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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 352 Documents
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Pertumbuhan Plantlet Anggrek Cattleya sp. dengan Perlakuan Benzyl Amino Purine pada Media Dasar Pupuk Daun Modifikasi HESTIN YUSWANTI; I. N. G. ASTAWA; N.N.A. MAYA DEWI
Agrotrop : Journal on Agriculture Science Vol 4 No 2 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Growth of Plantlets of Cattleya Orchid on The Fooliar Fertilizer-Based Medium added with Benzyl Amino Purine. The aim of the current research was to investigate the appropriate concentrationof plant growth regulator BAP on the growth of Cattleya plantlet. The experiment was utilized a Randomized Completely Design with five treatments and six replications. The basal medium used was modification of foliar fertilizer of Growmore (trade mark) with addition of fish emulsion, Vitamin B1 and active charcoal. BAP concentration used as treatment were 0 ppm, 0.5 ppm, 1.0 ppm, 1.5 ppm and 2.0 ppm. Variables observed were height, leaf number, root number, root length, fresh weight and dry weight of plantlets. The result showed that concentration of 1 ppm BAP resulted in the highest value for plantlet height (5.67 cm), leaf number (4.67), root length (2.07 cm), fresh weight (0.36 g) and dry weight (0.043 g).
Pertumbuhan Awal Mahkota Dewa (Phaleriamacrocarpa) pada Beberapa Dosis Vermikomposdan Intensitas Naungan MERAKATI HANDAJANINGSIH; ENTANG I. SUKARJO; NORMA LIDIAWATI
Agrotrop : Journal on Agriculture Science Vol 3 No 2 (2013)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Early Growth of Phaleria macrocarpaunder Different Shade Intensity and Doses ofVermicompost. Phaleria macrocarpaisshade plant,nativeto Papua-Indonesia. This is one of themost valuable herbal plants in Indonesia and widely grown in home gardens as well as in industrialareas.Organic matter incorporated into the media can increase nutrient availability, medium moisture,plant growth regulator, and improve soil structure to support root growth. In addition, light intensity isanother factor determined the optimum growth especially on shade plants. The research was aimed tofind the most appropriate dose and shade intensity to support early growth stage of Phaleriamacrocarpa.CompletelyRandomized Design was applied in Split Plot arrangement with threereplications. The shade intensity consisted of 0, 25, 50, or 75% while the dose of vermicompostconsisted of 0, 300, 600, or 900 g polybag-1. Research showed thatno interaction was revealed betweenshade intensity and dose of vermicompost on plant height, plant fresh weight and degree of leaf greeness.Root length and root dry weight responded linierly under 25, 50, and 75% shadesThere was no responseon plant growth with the increase ofdose of vermicompost when plants were grown without shading.The highest growth as shown on leaf number, leaf area, stem diameter, and root growth was under 50%shading and application 900 g polybag-1 of vermicompost. This research thus supports the previousreport that P. macrocarpa is less tolerance to full sunlight during its early growth.
Aplikasi Pemupukan Berimbang untuk Peningkatan Laju Pertumbuhan Tanaman Gaharu (Gyrinops verstegii) di Kabupaten Tabanan KETUT DHARMA SUSILA; I MADE MEGA
Agrotrop : Journal on Agriculture Science Vol 2 No 1 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The research that purposed to find out the combination dosage of balanced fertilizing betweenunorganic and organic fertilizers for growth rate increasing of gaharu was conducted at West MundehVillage, West Selemadeg District and Baturiti Village Kerambitan District, Tabanan Regency from August2006 until August 2007. The factorial experiment used was randomized block design consisted of twofactors namely organic fertilizers as the first factor with four levels: 0 kg bokashi/tree; 2.5 kg bokashi/tree; 5.0 Kg bokashi/tree; 7.5 kg bokashi/tree; and unorganic fertilizer (NPK fertilizers) as a secondfactor with four levels: without NPK; 0.10 kg NPK/tree; 0.20 kg NPK/tree, and 0.30 kg NPK/tree.There were 16 treatments with 4 replications. The result showed that no interaction between organicand unorganic fertilizer treatments, however, each factors influenced growth rate increasing of gaharuindividually. Both organic (bokashi) and unorganic fertilizers (NPK) were increasing the stem diametersand hight of plants gaharu. Treatments of 0.30 kg NPK/tree and 7.5 kg bokashi/tree indicated betterperformance significantly for raising stem diameter than the others.
