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Agrotechnology Research Journal

arj
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Published by Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

ISSN : 26557924 EISSN : 26147416 DOI : https://doi.org/10.20961/agrotechresj

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

The Agrotechnology Research Journal is a change of name from the Journal of Agronomy Research. This Journal is Published twice a year by Indonesian Agrotechnological/Agroecotechnological Society (IAAS/PAGI) in collaboration with Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret. This Journal accepts research articles, reviews, and important ideas in agriculture with the theme of Technology and management of Plant Production, Plant Breeding, Land Management Technology, and Plant Protection Technology.

Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)

Articles 140 Documents

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Kajian Metode Evaluasi Kesesuaian Lahan untuk Kakao di Kabupaten Bantaeng Anwar Anwar; Muliati Galib; Wahyuni M
Agrotechnology Research Journal Vol 3, No 2 (2019): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Land evaluation is an assessment of the potential of land resources. The results of land evaluation will provide information on the best use of it which will lead to expected value of production. This study aimed to determine the level of suitability of the cocoa plantations in Bantaeng Regency using the FAO and Sys methods; make a map of the actual and potential land suitability. The results of the analysis showed that the actual cocoa land suitability of the FAO method was presented in distribution points according to marginal (S3rn) with limiting factor of rooting media and nutrients availability. While the actual land suitability analysis of the cocoa Sys method was not suitable (N1cSf) with climate limiting factors, the soil physical properties and soil fertility. Based on the limiting factors the physical properties of the two methods, there were similarities in effective depth (FAO) and soil depth (Sys), S3 parameters according to FAO and N1 according to Sys. The limiting factor for the soil chemical properties of the two methods was also the same, the availability of S3 (FAO) nutrients, while the (Sys) method was the soil fertility N1.

Pertumbuhan Bibit Cabai pada Media Serbuk Gergaji Kayu Sengon dengan Perendaman Air Rabbani Hario Langgeng; Etik Wukir Tini; Budi Prakoso
Agrotechnology Research Journal Vol 3, No 2 (2019): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

The purpose of this research was to know the correct soaking period of sawdust media and growth of red chili seedling. This research was conducted at the screen house of the Faculty of Agriculture, University of Jenderal Soedirman, Banyumas, from April-May 2019. The method used was Randomized Completely Block Design. The treatments were consisted of media containing soil, sawdust without soaking, sawdust that has been soaked for 1 day, sawdust that has been soaked for 2 days, sawdust that has been soaked for 3 days, sawdust soaked for 4 days, sawdust that has been soaked for 5 days, sawdust that has been soaked for 6 days, sawdust that has been soaked for 7 days. Observed variables included plant height 14 days, root length, number of leaves, leaf length, leaf width, plant height 42 days. The results showed that germination and growth of seedlings of chili plants on sawdust media that had been soaked for 7 days had better plant height, root length, number and length of leaves than on soil media.

Selection and Formulation of Endophytic Bacteria as Plant Resistance Elicitor against Wilt Disease of Tomato Arika Purnawati; Wiwik Harjani; Herry Nirwanto
Agrotechnology Research Journal Vol 3, No 2 (2019): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Wilt disease of Solanaceae caused by Ralstonia solanacearum reduce the crop quality and negatively affect the crop product. The objective of this research was to discover of endophytic bacteria formulation that effectively decreases bacterial which cause wilt disease on Solanaceae. The research consisted of purification of Ralstonia solanacearum, endophytic bacteria were obtained from the sample and the screening of endophytic bacteria using this following assay: antagonist assay, seedling assay and in planta assay. The results showed that in antagonist assay, the bacterial isolate code PS1, PS2, and PS8 could inhibit growth of R. solanacearum. From the seedling assay, it obtained that all of the isolates increased of percentage of germination, seed coating and powder formulation can decrease disease incidence of bacterial wilt disease.

