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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 Journal of Degraded and Mining Lands Management 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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Journal : Nandur

 1 
Evaluasi Status Kesuburan Tanah Pada Penggunaan Lahan Sawah di Subak Kecamatan Denpasar Utara Berbasis Sistem Informasi Geografis (SIG) Risky Novelin Simatupang; Ni Made Trigunasih; I Dewa Made Arthagama
Nandur Vol 1 No 3 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

This study aims to determine the status of soil fertility in subak land, North Denpasar District, to determine the limiting factors, and to provide direction on soil fertility management actions. This research was conducted by field survey method and soil test method carried out in the Laboratory of Soil and Environmental Sciences, Faculty of Agriculture, Udayana University. The chemical properties analyzed were Cation Exchange Capacity (CEC), Base Saturation (BS), P-total, K-total, and C-organic. The results showed that soil fertility in North Denpasar District there are two soil fertility statuses, namely high fertility status (T) in SLH I (Subak Sembung and Subak Pakel I), II (Subak Lungatad and Subak Kedua), and IV (Subak Petangan and Subak Subak Ubung) and medium fertility status (S) in SLH III (Subak Pakel II and Subak Dalem). The limiting factor is the low P-total value. Based on the results of the study, it can be suggested land management by adding fertilizers containing P in the form of single fertilizer or compound fertilizers.
Evaluasi Kualitas Tanah Sawah di Kecamatan Denpasar Utara Berbasis Sistem Informasi Geografis Boy Fernando Sagala; I Dewa Made Arthagama; I Wayan Narka
Nandur Vol 1 No 2 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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This study aims to determine the quality of paddy soil, to determine the limiting factors of paddy soil quality, to provide land management direction in an effort to improve the quality of paddy fields and to make soil quality maps. This research was conducted in Nort Denpasar District from December 2020 to February 2021. Soil quality evaluation was carried out using field survey methods and laboratory analysis. Soil quality evaluation data analysis was carried out by matching and scoring based on limiting factors of 10 minimum data set (MDS) determinant of soil quality rating (SQR). The results showed that the soil quality in the study location was classified as moderate to good soil quality. Soils with moderate soil quality are found in SLH 3 and SLH 4 while soils with good soil quality are found in SLH 1 and SLH 2. The factor limiting soil quality in the study area is the low N and C-biomass. Based on the results of the study, the management directions at the research location can be determined, namely by adding organic matter, fertilizing urea, setting cropping patterns and applying intercropping.
Evaluasi Kualitas Tanah dan Arahan Pengelolaannya pada Kebun Stroberi di Desa Pancasari Kecamatan Sukasada Masana Frininta Sembiring; I Dewa Made Arthagama; I Wayan Narka
Nandur Vol 2 No 1 (2022)
Publisher : Fakultas Pertanian, Universitas Udayana

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This study aims to determine the status of soil quality, limiting factors, and provide direction for land management, as well as make a map of the status of soil quality on stroberi land in Pancasari Village. The methods used in this research are field survey methods, laboratory analysis, and soil quality determination. Soil samples were taken by the purposive sampling technique on each homogeneous land unit. Determination of SLH was done by overlaying soil type maps, slope maps, and stroberi land used maps in Pancasari Village. Soil quality indicators measured as minimum data set (MDS): soil texture, volume weight, porosity, C- Organic, pH, Cation Exchange Capacity (CEC), Base Saturation (BS), nutrients (N, P, and K), and C-biomass. The results showed that the soil quality at the research site was moderate in SLH 1 (Buyan Hamlet), while the good soil quality was found in SLH 2 (Dusun Peken), SLH 3 (Dasong Hamlet, Buyan Hamlet), SLH 4 (Dasong Hamlet, Buyan Hamlet), SLH 5 (Dusun Peken, Dusun Buyan) and SLH 6 (Dusun Dasong). The limiting factors for soil quality in the research site were nutrients BS. Based on the results of the study, it can be suggested that the directions for soil management at the research site, namely by adding organic matter.
Uji Pupuk Kompos Akibat Penambahan Sludge Minuman Berkarbonasi terhadap Hasil Sawi Hijau (Brassica juncea L.) dan Beberapa Perubahan Sifat Kimia Tanah Devin Ronaldo Naidu; A. A. Nyoman Supadma; I Dewa Made Arthagama
Nandur Vol 1 No 4 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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The purpose of this study was to determine the effect of giving additional doses of compost fertilizer with carbonated beverage sludge and sludge on the chemical properties and growth yield of mustard greens (Brassica juncea L.). This research was carried out from March 2021 to May 2021 and used a Randomized Block Design (RBD) consisting of 8 treatments, including control which was repeated three times with 24 experimental pots. The treatment tried was P0 = no fertilizer (control). P1 = 5 tons of compost/ha-1 (11.25 grams of compost/pot-1), P2 = 10 tons of compost/ha-1 (22.5 grams of compost/pot-1), P3 = 15 tons of compost/ha- 1 (34 gr compost/pot-1), P4 = 20 tons compost/ha-1 (45 gr compost/pot-1), P5 = 5 tons sludge/ha-1 (11.25 sludge/pot-1), P6 = 10 tons of sludge/ha-1 (22.5 gr sludge/pot-1), P7 = 15 tons of sludge/ha-1 (34 gr sludge/pot-1). The parameters observed in this study were divided into two observations, observing soil chemical properties, including pH, N-total, P-available, K-available, Electrical Conductivity (EC), C-organic, Cation Exchange Capacity (CEC), and Base Saturation. Plant parameters are consisting of plant height, number of leaves, fresh weight, plant dry weight. The results of statistical analysis showed the fertilizer dose had a very significant effect (P>0.01) on K-available, P-available, BS and had a significant effect (P <0.05) on pH and EC, but had no significant effect (P> 0.05) on N- total, C-organic, CEC, plant height, number of leaves, fresh weight, and plant dry weight. P7 treatment showed that the best improvement in plant parameters such as plant height which increased by 20%, and fresh weight of 45% from the control treatment. The chemical properties of available P-available increased by 25%, available K-available increased by 22%, and BS increased by 10% from the control.
Co-Authors A.A.NYOMAN SUPADMA Agustina, I Komang Yudi AHMADI FAUZAN NUR RAHMAN AI Nyoman Sunarta Bimantara, Putu Oki Boy Fernando Sagala Debora Desclarita Simanjuntak Devin Ronaldo Naidu FRISKA SUSIANTI GDE CAKRA WAHYU P Ginting, Debby Clara Br Girsang, Giyo Brem Dana Gunasih, Ni Made Tri 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 Ketut Dharma Susila KOMANG ARI NIRMALAYANTI MADE SRI SUMARNIASIH Masana Frininta Sembiring MOH SAIFULLOH moh saifulloh, moh NI KADEK SHINTA DHARMAYANTI NI LUH AYU PADMAWATI NI MADE TRIGUNASIH NI NENGAH SONIARI NI WAYAN KRISTINA MONIKA DEWI PUTU EKA CAHYADEWI Putu Perdana Kusuma Wiguna Risky Novelin Simatupang RIZKY ALWI SHAH MAULANA Silitonga, Septia Ningsih SUMARNIASIH, MADE SRI TANTYA TANTRI P. T. N Yoga Yuniadi