Editorial Agrotrop Vol. 8, No. 1, Mei 2018 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 8 No 1 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Editorial Agrotrop Vol. 8, No. 1, Mei 2018
Analisis Kualitas Larutan Mikroorganisme Lokal Daun Gamal (Gliricidia sepium) pada Beberapa Waktu Inkubasi ANAK AGUNG NGURAH GEDE SUWASTIKA; NI WAYAN SRI SUTARI; NI WAYAN MURIANI
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Analysis of Local Microorganism Leaf Gamal (Gliricidia Sepium) Solution Quality onthe Fermentation Period. The study aims to determine the quality of local microorganismsolution under the influence of concentration leaves of Gliricidia (Gliricidia sepium) andfermentation period. This research was conducted at the Soil Laboratory, Faculty ofAgriculture, UdayanaUniversity. The design of this research used a randomized block designfactorial pattern of two factors. The first factor was the concentration of Gliricidia leavesconsisted of 0, 100, 300 g, and the second factor was the fermentation period, consists of 1,2,and 3 weeks. Results of statistical analysis showed a highly significant interaction betweenthe concentration factor and fermentation period of Gliricidia leaves the parameters observed.Concentration of 30% (300 g) Gliricidia leaves with a two-week fermentation period has thebest effect on the quality of the biological properties of microorganisms local solution with atotal population of bacteria (9.5 x 107 SPK mL-1) and total fungus (1.9 x 106 SPK mL-1),while the best quality chemical properties of the solution of local microorganisms present in aconcentration of 30% (300 g) gliricidia leaves with a three-week fermentation period with thecontent of total-N (1.59%), pH (6.03), and organic-C (3.35%). Concentration of 30% (300 g)Gliricidia leaves with fermentation period of two weeks, it can be used as a biologicalfertilizer and a concentration of 30% (300 g) Gliricidia leaves with a three-week fermentationperiod, could be used as organic manure.
Pemanfaatan Biochar Limbah Pertanian sebagai Pembenah Tanah untuk Perbaikan Kualitas Tanah dan Hasil Jagung di Lahan Kering RUPA MATEUS; DONATUS KANTUR; LENNY M. MOY
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (182.495 KB) | DOI: 10.24843/AJoAS.2017.v07.i02.p01

Abstract

Utilization of Agricultural Biochar Waste as Soil Conditioner for Improved Soil Quality and Result of Corn in Dryland. Optimization of degraded dryland use need to be increased through by materials soil conditioner ground added, such as biochar which made from agricultural waste. Organic soil conditioner has been shown effective to accelerate the recovery of degraded drylands caused by conventional farming. This study aims to determine the effectiveness of biochar as a soil conditioner on the soil quality improvement and yield of corn in dryland as well. Research was carried out at State Agricultural Polytechnic field practice which is located in Oesao, East Kupang, Kupang regency, East Nusa Tenggara province. Design of this study was split plot factorial with three replications. The first factor as the main plot is kind of biochar, with four types, namely: Bs: biochar cow dung; Bp: rice husks; Bg: pruned G. sepium; and Bj: corn stover. The second factor as sub plots are doses of biochar, with three levels, namely: D1: 3 t ha-1; D2: 6 t ha-1; and D3: 9 t ha-1. The results showed that no interaction between the type and dose of biochar on soil quality and yield of corn. Each single factor either main plots and sub plot gave a significant difference on the quality of soil and yield of corn. Corn stover biochar and pruned G. sepium better improve soil quality and yield of corn in dryland than biochar that made from cow dung and rice husk. Doses tested biochar also showed different results and significantly improve of the soil quality and yield of corn.
