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All Journal Agrotrop : Journal on Agriculture Science SOCA: Jurnal Sosial Ekonomi Pertanian AGRITROP Jurnal Kimia (Journal of Chemistry) International Journal of Biosciences and Biotechnology Jurnal Agribisnis dan Agrowisata (Journal of Agribusiness and Agritourism) E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) INTERNATIONAL JOURNAL OF ENVIRONMENT AND GEOSCIENCES Evolusi: Journal of Mathematics and Natural Sciences Nandur
I Made Mega
Program Studi Agroekoteknologi Fakultas Pertanian Universitas Udayana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Mathematics Social Sciences

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Perbedaan Sifat Biologi Tanah pada Beberapa Tipe Penggunaan Lahan di Tanah Andisol, Inceptisol, dan Vertisol GUSTI AGUNG AYU RATIH SARIDEVI; I WAYAN DANA ATMAJA; I MADE MEGA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.2, No.4, Oktober 2013
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Differences in the nature of Soil Biology in Several Types of Land Use Land Andisol, Inceptisol, and Vertisol The aim of this research is to find out the difference of biological properties of soil on several types of land use in Andisol, Inceptisol, and Vertisol soil. The research was conducted on November 2012 until January 2013, starting from sample collection preparation up to soil analysis. Soil sample collection was conducted at Batunya Village (Andisol soil), Kuwum Village (Inceptisol soil), and Pererenan Village (Vertisol soil). Soil sample was analyzed at Soil Laboratory, Faculty of Agriculture University of Udayana. The design used was Randomized Block Design (RAK) of nested pattern with 2 factors, that was soil type factor (T) consisted of Ta (Andisol Soil), Ti (Inceptisol Soil), and Tv (Vertisol Soil), and second factor of land use type (L) consisted of Ls (irrigated land use types with rice), Lc (mixed farming), and Lj (irrigated land use types with corn). The parameters observed in this research among others were total bacterial population, total fungi population, respiration, C-organic content, N-total content, the ratio of C/N and pH. Andisol soil with land use type of mixed farmland (TaLc) has the highest total of bacterial population, at 6,26 x 108 spk g-1 of soil, highest total fungi population and highest respiration. Inceptisol soil with land use type of mixed farmland (TiLc) has the highest total bacterial population, at 6,62 x 108 spk g-1 of soil, highest total fungi population and highest respiration. Vertisol soil with land use type of mixed farmland (TvLc) has the highest total bacterial population, at 6,07 x 108 spk g-1 of soil, highest total fungi population and highest respiration. Andisol, Inceptisol, and Vertisol with three types of land use that are rice field, mixed farmland, and corn field have different biological properties. The type of land use of mixed farmland has biological properties of soil higher than other types of land use. Key words: Type of soil, Type of land use, and Biological properties of soil
Klasifikasi Dan Pemetaan Famili Tanah Berdasarkan Sistem Taksonomi Tanah di Desa Penatih Dangin Puri Kecamatan Denpasar Timur IDA AYU SRI MAS ARY SUSANTHI; I MADE MEGA; KETUT SARDIANA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.3, No.2, April 2014
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Classification and Mapping of Soil Family Based on Soil Taxonomy System at Penatih Dangin Puri Village, District of East Denpasar. The research at Penatih Dangin Puri Village, aims to classify and mapping the soil at Penatih Dangin Puri Village based on Soil Taxonomy System up to soil family category. This research was using soil survey method at the field to observed soil morphology, soil test at laboratory for the properties of physical, chemical, and clay fraction mineralogy. Soil classification was conducted until soil family category, semi detailed soil mapping with the scale of 1 : 25.000. The result of soil classification showed that the soil at Penatih Dangin Puri Village is classified into the order of Inceptisol and Mollisols, sub-order of Aquepts and Udolls, great group of Epiaquepts and Hapludolls, sub-group of Typic Epiaquepts, Typic Hapludolls, and Aeric Epiaquepts, family of Typic Epiaquepts, very fine, mixed, isohyperthermic; Typic Hapludolls, fine, mixed, isohyperthermic and Aeric Epiaquepts, fine-loamy, mixed, isohyperthermic. Semi detailed soil mapping with the scale of 1: 25.000 at Penatih Dangin Puri Village generates 5 SPT (Soil Mapping Unit), namely: 1) Association of Typic Epiaquepts, very fine, mixed, isohyperthermic with Aeric Epiaquepts, fine-loamy, mixed, isohyperthermic; 2) Typic Epiaquepts, very fine, mixed, isohyperthermic; 3) Typic Hapludolls, fine, mixed, isohyperthermic; 4) Typic Hapludolls, fine, mixed, isohyperthermic; and 5) Typic Hapludolls, fine, mixed, isohyperthermic. Keywords: soil classification, soil mapping, penatih dangin puri village
