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All Journal Agrotrop : Journal on Agriculture Science Jurnal Agribisnis dan Agrowisata (Journal of Agribusiness and Agritourism) E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Nandur

I PUTU DHARMA

Program Studi Agroekoteknologi Fakultas Pertanian Universitas Udayana

Author-ID : 2951864

Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Social Sciences

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Pengaruh Jarak Tanam dan Mulsa Jerami Padi terhadap Pertumbuhan dan Hasil Tanaman Jagung (Zea mays L.) MUHAMMAD HATTA NUGROHO; I PUTU DHARMA; NI MADE TRIGUNASIH
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.9, No.4, Oktober 2020
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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The Effect of Spacing and Mulching of Rice Straw on Growth and Yield of Corn (Zea mays L.) Corn is the second staple food after rice in Indonesia. Corn as an energy source has advantages compared to other feed ingredients. This research aims to determine the effect of spacing and mulching of rice straw on the growth and yield of corn. This study used a randomized block design (RAK) with the allocation of factorial treatment. The treatment used consisted of 2 factors. (J1) spacing of 50 cm x 50 cm, (J2) spacing of 75 cm x 25 cm, (M0) straw mulch 0 tons/ha, (M1) straw mulch 10 tons / ha, (M2) straw mulch 20 tons/ha. Combination treatments obtained 6 treatments namely; M0 J1, M0 J2, M1 J1, M1 J2, M2 J1 and M2 J2. Each combination treatment was repeated 4 times, so there were 24 study plots. The treatment of spacing significantly affected the weight of dry seeds/m2, very significant on the number of fobs/m2, LAI (Leaf Area Index), fresh weed weight/m2 aged 8 and 12 mst. The spacing of 75 cm x 25 cm resulted in the weight of dry seeds/m2, which was 1.04 kg, which was 20% higher than the spacing of 50 cm x 50 cm 0.83 kg. Rice straw mulch treatment had a significant to very significant effect on the observed variables except 10 mst soil water content, leaf/plant chlorophyll content, number of cobs/m2, and ear diameter. Giving rice straw mulch 20 tons/ha resulted in dry seed weight/m2, which was 1.07 kg 33% higher than without mulch 0.72 kg. The interaction of plant spacing with rice straw mulch has a significant effect on LAI and is very significant on the weight of fresh weed/m2 ages 8 and 12 mst. The interaction of 50 cm x 50 cm spacing with 20 tons/ha rice straw mulch obtained the best results but was not significantly different from the treatment of 75 cm x 25 cm with 20 tons/ha of rice straw mulch.

Analisis Populasi Tanaman Bayam Cabut (Amaranthus Spp. L.) dan Sawi Hijau (Brassica juncea L.) pada Sistem Bertanam Vertikultur NI LUH BUDI ASIH; I PUTU DHARMA; ANAK AGUNG ISTRI KESUMADEWI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.9, No.3, Juli 2020
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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The Population Analysis of Spinach (Amaranthus Spp. L) and Green Mustard (Brassica Juncea L.) Crops on Verticulture System Production of spinach and mustard greens in Denpasar is still low. The effort to increase the vegetables production need to be done with a verticultural system but the crops population should be considered. Therefore, a greenhouse experiment to find out the optimal population of spinach and mustard greens grown under verticulture system had done on July - November 2016 in Denpasar. The experiments was conducted using randomized split block design with three replications.The treatments were consisting spinach and green mustard as the main plot and the additional factor consisted of five population levels, namely 8, 12, 16, 20 and 24 plants per container. The total number of experimental units was 30. The population effect of spinach and mustard greens was shown on fresh weight variables per plant which were analyzed by regression analysis. The results of the regression analysis on fresh weight variables per plant showed that the population negatively affected the fresh weight of spinach plants per plant and had a positive effect on the fresh weight of green mustard plants per plant.

