has not been managed, tourism potential development has not been maximized, lack of utilization, management of natural resources and human resources so it has not been able to provide economic benefits for the community. Based on these problems, tourist attractions can be developed using spatial analysis based on Geographic Information System. The system performs tourist attraction analysis using spatial-based data and information. This study aims to identify the types and distribution of tourist attractions and analyze the direction of tourism attraction development in Manikyang Village. The method used is spatial analysis based on land use type, tourist attraction location points, facilities, and accessions. The results of spatial data processing and field surveys show that Manikyang Village has 6 natural tourism potentials, 4 artificial tourism potentials, and 3 cultural/religious tourism potentials spread across 5 banjar villages. The results show that Manikyang Village is suitable to be developed as a tourism themed Ecotourism and Religious Tourism with the tourism attraction development zone divided into a core zone covering an area of 19 ha (6.17%), a buffer zone covering an area of 277.38 ha (90.06%), and a support zone of 11.62 ha (3.77%).
Pengaruh Jenis Mulsa Organik terdahap Pertumbuhan dan Hasil Tanaman Kacang Tanah Diputra, I Made Martana; Rai, I Nyoman; Santosa, I Gusti Ngurah
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p09

Abstract

The Effect of Organic Mulch Types on Growth and Production of Ground Peanuts. The condition of agricultural land in Bali which is starting to decrease due to the conversion of land to non-agricultural purposes has resulted in land optimization being urgently needed so that food needs can still be fulfilled. Land optimization can be carried out on potential dry lands and which have not been widely developed. In Bali, Subak Abian is an area to develop agriculture in dry land but mostly to obtain perennial plants produce so there are no many annual plants are cultivated. Based on this, to meet the needs of food diversification can be carried out by optimizing the dry land, introducing ground peanuts as annual crop and using the application of mulch as an alternative method of overcoming water problems in dry land. This research was conducted with the aim of knowing the effect of applying organic mulch on growth and yield ground peanuts in dry lands. This research was conducted at Subak Abian Tirta Taman Sari Tanah Ayu, Sibang Gede Village, Abiansemal District, Badung Regency, Bali and several variables were carried out at the Laboratory of Agronomy and Horticulture and Soil Environment Science, Faculty of Agriculture, Udayana University. This study used randomized block design with organic mulch treatment consisting of three levels, M0, M1, M2. The results showed ground peanuts on the M2 treatment significantly gave the highest yield to the variable number of pods (17,61 pods), fresh stover weight (194,72 g) and dry stover weight (46,62 g).
Kelimpahan Populasi Hama Kutu Putih Phenacoccus manihoti Matile-Ferrero, Paracoccus marginatus Williams dan Granara De Willink (Hemiptera: Pseudococcidae) serta Kumbang Predator Scymnus Sp. (Mulsant) (Coleoptera: Coccinellidae) pada Ubi Kayu di Kabupaten Simare-Mare, Rut Megawati; Widaningsih, Dwi; Sunari, A. A. Ayu Agung Sri
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p14

Abstract

Population of Mealybugs Phenacoccus manihoti Matile-Ferrero, Paracoccus marginatus Williams and Granara De Willink (Hemiptera: Pseudococcidae) and Predatory Beetle Scymnus sp. (Mulsant) (Coleoptera: Coccinellidae) on Cassava in Badung Regency. Cassava (Manihot esculenta Crantz) is a food crop commodity as an important carbohydrate source in Indonesia. This study aims to determine the population of mealybugs P. manihoti and P. marginatus and the population of predatory beetles as natural enemies of plants. cassava in Bali. The research was carried out from December 2021 to February 2022 in Badung Regency, Kuwum village, Mengwi sub-district, Bali Province. The method used in the sample is a purposive sampling with method diagonally. The results showed that the abundance of mealybugs P. marginatus and P. manihoti was quite high with a population abundance of 949.4 and 466.6. The abundance of predatory populations of scymnus sp. classified as low where 3 predators were found in the Adira 1 variety and 2.4 predators were found in the Malang variety 6. The functional relationship between the mealybug population P. marginatus, P. manihoti and the predator Scymnus sp. had a positive relationship and strong with a coefficient correlation interval was 0.9219 for P. marginatus and 0.995 for P. manihoti.
Pengaruh Beberapa Jenis Lampu terhadap Hasil Tanaman Selada Keriting Hijau (Lactuca sativa L.) pada Plant Factory Rusmita, Gst Ayu Putu Ika Yulia; Suada, I Ketut; Wirawan, I Gede Putu
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p05

Abstract

Effect of Several Types of Lights on Yield of Green Curly Lettuce (Lactuca sativa L.) at Plant Factory. Light intensity is the most important factor in the process of plant growth, light sources that can be received by plants other than the sun can also use light. This research took place from March to April 2022. This research was conducted at the Plant Factory, Faculty of Agriculture, Jl. Moyo Island No. 16X, Pedungan, South Denpasar. In this research experiment the design used was a completely randomized design (CRD) with 6 types of lamp treatments, namely: LED grow light, white LED lamp, yellow fluorescent lamp, white fluorescent lamp, combination of white, yellow, far-red HPL lamps and white fluorescent lamps. HPL combination of red, blue, yellow and repeated 4 times. The results of statistical analysis showed that the type of lamp treatment had a very significant effect on all observed variables, except number of leaves, and root dry weight. The type of lamp treatment had an effect on the yield of lettuce grown at the plant factory and was indicated by the total fresh weight with a value of (171.50 g) and total dry weight with value of (5.09 g) which were significantly different from other treatments. The best type of lamp for lettuce growth and yield is the best yellow fluorescent lamp.

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