Evaluasi Kesesuaian Lahan untuk Tanaman Kopi Robusta (Coffea canephora) di Desa Pajahan Kecamatan Pupuan Kabupaten Tabanan SUTAN TANTOWI DERMAWAN; I MADE MEGA; TATI BUDI KUSMIYARTI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.2, April 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Evaluation of Land Suitability for Robusta Coffee Plant (Coffea canephora) in Pajahan Village, Pupuan Sub-district, Tabanan Regency Robusta coffee (Coffea canephora) is one of the agricultural commodities that have a profitable prospect. Pupuan sub-district is concentrated of Robusta coffee in Bali Province. Pajahan Village is one of the 14 villages located in Pupuan sub-district which also built Robusta coffee. Based on data from the Central Bureau of Statistics (CBS) of Pupuan Sub-district, coffee production in Pajahan Village has continued to decline since 2012 until 2016. Evaluation of Land Suitability is a way to know the limiting factor in the research area. Land evaluation conducted by matching method between land characteristic / quality with growth requirement of plant evaluated. The research was conducted in Pajahan Village, Pupuan Subdistrict and Laboratory of Soil, Faculty of Agriculture - Udayana University. The research was conducted from October to December 2017. The results showed that the actual land suitability classes on the IILckK land unit is S3na2, IIILckK is S3na2.eh1 and IVLckK is Neh1. Fertilization, addition of organic matter, terracing and proper land cover can increase the class of land suitability to be appropriate marginal (S3) to very appropriate (S1). The limiting factor of dry season and moisture is a major limiting factor that can not be repaired.
Kajian Potensi Sumberdaya Lahan Untuk Pengembangan Tanaman Hortikultura Di Kecamatan Manggis Kabupaten Karangasem I MADE MEGA; I NYOMAN PUJA; I NYOMAN SUNARTA; I WAYAN NUARSA
Agrotrop : Journal on Agriculture Science Vol 4 No 1 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The Study of Land Resource Potentials at Manggis District, Karangasem Regency forDevelopment of Horticulture Crops.The objective of the research was to study the potential ofland resources for growing horticulture crops at Manggis District, Karangasem Regency. Soil surveyand laboratory analysis were used in this research. The parameters of soil characteristics observedwere soil morphology in the fields, and physical and chemical properties. The results showed that thelands of Manggis District classified into ‘suitable enough’ until ‘very suitable’ for growing horticulturecrops. The limited factors were root medium; nutrient retention and terrains
Kajian Unsur Hara Tanah Sawah Untuk Menentukan Tingkat Kesuburan I NYOMAN PUJA; A.A. NYOMAN SUPADMA; I MADE MEGA
Agrotrop : Journal on Agriculture Science Vol 3 No 2 (2013)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Study on Soil Nutrients in Rice Field to Determine Soil Fertility Status.Research of soilnutrients in rice field to determine soil fertilitystatus had been done on rice field in district Penebel,Tabanan regency.This study aimed to assess level of soil fertility status on rice field.The research wasconducted by survey and laboratory analysis. The study consists of several stages such as, the formationof the land unit based on the compilation maps of soil type, geology and slope.It’s obtained 11 landunits. Each unit tookone samples. The soil sample was analyzed for Cation Exchange Capacity andCation Saturated (NH4OAC extractional pH 7,0); N-Total (Kjeldhal); P-total and K-total (HCl 25% extraction); Salinity (EC), Organic matter(Wokly and Black)and pH (H2O)(1 : 2,5). The analysisproceseshave done at Soil laboratory, Faculty of Agriculture, Udayana University.The result oftheresearch show that status of soil fertilityon rice field at district Penebel, Tabanan regency are low1.478,551ha (29.16%), medium2.286,721 ha (63.83%), and high2.286,721 ha (6.01%).
