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All Journal Agrotrop : Journal on Agriculture Science International Journal of Biosciences and Biotechnology Buletin Udayana Mengabdi Ecotrophic, Journal of Environmental Science E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Agrovigor: Jurnal Agroekoteknologi Nandur
I DEWA MADE ARTHAGAMA
Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science

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EFFECT OF VARIOUS TYPES OF GROWING MEDIA AND APPLICATION OF LIQUID ORGANIC FERTILIZER ON THE GROWTH OF DENDROBIUM ORCHIDS I Dewa Made Arthagama; I Made Dana; Putu Perdana Kusuma Wiguna
International Journal of Biosciences and Biotechnology Vol 8 No 2 (2021): International Journal of Bioscience and Biotechnology
Publisher : Central Laboratory for Genetic Resource and Molecular Biology, Faculty of Agriculture, Udayana University in cooperation with Asia-Oceania Bioscience and Biotechnology Consortium (AOBBC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJBB.2021.v08.i02.p07

Abstract

This research was a potted experiment carried out in a special orchid house (arnet) at the Padang Galleria Padangsambian Kelod from September to November 2019, the aim was to determine the effect of plant media and the provision of liquid organic fertilizers on the growth of dendrobium orchids. The factorial CRD pattern was the design used in this study, which consists of two factors, first, the use of growing media of wood charcoal (K), fern stems (P), and a mixture of fern stems with wood charcoal (M) and, second, the provision of liquid organic fertilizer, namely, Dewa (D), DI Grow (I), and GDM (G). The results showed that the interaction between the use of planting media and the application of liquid organic fertilizer had no significant effect on all plant growth parameters such as plant height, number of leaves, and number of tillers. However, the plant medium as a single treatment had a significant effect on the number of orchid tillers, fern stems (P) as the plant medium gave the highest number of tillers, namely: 2.22 stems or 32.93% more than the growing media for wood charcoal (K) and a mixture of charcoal, wood and fern stems (M) with 1.67 tillers each
PEMBERDAYAAN KELOMPOK DASA WISMA AGROPERTIWI DALAM PENGEMBANGAN PERTANIAN PERKOTAAN DI DUSUN PERMATA ANYAR DESA UBUNG KAJA KECAMATAN DENPASAR UTARA KOTA DENPASAR Indayati Lanya; Ni Made Trigunasih; AI Nyoman Sunarta; I Dewa made Arthagama
Buletin Udayana Mengabdi Vol 18 No 4 (2019): Buletin Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (265.94 KB) | DOI: 10.24843/BUM.2019.v18.i04.p10

Abstract

Program pelatihan ini bertujuan untuk menambah pengetahuan dan keterampilan anggota kelompok Dasa Wisma Agropertiwi tentang teknik budidaya buah maupun sayuran dalam pot. Materi pelatihan meliputi penyuluhan tentang budidaya buah-buahan dan sayuran dalam pot, dilanjutkan dengan demontrasi cara pembuatan/pencampuran media tanam, cara penanaman dan perawatan tanaman. Pengabdian kepada masyarakat dilakukan pada tanggal 13 Juli 2019 yang bertempat di Balai Banjar Dusun Permata Anyar Desa Ubung Kaja Kecamatan Denpasar Utara Kota Denpasar. Penyuluh berjumlah 4 (empat orang) dari Prodi Agroekoteknologi Fakultas Pertanian Universitas Udayana. Sasaran strategis tersebut adalah kelompok Dasa Wisma Agro Pertiwi dan pemuka masyarakat yang berjumlah 40 orang. Setelah diadakan penyuluhan dan demontrasi Anggota kelompok telah meningkat pengetahuan dan keteramppilannya dalam teknik budidaya buah dan sayur dalam pot. Secara umum para peserta pelatihan sangat antusias dan menunjukkan respon yang positif terhadap kegiatan ini. Hal ini terlihat dari kesungguhan dan ketekunan peserta dalam mengikuti pelatihan. Beberapa pertanyaan yang muncul antara lain: kenapa tanamannya sering mati, kenapa tanaman buahnya tumbuh kurus dan tidak mau berbuah padahal seharusnya sudah berbuah. Pada saat penutupan pelatihan, Kepala Dusun Permata Anyar memohon agar pada kesempatan yang akan datang dapat diberikan pelatihan-pelatihan yang srupa seperti pelatihan pembuatan pupuk organik dari sampah organik/limbah dapur untuk menunjang pengembangan pertanian perkotaan. Dengan pelatihan tersebut para anggota kelompok akan membiasakan diri untuk memisah sampah organik dan anorganik mulai dari masing-masing rumah tangga. Kata kunci: Pertanian perkotaan, tanaman dalam pot, kelompok dasawisma
EVALUASI DAN PENETAPAN LAHAN PERTANIAN BERKELANJUTAN UNTUK PENCEGAHAN ALIH FUNGSI LAHAN DI KABUPATEN BANGLI I Made Adnyana; I Nyoman Puja; I Dewa Made Arthagama
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 11 No 1 (2017)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2017.v11.i01.p12