Pengaruh Konsentrasi Antitranspiran Chitosan Terhadap Pembuahan dan Produksi Salak Gula Pasir di Luar Musim I KETUT SUNARKA; I NYOMAN RAI; NI LUH KARTINI
Agrotrop : Journal on Agriculture Science Vol 5 No 1 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The Effect of Antitranspirant Chitosan Consentrantions to Fruit-Set and Production ff Salacca zalacca var. Gula Pasir on Off-Season. Salak Gula Pasir (Salacca zalacca var. Gula Pasir) naturally flowering once every three months or four times a year. During the four times flowering, the best harvest or fruit production only once a year while the other three flowering are failed become a fruit-set. The failure was caused by rainfall and low rainy time. This research aimed to know the effect of several Antitranspirant Chitosan Consentrations to the success of flower to become a fruit (fruit-set) on Salacca zalacca var. Gula Pasir. This research used random sampling where the area was divided into four Antitranspirant Chitosan Consentrations. The factor of Antitranspirant Chitosan Consentrations consists of four levels (0%, 15%, 30%, and 45%). The research was conducted at the central production of Salacca zalacca var. Gula Pasir in Sibetan Village, Bebandem District, Karangasem Regency. The result of giving Antitranspirant Chitosan Consentrations at 45% was effective improved the success of flower to become a fruit-set of 64,48% on Gadu Season while on Sela II Season it effective improved 84,38% at the 30% consentrations.
Cover Agrotrop Vol. 6, No. 1, Mei 2016 Jurnal Agrotrop
Agrotrop : Journal on Agriculture Science Vol 6 No 1 (2016)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Pengaruh Kehadiran Gulma terhadap Jumlah Populasi Hama Utama Kubis pada Pertanaman Kubis KETUT AYU YULIADHI; TRISNA AGUNG PHABIOLA; MADE SRITAMIN
Agrotrop : Journal on Agriculture Science Vol 3 No 1 (2013)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The Influence of The Presence of Weeds on The Population Number of main Pest of Cabbage on The Cabbage Croppings The aim of the research was to find out the development of population number of Plutella xylostella and Crocidolomia pavonana in the precence and the absence of weeds on the cabbage croppings. The results showed that there were 23 species of weeds in association with plant cabbage, which was made up of 7 species of grasses, 3 species of weeds from Cyperaceae family, and 13 species of broadleaved weeds. Main pests of cabbage on cabbage croppings (Plutella xylostella and Crocidolomia pavonana) was found more on cabbage plants in the absence of weeds compared than that of the presence of weeds.
Penampilan Agronomi 11 Varietas Unggul Baru Padi di Kabupaten Indramayu TRI HASTINI;   DARMAWAN; ISKANDAR ISHAQ
Agrotrop : Journal on Agriculture Science Vol 4 No 1 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The Performance of Agronomic Characters of Eleven New Superior Varieties of Rice atIndramayu Regency.The objective of the research was to investigate agronomic characters andcorrelation among those charactes of several new superior varieties of rice at Indramayu Regency. Thetrial was held in Sukahaji, Patrol, Indramayu during dry season 2013 and was arranged in RandomizedComplete Block Design with 11 rice varieties as treatment and repeated three times. The observationwas done for plant height, flowering age, harvesting time, number of productive tiller, number of filledgrainper panicle, number of unfilled-grain per panicle, 1000 grains weight and production. Data wasanalyzed using varian analysis and continued by DMRT at 5% level. Correlation was analyzed tounderstand relationship among agronomic characters. The result showed that agronomic charactersperfomance of each rice varieties being tested was determined by genetic and environment condition.The good adaptation capability varieties showed the best agronomic characters performance and highyield.Correlation among agronomic characters in rice was unstable and could change depend uponvarieties, treatment and environment condition. The best production was achieved by Inpari 10 andInpari 15.

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