Formulasi Inokulan Jamur Pembentuk Gubal Gaharu pada Tanaman Ketimunan (Gyrinops versteegii) I MADE MEGA; DEWA KETUT SUANDA; DESAK NYOMAN KASNIARI; WAYAN SUENA; MADE ADI OKA PARWATA
Agrotrop : Journal on Agriculture Science Vol 2 No 2 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

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This study aims to find the most effective formulation of the gaharu agar wood forming fungi inoculantswhich infect Gyrinops versteegii plants, thus producing high quality agar wood. The method used inthis research is the randomized block design (RBD) with three replication. The treatments were twofungi as inoculant applied saperately each and a combination of Rhisopus sp. and Fusarium sp. in theform of solid and liquid. The treatments tested were: (A) Fusarium solani fungi inoculant in solid form,(B) Rhisopus sp.fungi inoculant in solid form, (C) Mixture of Rhisopus sp. and Fusarium solani fungiinoculants in solid form, (D) Fusarium solani fungi inoculant in liquid form, (E) Rhisopus sp.fungiinoculants in liquid form, (F) Mixture of Rhisopus sp. and Fusarium solani fungi inoculants in liquidform, and (G) A combination of solid and liquid of Rhisopus sp. and Fusarium solani fungi inoculants.The parameters measured were the agar wood formed: agar wood fragrance level, color of agar woodand resin content of the agar wood. Furthermore, the data is analyzed statistically by analysis ofvariance. The results showed that, treatments of inoculants formulations significantly affects the aromaand resin content of agar wood. Formula of G (a combination of solid and liquid Rhisopus sp. andFusarium solani fungi inoculants) and F (a combination of liquid Rhisopus sp. and Fusarium solanifungi inoculants) produced agar wood of the highest quality compared to other formulas. Formula Gand F produced each agar wood with black and blackish-brown colour, with strong aroma (fragrance),and a resin content of 7.69% and 6.98%.
KARAKTERISTIK TANAH ANDISOL PADA LAHAN KERING DI DESA BATUNGSEL, KECAMATAN PUPUAN, KABUPATEN TABANAN UNTUK BUDIDAYA KOPI DAN SALAK IDA AYU SUTYADNYANI; I MADE MEGA
Agrotrop : Journal on Agriculture Science Vol 1 No 1 (2011)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The Characteristics of Andisol on Dryland at Batungsel Village, Pupuan District, Tabanan Regency for Growing Coffe and Salacca The purpose of the research was to know the characteristics of Andisol on dryland at Batungsel village, Pupuan District, Tabanan Regency for growing coffea and salacca plant. Soil survey methods and laboratory analysis were used in this research. The parameters of soil characteristics were observed i.e. soil morphology in the fields, physical and chemical, and mineralogical properties. Soil classification was done based on Soil Taxonomy system by using Keys to Soil Taxonomy (2003). Soil characteristics were: soil colour was dark bown, solum depth was deep (>100 cm),CEC was high, base saturation was high, and had a good soil fertility.Based on Soil Taxonomy system, the soil families were Typic Hapludands, ashy, isohyperthermic. The land suitability was suitable enough for coffea and salacca.