Pengaruh Pemberian Berbagai Macam Pupuk terhadap Pertumbuhan dan Hasil Tanaman Gumitir (Tagetes erecta L.) I NYOMAN INDRA BAYU NATA; I PUTU DHARMA; I KETUT ARSA WIJAYA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.9, No.2, April 2020
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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The Effect of Giving Various Kinds of Fertilizer on Growth and Yield of Gumitir Plants (Tagetes Erecta L.) Gumitir flower is one of the flowers used for ritual facilities by Balinese Hindus, besides it is used for tourism purposes. One of the efforts to increase growth and development as well as the quality of gumitir products is to provide adequate and balanced nutrient supply through fertilization. The purpose of this study was to analyze the effect of giving various kinds of fertilizer on growth and yield of gumitir plants (Tagetes erecta L.). This study used a Randomized Block Design with four replications and six treatments namely TP (without fertilizer), PG (Gandasil B fertilizer), PN (NPK Mutiara fertilizer), PU (Urea fertilizer), PB (Bio Urine fertilizer), and PS (fertilizer SP-36). The parameters observed were plant height (cm), number of branches per plant (fruit), time of flower buds appearing (days), fresh flower weight (g), diameter per flower (cm), number of fresh flowers per plant (grains), total weight of fresh flowers per plant (kg), fresh crop weight per plant (g), and oven dry perchart weight per plant (g). The results showed the type of fertilizer treatment gave a real effect on all observed variables. The NPK pearl fertilizer treatment yielded the highest total fresh flower weight per plant which was 2.15 kg, a markedly higher increase of 65.11% compared to the treatment without fertilizer and 53.48% compared with Bio Urine but not significantly different from the treatment of SP-36 fertilizer, Gandasil B fertilizer and Urea fertilizer.

Kajian Posisi Bahan Setek Batang Dan Dosis Rootone-F Pada Perbanyakan Tanaman Markisa Kuning (Passiflora edulis var. flavicarpa) I PUTU EKO SURYA ARIANTA; I PUTU DHARMA; I WAYAN WIRAATMAJA
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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Study of Stem Position Cuttings and Rootone-F Dosage for Yellow Passion Fruit Propagation (Passiflora edulis var. flavicarpa) Yellow passion fruit (Passiflora edulis var. Flavicarpa) is a type of sour passion fruit that is generally grown in low to medium plains. This passion fruit has an oval round shape, yellow when ripe and green when young. Mostly the yellow passion fruit was propagated sexually by seed, while vegetative methods can be done by means of connection, cuttings and tissue culture. Passion fruit propagation is easier and faster to cloned than other vegetative propagation methods. The focus to know the different result of stem position treatment and administration of Rootone-F growth regulator and its interaction on the growth of yellow passion fruit cuttings. This study used a 2-factor factorial design, namely: treatment of stem position and administration of Rootone-F growth regulator. The observed variables were shoot growth time, shoot oven dry weight, shoot length, primary root number, primary root length, root oven dry weight, number of leaves, leaf area, leaf oven dry weight, total wet weight, total oven dry weight. The results showed that the highest root oven dry weight was obtained in the treatment at the base of the stem with a dose of Rootone-F 225 mg / cuttings (P3Z3) with a root oven dry weight of 3.30 grams.

Pemantauan Populasi Imago Spodoptera litura dan Helicoverpa armigera Menggunakan Perangkap Seks Feromon GUSTI NGURAH GEDE DHARMA PUTRA PUTRA; I PUTU SUDIARTA; I PUTU DHARMA; KETUT SUMIARTHA; R. SRINIVASAN
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.2, No.1, Januari 2013
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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ABSTRACT Monitoring of Imago of Spodoptera litura and Helicoverpa armigera Using Sex Pheromone Trap The utilization of sex pheromone to control insect pest is one of advance technology. The sex pheromone is one method to control insect pests for support food security. In other to know the ability of sex pheromone to trap insect the monitoring of insect using sex pheromone is needed. The lure of sex pheromone, glue, and box trap were imported from AVRDC-The World Vegetable Center. Sex pheromone trap is putted on the vegetable area in Bali, the locations including Sandan, Kembang Merta, Candi Kuning (Tabanan Regence) and Pancasari (Buleleng Regence). On each location trap was placed with two replications. Data collection was conducted every week, on 3rd week observation the imago/moth population is completely reduce. Therefore the trap was replaced for the new trap. That mean the observation was conducted 3 times per experiment (Observation 1,2,3). In this case the experiments were done 2 times (Experiment 1 and 2). The identification of imago was base on the morphological method. The imago was accounted for data collection. The decrease of population of Spodoptera litura and Helicoverpa armigera after 3 week observation is possible caused by the ability of pheromone active ingredient is also decrease. The distribution of imago S. litura and H. armigera are same for all locations. However the total population of S. litura and H. armigera is different. The population of S. litura was very high in all locations around 51-107. However the population of H. armigera was generally low except in Sandan Tabanan (70). In Pacasari the population of H. armigera was lowest around 14-15. The differentiation of imago S. litura and H. armigera were possible influenced by the host plant, altitude and also climate conditions. Key worlds: sex pheromone, Spodotera litura, Helicoverpa armigira