ANTAGONISME FUNGI ENDOFIT DAUN JARAK PAGAR (JATROPHA CURCAS) TERHADAP FUSARIUM OXYSPORUM C2 PENYEBAB BUSUK UMBI PADA BAWANG MERAH IN VITRO Nahdah, Fauziyyah; Sari, Noorkomala; Rizali, Akhmad; Wahdah, Rabiatul
Agrotechnology Research Journal Vol 4, No 1 (2020): Agrotechnology Research Journal
Publisher : Perhimpunan Agroteknologi/Agroekoteknologi Indonesia

Basal plate rot is a major disease on shallot caused by Fusarium oxysporum. Endophytic fungi is promising to use as antagonist agent to the pathogen. Endophyte is microbes that are living in plant cells and have an asymptomatic characteristic. Nowadays, fungal endophyte is believed to produce antimicrobial substances similar with their plant host's natural product. Jatropha curcas is one of the plants containing secondary metabolites that have antifungal activities. The research aimed to study the ability of endophyte from Jatropha curcas to inhibit the growth of Fusarium oxysporum. The dual culture method was used in this research and the data were analyzed by SPSS software. This antagonism test was conducted by 9 isolates endophyte and each plate consisted of 3 replicates. The result revealed endophyte fungal obtaining 9 isolates with the radial growth of 4,5 cm/2 days. Endophytes of Jatropha curcas L. were able to inhibit the growth of Fusarium oxysporum C2. The percentage of inhibition of Fusarium oxysporum causing of root blight diseases was controlled by up 38.27 - 74.48%. The highest percentage of inhibition is gained by B4b and the lowest of it is A2b. Our observations showed that each endophyte has a consistent linear trend. B4b still leaded as the highest strength to inhibit the growth of pathogen on the monitoring of 3, 5, and 7 days. Moreover, the ability of fungi endophyte from Jatropha curcas as antagonist agent to Fusarium oxysporum needs to be further examined by the in vivo method.

PEMANFAATAN LAHAN PASCA TAMBANG TIMAH DENGAN BUDIDAYA SAWI Lestari, Tri A; Apriyadi, Rion; Ulfa, Dewi Ratna
Agrotechnology Research Journal Vol 4, No 1 (2020): Agrotechnology Research Journal
Publisher : Perhimpunan Agroteknologi/Agroekoteknologi Indonesia

Culture crop technology with ameliorant and mulch can fulfill nutrients to improve growth of mustard on post tin mining land. This research aimed to know the effect of various ameliorant and mulch for growth of mustard on post tin mining land. The method used was experimental method with factorial completely randomize design with four replications. First factor was type of ameliorant, consist of compost, and cow manure. The second factor was type of mulch, consist of no mulch, reed mulch, and black silver plastic mulch. The results showed that type of ameliorant significantly affected number of leave, root volume, root wet weight and root dry weight. Type of mulch significantly affected plant height, number of leave, shoot wet weight and root dry weight. Interaction of ameliorant and mulch significantly affected plant height, number of leave, root volume, shoot wet weight, root wet weight and root wet weight. Compost with black silver plastic mulch tended to give better results for growth of mustard on post tin mining land.

Respon Kedelai Hitam terhadap Berbagai Jenis Pupuk Organik Andi Ralle; St Subaedah
Agrotechnology Research Journal Vol 4, No 1 (2020): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Increased productivity of black soybeans continues to be pursued by improving appropriate cultivation technologies, including by providing organic fertilizer. This research aimed to assessing the response of growth and production of black soybean plants to various types of organic fertilizers. The study was conducted in the form of a field experiment in Gowa Regency from March-June 2019. The experiment was designed with a randomized completed block design consisting of four treatments, namely: without organic fertilizer, organic fertilizer from rice straw, organic fertilizer from banana stems and organic fertilizer from gamal leaves. Each treatment was repeated four times, so as to get 16 experimental units. The parameters observed were plant height, number of pods per plant, pod weight per plant and pod weight per plot. The results showed that the administration of organic fertilizers obtained better growth and production of black soybeans. Fertilization with organic fertilizer from Gamal leaves obtained the highest yield of black soybean seeds, 2.46 tons ha-1.

Identifikasi Keragaman dan Dominansi Gulma pada Lahan Pertanaman Kedelai Vidya Imaniasita; Twenty Liana; Krisyetno Krisyetno; Dayu Satriyo Pamungkas
Agrotechnology Research Journal Vol 4, No 1 (2020): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

The diversity and dominance of weeds is the first step in determining the success of weed control. This study aimed to identify the diversity and dominance of weeds in the cultivation of soybean under the shade of oil palm that have not produced (1 year). This research was conducted in October 2018 to January 2019. Sampling used a phrase with a frame size of 1 x 1 m. Weed samples were collected and identified per species according to weed groups, then counted with Summed Dominance Ratio to get weed dominance at each location. There were 10 weed families in soybean cultivation consisting of two types of weed grass, seven types of broadleaf weeds, and two types of weed puzzles. The dominant weed family in soybean cultivation was found in the Poaceae family, with Imperata cylindrica species.