Abstract

EVALUATION AND DETERMINATION OF SUSTAINABLE LAND AGRICULTURE FOR PREVENTION OF LAND CONVERSION IN BANGLI REGENCYThe research was done in the area of ??paddy soil in Bangli District, Bangli Regency to identification, evaluation, and mapping the paddy soil area that have to maintain as a sustainable agriculture. To achieve these objectives, the research conducted through several activities, namely: soil survey and environment, physical and chemistry of soil analysis, and mapping the model of the prevented exchangeable paddy soil functions. Depend on plan lay out space (called RTRW) of Bangli regency, there were two models of sustainable agriculture decision at district of Bangli, where in each model, land (Subak) mapping as subak everlasting, subak buffer, and Subak convertion. Subak convertion was have opportunity to changing function. Subak convertion of Model I as 158,68 ha (2011 – 2021) and Model II as 78,14 ha (2021 – 2031) respectively.
Evaluasi Status Kesuburan Tanah Sawah Sebagai Pendukung Lahan Pertanian Pangan Berkelanjutan di Subak Pagutan dan Tegal Buah Kecamatan Denpasar Barat RIZKY ALWI SHAH MAULANA; I DEWA MADE ARTHAGAMA; MADE SRI SUMARNIASIH
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.3, Juli 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Evaluation of Paddy Soil Fertility Status as Support of Sustainable Food Farming at Subak Pagutan and Tegal Buah West Denpasar District. Soil fertility is a soil ability for willing substance with enough quantity for plants, for guaranteed willing a Sustainable Food Farming. The research was conducted with purpose to specify the fertility status of the paddy fields at Subak Pagutan and Tegal Buah, West Denpasar District, Denpasar City, with knowing the limitting factor and arranging the directions for the management of land fertility according to the soil limiting factor. The research was conducted using survey methods and soil test methods which did in the Laboratory of Soil and Environmental Sciences, Faculty of Agriculture, Udayana University, parameter which analized for determining the fertility status defined to CEC, BS, C-Organic, P-Total, K-Total with supporting data N-Total, tekstur and soil pH. The limiting factor fertility status in the research location was the low content of C-Organic, P-Total and K-Total. The better-fertility status on subak Pagutan is at SLH III and on subak Tegal Buah is at SLH V. Need returning harvest residue or adding organical addition, and adding fertilizer which contains N, P, K element in single-fertilizer or complex-fertilizer type.
Evaluasi Kualitas Tanah di Lahan Sawah Simantri dan Non Simantri di Subak Riang Desa Riang Gede, Kecamatan Penebel NI LUH AYU PADMAWATI; I DEWA MADE ARTHAGAMA; KETUT DHARMA SUSILA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.2, April 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Soil Quality Evaluation of Paddy Soil Under “Simantri’s” and Non “Simantri’s” System in Subak Riang, Riang Gede Village, Penebel Subdistrict This experiment conducted to evaluate the differences between soil quality of paddy soil sunder “Simantri’s” and “non Simantri’s” activities, as well as to evaluate the differences among major physical, chemical and biological soil properties which determining their quality. There were three steps applied in this study including: field survey to determine the research area and sampling points; Minimum Data Set to determine the soil quality and t-test to determine the dominant factor which influencing the soil quality. The results of this study showed: the soil quality of faddy soil under “Simantri’s”activity is better than“non Simantri’s” conditions. Other Than That, it was found the soil total nitrogen significantly higher under “Simantri’s” than “non Simantri’s” conditions.
Uji Kualitas Beberapa Pupuk Kompos yang Beredar di Kota Denpasar TANTYA TANTRI P. T. N; A.A. NYOMAN SUPADMA; I DEWA MADE ARTHAGAMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.5, No.1, Januari 2016