Pengaruh Berbagai Waktu Pemotongan Pucuk Bahan Setek dan Taraf Dosis Rootone F Terhadap Pertumbuhan Setek Pendek Panili (Vanilla Planifolia Andrews) VITARIVERA TAMPUBOLON; I NYOMAN SUTEJA; I PUTU DHARMA
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 Effect of Various Timing on Bud Cutting as Cuttings Material and Dosage of Rootone F on the Growth of Vanilla Short-Cutting (Vanilla planifolia Andrews) Vanilla (Vanilla planifolia Andrews) can generally be propagated by seed (generative) and vegetative by cuttings. As the multiplication by seed takes longer to flowering, thus the vanilla propagation for commercial purpose is done by cuttings. This study aims to determine the effect of time on bud cutting as cuttings material and dosage of Rootone F as well as its interactions on the growth of vanilla short-cuttings. This study uses two factors factorial design, i.e.: time on bud cutting as cuttings material and dosage of Rootone F. The result of the research showed an interaction between time on bud cutting as cuttings material and dosage of Rootone F provides a very significant effect on the variable of oven dried stems shoots weight, and showed a significant effect on the variable total oven dry weight; while other variables showed no significant effect. Treatment of time on bud cutting as cuttings material (P) showed highly significant effect on the variable of time to sprout, while the other variables showed no significant effect. Dosage of Rootone F (D) showed no significant effect on all variables. The interaction of time on bud cutting as cuttings material 8 days before planting with Rootone F dose of 100 mg / 1 ml of water provides a better growth of vanilla short-cuttings with the highest total oven dry weight is 1,12 grams and has increased 89.83% compared to the bud cut when the cuttings is about to be planted and Rootone F dose of 0 mg / 0 ml of water. Keywords: Vanilla time on shoot-cutting as cuttings material, Rootone F, nurseries, vanilla.

Penerapan Strategi dan Teknologi PHT untuk Mendukung Syarat Kualitas Produk Pertanian dalam Menghadapi Era Perdagangan Global (Review) GEDE MENAKA ADNYANA; I PUTU DHARMA; UTAMI UTAMI
Agrotrop : Journal on Agriculture Science Vol 6 No 1 (2016)
Publisher : Fakultas Pertanian Universitas Udayana

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Implementation Strategy and Technology of IPC to Support Terms of Quality Agricultural Products Era Dealing in Global Trade. In the era of free trade in the world, export-import activities, especially agricultural products and other dairy products, according to the agency authorized trade-WTO states that the flow of goods can no longer inhibited by rules such as tariffs and other barriers, but by the quality standards of agricultural and processed products. Faced with this situation, the government of Indonesia through the Ministry of Agriculture has issued regulation No. 27/Permentan/PP.340/5/2009 about oversight of expenditures and revenues fresh food of plant origin. In addition, it was also applied to the field school IPC and implement SOPs for agricultural products exported as coffee and cocoa.

Kesesuaian Kualitas Air Irigasi untuk Padi Sawah di Daerah Irigasi Mambal I GUSTI NGURAH SANTOSA; I PUTU DHARMA
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Suitability of Irrigation Water Quality for Rice in Mambal Irrigation Area. Mambal irrigation area is located in southern region of Bali, close by urban area. It consists of 42 Subak which covered 4.820 ha. However, the total area that still exists today is only 2.978 ha, and it is considered potential in increasing rice production and supplying rice in order to support food self-sufficiency in Bali. The increase of population is considered as the factor of wetland conversion because, the growth of population leads to variety of purposes such as shelter (housing), tourism/hotel, accommodation, business/home industry, livestock, public facilities, etc. Therefore, the activities done on the wetland conversion area automatically changed. That activity on conversion area consequences in both liquid or solid waste, and it is often discharged into rivers or irrigation channels. Consequently, it may cause irrigation water pollution. Poor quality of irrigation water can endangering rice plant growth and reduce the production, which means blocking or inhibiting food self-sufficiency. This study is considered as field and laboratory research. There are some field activities done, namely observation of the pollution sources and types of pollutants, as well as waste disposal mechanisms and technologies used to tackle pollution. In order to determine the quality of irrigation water, the water samples taken in the primary channel (1 water sample), secondary channel (1 water sample), tertiary channel (1 water sample), and field area (3 samples of water). All water samples are analyzed at the Analytical Laboratory of Udayana University. The results of the study are the sources of pollution come from channel natural environments, public facilities, housing and household waste. It was found that there are some types of waste, namely natural garbage, artificial garbage, liquid or solid waste in small amount. The mechanism of waste disposal is done conventionally and there is no application of technology of waste disposal. The outcome of the study is irrigation water quality for rice is still suitable for irrigation.