Kajian Kualitas Beberapa Pupuk Kompos Produksi Simantri di Daerah Bali Sesuai dengan Standar Nasional Indonesia Tahun 2004 (SNI 19-7030-2004) A.A. NYOMAN SUPADMA; I MADE MEGA; I MADE DANA
Agrotrop : Journal on Agriculture Science Vol 8 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Study of the Quality of Some Compost Fertilizer Simantri Production in Bali in Accordance with Indonesian National Standard-2004 (SNI 19-7030-2004). In Bali currently has circulated various types of compost, but testing of the quality most have not done regularly. Efforts to protect the consumer need to be implemented through the compost quality testing in the laboratory. This is done to prevent counterfeiting and ensure the quality of the compost is already in line with the quality standard SNI-2004. Among compost circulating in Bali, is compost Gapoktan Simantri production. The purpose of this study is to determine some of the physical and chemical properties of some Simantri’s compost circulating in Bali, whether in accordance with the criteria of the quality of compost SNI 19-7030-2004. Compost quality standards SNI-2004 are water content (<50%), pH (6.8 to 7.49), total-N (> 0.4%), C-organic (9.80 to 32%), P2O5 (> 0.10%), K2O (> 0.20%), C / N ratio (10-20), organic matter (27-58%), smells like soil, blackish color, and the temperature not hot. Compost sampling method for testing a composite on Gapoktan Simantri in Bali as many as 20 samples of compost. Parameters include: water content (grafimetri), pH (electrode glas), total-N (method of Kjeldhal), P2O5 and K2O (method of extracting HCL 25%), organic C (method of Walkley and Black), material organic, EC (coductometer), C/N ratio, color, temperature, and smell of the compost. Data obtained from the analysis in laboratory are compared to standard quality of compost according to SNI 19-7030-2004. The results showed that the total-N of compost Simantri is very high (1.13 to 2.11%), P content is very high (0.103 to 0.123%), K content is very high (0.902 to 2.342%), C-organic is very high (14.08 to 25.48%), C/N ratio (10.52 to 18.52), organic matter (24.87 to 43.93%) (all of these parameters in accordance with SNI-2004) ; pH (6.65 to 8.36) (some not suitable SNI-2004), EC (2.31 to 8.46 mmhos/cm2) (some very high), moisture content (36.60 to 56.60%) (some not suitable SNI-2004), blackish color, smells like soil, and temperature not hot (according to the standard SNI-2004).The majority (57.14%) of compost Simantri examined in accordance with the standard quality compost SNI-2004, but (42.86%) is not in accordance (pH and water content of compost).
Peningkatan Hasil Tanaman Kedelai melalui Pemberian Pupuk Organik Cair Biourin dan Dosis Pupuk Fosfat A.A. NYOMAN SUPADMA; I NYOMAN PUJA; I MADE MEGA
Agrotrop : Journal on Agriculture Science Vol 4 No 2 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

An Increase of The Yield of Soybean with Application of Biorine and Phosphorous Fertilizers. The experiment was conducted at green house of the Field Laboratory of Faculty of Agriculture, Udayana University, located at Pegok Denpasar. The Randomized Block Design (RBD) was arranged with three replications and nine treatments. The treatments namely : A (400 ml biourine L-1 water + 0 kg SP-36 ha-1), B (350 ml biourine L-1 water + 25 kg SP-36 ha-1), C (300 ml biourine L 1 water + 50 kg SP-36 ha-1), D (250 ml biourine L-1 water + 75 kg SP-36 ha), E (200 ml biourine L-1 water + 100 kg SP-36 ha-1), F (150 ml biourine L-1 water) + 125 kg SP-36 ha-1, G (100 ml biourine L-1 water + 150 kg SP-36 ha-1), H (50 ml biourine L-1 water + 175 kg SP-36 ha-1), I (0 ml biourine L-1 water + 200 kg SP-36 ha-1). The statistical analysis showed the treatments had significant effects on the variable of the weight of grain dry oven, 12% of water-containing weight of grain, and estimation of yields of 12% of water-containing weight of grain per hectar, but not significant to the number of nodule, height of plant, weight of plant, and weight of grains at post harvest. The highest yields of soybean was found on E treatment (37,30 ku ha 1).
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.
Co-Authors A.A.NYOMAN SUPADMA D.N. KASNIARI Dewa Ayu Swastini DEWA KETUT SUANDA Dewa Ketut Suanda DJIAN NILAM SARI Febrin Sidabutar GUSTI AGUNG AYU RATIH SARIDEVI I DEWA MADE ARTHAGAMA I Gede Ketut Susrama I GUSTI AGUNG AYU AMBARAWATI I GUSTI PUTU RATNA ADI I Ketut Mangku Budiasa I Ketut Sardiana I MADE ADNYANA I MADE DANA I MADE DANA I Made Oka Adi Parwata I Nengah Netera Subadiyasa I Nyoman Dibia I Nyoman Puja I NYOMAN SUNARTA I WAYAN BUDIASA I Wayan Dana Atmaja I Wayan Nuarsa IDA AYU SRI MAS ARY SUSANTHI IDA AYU SUTYADNYANI Ketut Dharma Susila MADE SRI SUMARNIASIH Mei Esra Lestari Ni Luh Kartini NI MADE TRIGUNASIH PEDRO BARUS PUTU CANDRA LINDARI RADEGUNDA AGUSTA JINOTRI REZA ADELIA SUTAN TANTOWI DERMAWAN Tati Budi Kusmiyarti TRISNA AGUNG PHABIOLA WAYAN SUENA