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Quality Test of Some Compost Fertilizer that circulate in Denpasar City This research to aims knowing the quality physical and chemical properties of 10 compost that meets several criteria according to SNI 19-7003-2004. This research starts from the sampling of fertilizers that have been circulate in the market. This research consists of several stages of laboratory analysis with that assessment parameter analysis results include water content, pH, N-total (method Kjeldhal), P2O5 and K2O total (extract method HCL 25%), C-organic (Walkley and Black method), and C/N ratio. Based on the results of physical and chemical quality test of the parameters which is conducted compost fertilizer, there are only 2 organic fertilizer most suitable from 10 types of fertilizers, namely fertilizer Bio-extrrim Trubus and  Putri Liman Simantri 096 Blahbatuh, Gianyar has met the several criteria of compost according to SNI 19-7030-2004. The next compost fertilizer that does not comply with some of the SNI, namely Petrokimia Gresik, Good Compost Trubus, Bioorganic Simantri 027 Kelating, Kerambitan, Tabanan, Sapi Trubus, Bintang Tani Marga, Tabanan, Kambing Trubus, Higher For Grow and Agung Singapadu Gianyar, each fertilizer on average had higher levels of C-organic, C/N ratio, organic matter, which is not comply to the  SNI 19-7030-2004. Keywords: quality test, physical and chemical properties, compost standard ISO (2004)
Pengaruh Pemberian Biourine dan Dosis Pupuk Anorganik (N,P,K) Terhadap Beberapa Sifat Kimia Tanah Pegok dan Hasil Tanaman Bayam (Amaranthus sp.) NI KADEK SHINTA DHARMAYANTI; A.A. NYOMAN SUPADMA; I DEWA MADE ARTHAGAMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.2, No.3, Juli 2013
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT The Effect of Biourine and Dosage of Inorganic Fertilizer (N,P,K) to Several Chemical Properties of Soil Pegok and the Yield of Spinach Plant (Amaranthus sp.) The research aims to find out the effect of interaction between Biourine and dosage of inorganic fertilizer (N,P,K) and to find out the ability of Biourine in reducing the use of inorganic fertilizer (N,P,K) towards several chemical properties of Pegok soil and the yield of spinach plant (Amaranthus sp.). The research was conducted on November 2012 until January 2013 at the green house of Pegok’s Experimental Garden in Denpasar, and at Soil Laboratory, Faculty of Agriculture, Udayana University. The experiment used Randomized Block Design (RBD) with two factors, including  Biourine concentration (U) and dosage of inorganic fertilizer (P). The observation parameters of this research were total N, available P, available K, C-organik of soil, the pH of the soil and the growth and the quality of the plants, which include the height of the plants, the weight of the fresh shoots, oven dried weight of shoots, the total weight of the roots, oven dried weight of roots. The result of the statistic analysis shows that the Biourine and dosage of inorganic fertilizer is not affecting all parameters observed. The use of the Biourine obviously affects all of the parameters except the available P, the pH of the soil and oven dried weight of roots. More over, the use of the dosage of inorganic fertilizer affects all parameters except which include the height of the plants the acidity of the soil is obviously affecting, and also for other parameters are not affecting.   Key words : Biourine, inorganic fertilizer, spinach plant
Peningkatan Produksi Dan Mutu Tanaman Bayam Merah (Amaranthus Amoena Voss ) Melalui Beberapa Jenis Pupuk Pada Tanah Inceptisols, Desa Pegok, Denpasar KOMANG ARI NIRMALAYANTI; I NENGAH NETERA SUBADIYASA; I DEWA MADE ARTHAGAMA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.1, Januari 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (111.872 KB)