Pengaruh Frekuensi Pengolahan Tanah dan Pupuk Kompos terhadap Sifat Fisik Tanah dan Hasil Jagung I PUTU DHARMA; I NYOMAN PUJA
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

The Effect of Soil Tillages Frequency and Compost Fertilizer on Soil Physical Properties and Corn Yields. The aims of this research is to determine of effect soil tillage frequency and compost fertilizer on soil physical properties and corn yields. The method was used a Randomized Block Design (RBD), factorial consisting of two factors, namely: Soil Tillages Frequency (T) consists of 3 levels, namely: T0 = no tillage; T1 = if one time and T2 = if twice. Compost Fertilizer (K) consists of 3 levels, namely: K0 = Without compost, K1 = 5 tons compost/ha and B2 = 10 tons compost/ha. Combination treatment into 9 treatments, namely T0K0 , T0K1, T0K2, T1K0, T1K1, T1K2, T2K0, T2K1, T2K2. and each treatment was repeated 3 times, so there were 27 research plots.The results showed that the soil tillage frequency and compost fertilizer had no significant effect on the soil physical properties and corn yields. Twice soil tillage frequency resulted bulk density, porosity, soil moisture content and dry corn yields respectively 1.01 g/cm3, 60.98%, 37.31% and 0.83 kg/m2, and not significant different compared with no tillage which is 1.03 g/cm3, 60.43%, 36.57% and 0.81 kg/m2. Addition of 10 tons compost/ha resulted bulk density, porosity, soil moisture content and dry corn yield respectively 0.99 g/cm3, 61.75%, 38.21% and 0.86 kg/m2, and not significant different compared with without compost fertilizer which is 1.06 g/cm3, 59.40%, 36.44% and 0.80 kg/m2.

Aplikasi Pemberian Tinggi Genangan dan Dosis Pupuk Organik terhadap Hasil Padi Varietas Ciherang GEBY SAHALA SIMAMORA; I PUTU DHARMA; GEDE MENAKA ADNYANA
Agrotrop : Journal on Agriculture Science Vol 8 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

The Application of High Puddle and Organic Fertilizer on Rice Yield Ciherang Variety. Rice (Oryza sativa L.) is the staple vital food of Indonesian people. National rice production has not been able to meet the needs of the population, despite many efforts such as the use of improved varieties, fertilization, the use of agricultural machinery, and the use of pesticides. This study aimed to determine the effect of water level and organic fertilizers on crop yields of rice. This experiment used randomized block design in a simple treatment, namely the combination of the water level and the dose of organic fertilizer. This research using analysis of variance (ANOVA) to determine the effect of treatment on the variables tested. If treatment significant it will be followed by LSD test 5%. The results showed that the treatment of combination of water level and organic fertilizers provide a very real effect on the growth and yield of rice (Harvest dry grain yield ha-1). Harvest dry grain yield ha-1 obtained at the highest AMP2 treatment, namely without flooding water and organic fertilizers and 6 t ha-1 at 10.92 t ha -1 were significantly higher 70.09 % compared to the treatment of farmers. Based on the research results, it can be recommended that the application of water-saving cultivation of organic fertilizer with a dose of 6 t ha -1 needs to be done to improve rice yields.

Co-Authors Anak Agung Istri Kesumadewi ANAK AGUNG MADE ASTININGSIH GEBY SAHALA SIMAMORA GEDE MENAKA ADNYANA GUSTI NGURAH GEDE DHARMA PUTRA PUTRA HESTIN YUSWANTI HILDA ORITA SARAGIH I Gede Setiawan Adi Putra I GUSTI ALIT GUNADI I GUSTI AYU AGUNG LIES ANGGRENI I GUSTI NGURAH DJORDI JUNIADA I GUSTI NGURAH SANTOSA I KETUT ARSA WIJAYA I Ketut Suamba I KETUT SUMIARTHA I MADE GANNAL DWI SAPUTRA I MADE MARTANA DIPUTRA I Made Sukewijaya I Nyoman Dibia I NYOMAN GEDE ASTAWA I NYOMAN INDRA BAYU NATA I Nyoman Puja I NYOMAN RAI I NYOMAN SUTEDJA I NYOMAN SUTEJA I PUTU EKO SURYA ARIANTA I Putu Sudiarta I WAYAN ADI WIRAWAN I WAYAN WIRAATMAJA KARINA SAFITRI MADE KAMASAN DHARMA YUDHA MUHAMMAD HATTA NUGROHO NI LUH BUDI ASIH NI NYOMAN ARI MAYADEWI NI NYOMAN ARYANINGSIH NYOMAN RESI ARNINGSIH R. SRINIVASAN ROMAN UMBU HAUMARA SISMAWANTI DAYU MALINDA SRIYANTO SRIYANTO TINA KOGOYA UTAMI UTAMI UTAMI UTAMI VITARIVERA TAMPUBOLON WAYAN LANA Yoga Yuniadi Yoshua Aurelio Tarigan

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