Identifikasi Plant Growth Promoting Rhizobacteria pada Rizosfer Bambu Duri dengan Gram KOH 3% Muhammad Yusril Hardiansyah; Yunus Musa; Abdul Mollah Jaya
Agrotechnology Research Journal Vol 4, No 1 (2020): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Plant Growth Promoting Rhizobacteria is a group of microorganism that is able to increase plant growth and yield through reactions in the soil, but the large number of microorganisms contained in PGPR's rhizosphere from thorn bamboo make it difficult to know which bacteria are the most dominant and most active in influencing plants. This study aimed to determine the effect of using the 3% gram KOH test method in identifying PGPR bacteria from the thorn bamboo rhizosphere. This test was carried out at the Biofertilizer and Potential Microbial Laboratory, Faculty of Agriculture, Universitas Hasanuddin from October-December 2019. The testing methods include making microorganism growing media, pouring media, planting bacteria with the scatter and scratch methods, also the gram reaction test using KOH 3%. The results obtained the use of the 3% gram KOH test method in the scatter method showed there were 2 samples that have mucus with a percentage of 40%, while in the scratch method showed all samples have mucus with a percentage of 100% so that the use of the 3% gram KOH test method has an optimum effect in detecting microorganisms especially in identifying plant growth promoting rhizobacteria.

Isolasi dan Identifikasi Bakteri Pelarut Fosfat pada Tanah Ultisol di Kecamatan Rumbai, Pekanbaru Oksana Oksana; Mokhamad Irfan; Annisa Ramadhani Fianiray; Syukria Ikhsan Zam
Agrotechnology Research Journal Vol 4, No 1 (2020): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Phosphate-solubilizing bacterial can fulfill the low available of soluble P on Ultisol. This research aimed to study on the quantity of the population bacteria and identify phosphate-solubilizing bacteria on Ultisol from Rumbai District, Pekanbaru. The research method used was descriptive method. Soil sample was collected from teak plantations of PT. Air Jernih, Sub district of Rumbai Pesisir, Pekanbaru and identification of phosphate-solubilizing bacteria was conducted in Laboratory of Pathology, Entomology and Microbiology, Faculty of Agriculture and Animal Husbandry, Universitas Sultan Syarif Kasim State Islamic, Riau from May-September 2017. The observed parameters were bacterial cell numbers, phosphate solubilization index, microscopic and biochemical characteristics. Four isolates were obtained with cell numbers ranging from 4.2 x 105 – 7.1 x 105 CFU/g of soil. All isolates showed the ability to dissolve phosphate with phosphate solubilization index ranging from 1.16 – 1.57. The four isolates were identified as Klebsiella (IBJ1 and IBJ2), and Acinetobacter (IBJ3 and IBJ4).

Efektivitas Pupuk Organik dan Interval Penyiraman terhadap Pertumbuhan dan Produksi Tomat Riska Nur Fateha; Bait Ilhaminnur; Soemarno Soemarno; Niken Rani Wandansari
Agrotechnology Research Journal Vol 4, No 1 (2020): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

This research aimed to determine the effect of various organic fertilizer and watering intervals on plant growth and tomato yield, also soil nutrient content. The method used was factorial completely randomized design with a combination of organic fertilizer types (kaliandra compost, water hyacinth and Mexican sunflower compost, cow manure and straw compost, and vermicompost) and watering intervals (1, 3 and 7 days). Mycorrhizal dose used was 2 grams/plant, while organic fertilizer used was 160 g/plant. The results showed that the interaction between organic fertilizer and watering intervals did not affected significantly on tomato plant height, stem diameter, root length, initial flowering, fruit diameter, number of fruits and fresh fruit weight and soil nutrient content. Watering interval affected significantly to all parameters of the observation. Addition of organic fertilizer can increase soil C-organic content by 6.58% and P-available by 170.51% compared to controls. In general, the highest tomato production was obtained in the combination of treatments water hyacinth and Mexican sunflower compost and watering interval of 1 day, which was 231 g/plant or equivalent 7.22 tons/ha.

Page 6 of 14 | Total Record : 140

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Prof. Dr. Ir. Hadiwiyono, M. Si.

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agroteknologi@mail.uns.ac.id

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Program Studi Agroteknologi Fakultas Pertanian, Jl. Ir Sutami No.36A, Jebres, Kec. Jebres, Kota Surakarta, Jawa Tengah 57126

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