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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 14 Documents
 1   2 
Search results for , issue "Vol 9 No 2 (2019)" : 14 Documents clear
Genus Alga pada Lahan Sawah Organik yang Ditanami Padi Lokal dan Inhibrida di Subak Jatiluwih, Tabanan SAWIDYA FITRIYANI; I WAYAN DANA ATMAJA; NI NENGAH SONIARI
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (692.665 KB) | DOI: 10.24843/AJoAS.2019.v09.i02.p02

Abstract

Algae Genus in Organic Rice Fields Planted with Local and Inhibrida Rice in Subak Jatiluwih, Tabanan. The abundance of microalgae in rice fields, especially microalgae from Cyanophyta division that are capable of fixing nitrogen, is very important helping maintain soil fertility. The aim of this study was to find out the genus of algae in organic rice fields of Subak Jatiluwih, Tabanan. The research was conducted from September 2018 to April 2019. Sampling was done in Subak Jatiluwih. Algae breeding were carried out at Biology and Physics Laboratory, Faculty of Agriculture, Udayana University. This research method uses descriptive quantitative. The implementation of the research included the determination of location, soil and water sampling, identification of algae, and analysis of algae genera. Enrichment algae was carried out using the MPN method, results of the analysis of algae genus were found in 37 genera from 3 divisions i.e Chlorophyta, Cyanophyta and Chrysophyta. Descriptive quantitative method Most Probable Number (MPN) calculation conclude that there are not much different from the Local and Inhibrida rice fields. The maximum population algae of local rice fields is 1.100 cell g-1 and Inhibrida rice fields is >1.100 cell g-1 of land. The minimum population is 3,6 cell g-1 of land in local rice fields, and 9,2 cell g-1 of land in Inhibrida rice fields.
Tim Editorial Agrotrop Vol. 9, No. 2, November 2019 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (23.444 KB)

Abstract

Tim Editorial Agrotrop Vol. 9, No. 2, November 2019
Pengaruh Pupuk Organik dan Anorganik terhadap Pertumbuhan dan Hasil Tanaman Sawi Hijau (Brassica rapa. L) ARJUNA YOHANNES SIMANULLANG; NI LUH KARTINI; ANAK AGUNG ISTRI KESUMADEWI
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (206.186 KB) | DOI: 10.24843/AJoAS.2019.v09.i02.p07

Abstract

The Effect of Organic and Inorganic Fertilizers on The Growth and Results of Green Mustard (Brassica rapa L.). Green mustard (Brassica rapa L.) is a vegetable that preferred by many consumers, this causes many farmers cultivate this vegetables. One of the important factor in the cultivation of green mustard is fertilizer type. Alternative to improve soil quality and fertility is by providing organic matter. A field research was conducted to evaluate the effect of organic and inorganic fertilizers on the growth and yield of green mustard, in Banjar Taman Tande, Baturiti Village, Bedugul from April to June 2018. This study was designed with a Randomized Block Design with nested patterns consisting of two factors. The first factor was the type of fertilizer, which was consisted of four types of organic fertilizer, namely: vermicompost, cow manure, chicken manure, goat manure and inorganic fertilizers (NPK Mutiara). The second factor was fertilizer dosage, which was consisted of three levels, namely: 0 tons/ha, 15 tons/ha, and 30 tons/ha, while for NPK Mutiara fertilizer dosages, namely: 0 kg/ha, 150 kg/ha, and 300 kg/ha.The results showed that the effect of organic and inorganic fertilizers were not significantly different on the growth and yield of green mustard plants and RAE values. The total N content of soil on vermicompost treatment was 0.23% equal to NPK Mutiara. The total population of soil microbes on vermicompost treatment under dosage of 15 tons/ha and 30 tons/ha were 1.4 x 106 cfu/g that was much higher compared to NPK Mutiara 150 kg/ha fertilizer (0.3 x 106 cfu/g).
Isolasi dan Identifikasi Endomikoriza pada Perakaran Tanaman Jagung (Zea mays L.) Dataran Sedang serta Perbanyakannya pada Tingkat Kadar Air Tanah Berbeda NGAKAN MADE ADI WEDAGAMA; I MADE SUKEWIJAYA; NI LUH KARTINI; I NYOMAN RAI
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (159.401 KB) | DOI: 10.24843/AJoAS.2019.v09.i02.p03

Abstract

Isolation and Identification of Endomycorrhizal on Corn Root (Zea mays L.) at Medium Plain and its Propagation at Different Soil Water Level. Endomycorrhizal has several benefits that can increase the absorption of water and nutrients, protect plants from root pathogens and toxic elements, play a role in the improvement of soil structure, and increase the solubility of nutrients. The purpose of this research is to find out the types endomycorrhizal contained in the corn roots at medium plains in Gianyar Regency, and the influence of different soil water level to endomycorrhizal ability to reproduce spores. This research was conducted from September 2017 to February 2018. The method of the research includes exploration, isolation, identification, propagation of spores endomycorrhizal, and soil samples analysis. Isolation and identification result found 2 genus of spores endomycorrhizal that was Glomus and Acaulospora, with various spore amount and the level of infection endomycorrhizal was very high with percentage of 83.33-86.67%. Spores propagation test results showed that the highest percentage enhacement of spores endomycorrhizal amount was found in the third soil sampling location in soil water level of 40% field capacity treatment with percentage of 551.85%. The level of endomycorrhizal infections at the roots of all treatment of soil sampling location and soil water level were very high with percentage of 100%.

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