Abstract

Production Development and Quality Of Red Amaranth(Amaranthus Amoena Voss) Through Some of Type Fertilizer in Inceptisols Land, Faculty of Agriculture Experiment Station, Udayana UniversityThis Research aims to know the impact of some of type fertilizer towards the quality and production development of red amaranth in inceptisol land and the chemical characters of Pegok land. This research was conduct in September 2015 until December 2015 at Experiment Station Faculty of Agriculture and Soil Laboratory, Faculty of Agriculture, Udayana University. The Experiment used Randomized Block Design (RBD) and the data analysis used was Costat program. The parameter observed in this research was dividet nto three observations, they were the height of plants, the weight of fresh plants sample, the weight os fresh plants. The plants quality contains of water content and plants storability. The observations of plants chemical characters include pH, KTK, KB, nutrient content N-total, P-avaible, K-avaible, Ca, Mg, C-organic as well as soil electric conductivity. The result of statistical analysis shows that giving some type of fertilization has real impact towards some production parameter and chemical characters but does not give real impact towards water content.
Evaluasi Status Kesuburan Tanah pada Subak di Kecamatan Denpasar Selatan Berbasis Sistem Informasi Geografis NI WAYAN KRISTINA MONIKA DEWI; I DEWA MADE ARTHAGAMA; NI MADE TRIGUNASIH
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.4, Oktober 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Evaluation of Soil Fertility Status in Subak in South Denpasar District Based on Geographic Information System Soil fertility is the ability of the soil to provide nutrients needed by plants to support their growth and reproduction, fertile soil conditions have water, air and nutrients in a fairly balanced state and are available according to plant needs, both physical, chemical and biological soil. This study aims to determine the fertility status of subak soil, the limiting factors of soil fertility status and provide direction for managing soil fertility in subak in South Denpasar District. This research was conducted using survey methods and soil test methods. Determination of soil chemical properties is matched with the criteria for assessing soil chemical properties and determining soil fertility status includes the results of chemical properties by combining soil fertility parameters according to PPT (1995). The results of the evaluation of soil fertility status in Subak, South Denpasar District can be grouped into 2 fertility statuses, namely medium and high fertility. Subaks classified as having moderate fertility status are Subak Sanur and Subak Sesetan. Meanwhile, subaks classified as having high fertility status are West Intaran Subak, East Intaran Subak, Renon Subak, Sidakarya Subak, Panjer Subak, Kerdung Subak, Kepaon Subak and Cuculan Subak. The limiting factor that makes the soil fertility status moderate in the study area is due to the low P-Total. The recommended management alternative is the addition of P fertilizer and the addition of organic matter so that soil fertility can be well maintained.
Influence of Dose of Organic and Nonorganic Fertilizers to Yield of Rice (Oriza sativa L.) and Soil Chemical Compound on Inceptisol Kerambitan Tabanan I GEDE PADMANABHA; I DEWA MADE ARTHAGAMA; I NYOMAN DIBIA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.3, No.1, Januari2014
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Influence of Dose of Organic and Nonorganic Fertilizers to Yield of Rice (Oriza sativa L.) and Soil Chemical Compound on Inceptisol Kerambitan Tabanan A factorial experiment was conducted to study the effect of organic and inorganic fertilizer rates on rice yield and soil chemical characteristics under Inceptisol soil condition, located in subak Serongga, village of south Selingsing, Kerambitan district, Tabanan regency. Prior and after the experiments, soil analysis was conducted at the Soil Laboratory, Faculty of Agriculture, Udayana University. A Randomized Block Design (RBD) trial was set up, which consisted of two factors: the organic (manure) rates (K) and the inorganic fertilizer rates (P). Plant parameters observed including maximum plant height, maximum number of tillers, number of productive tillers, dry weight of grain after harvesting and oven grain dry weight. In addition, soil chemical properties were also analyzed which covering N-total, available P, available K, and C-organic. The result of statistical analysis showed that the interaction between organic and inorganic fertilizers were significantly different (P<0,05) on the maximum height of plant, while the other variables did not show any differences (P>0,05).   Key words: organic and nonorganic fertilizer, rice, soil chemical compound
Co-Authors A.A.NYOMAN SUPADMA AHMADI FAUZAN NUR RAHMAN AI Nyoman Sunarta Boy Fernando Sagala Debora Desclarita Simanjuntak Devin Ronaldo Naidu FRISKA SUSIANTI GDE CAKRA WAHYU P I GEDE PADMANABHA I MADE ADNYANA I Made Dana I MADE DANA I MADE DANA I MADE DANA I MADE DANA I Nengah Netera Subadiyasa I Nyoman Dibia I Nyoman Puja I Wayan Diara I WAYAN NARKA I WAYAN SUARJANA INDAYATI LANYA JHON YANSEN SIPAYUNG Ketut Dharma Susila KOMANG ARI NIRMALAYANTI MADE SRI SUMARNIASIH Masana Frininta Sembiring MOH SAIFULLOH NI KADEK SHINTA DHARMAYANTI NI LUH AYU PADMAWATI NI MADE TRIGUNASIH NI MADE TRIGUNASIH NI WAYAN KRISTINA MONIKA DEWI PUTU EKA CAHYADEWI Putu Perdana Kusuma Wiguna Risky Novelin Simatupang RIZKY ALWI SHAH MAULANA TANTYA TANTRI P. T. N Yoga Yuniadi