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Program Studi Magister Sains Pertanian, Program Pascasarjana, Universitas Warmadewa jalan Terompong No 24, Denpasar, Bali
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INDONESIA
Agriwar Journal
Published by Universitas Warmadewa
ISSN : 28081323     EISSN : 28081137     DOI : https://doi.org/10. 22225/aj
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agriwar Journal is an agricultural science journal published for the development of science and technology in the use of natural resources and sustainable agricultural management, which provides a forum for publishing research articles or review articles. This journal includes original research articles, review articles and brief communication bases for agricultural development including; Agronomy, Soil Science, Pest Disease Control, Food Technology, Biotechnology, Fisheries, Aquatic Resources Management, Livestock, Animal Feed Nutrition, Agribusiness, and Agroindustry.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 5 Documents
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Search results for , issue "Vol. 1 No. 2 (2021): Agriwar Journal" : 5 Documents clear
Efficiency Analysis and Marketing Channels of Tilapia Seed Production I Wayan Sudana
Agriwar Journal Vol. 1 No. 2 (2021): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

Waste is unwanted residual material after the end of a process. The problem of waste has become a global issue that is a threat to the environment if it is not properly managed. Based on data from the Klungkung Regency Environmental Service in 2019, from four sub-districts in Klungkung Regency namely Dawan, Banjarangkan, Klungkung, and Nusa Penida, the volume of waste per day is more than 115,000 kg/person/day from a population of more than 230 thousand people, when compared production average waste production weighing 0.5 kg per person/day. Meanwhile, in terms of composition, the highest amount of waste is organic waste (68%), dust, rock and the like (8%), glass and plastic bottles 7%, followed by sheet plastic 5% and plastic 4%. The results of the analysis and depiction on the graph of the survey results were 4 (four) villages that had a high percentage of segregation, namely Semarapura Kauh Village (83.33%), followed by Semarapura Tengah (82.23%), followed by Semarapura Kangin Village (78.87. %) and Semarapura Kaja (75.21%). The results of this study prove that two locations have a very low level of sorting waste (less than 50%), namely Jempriring street in Semarapura Klod (47.61%), Rama street (42.11%), and Puputan street in Semarapura Kangin (44.73%). From this research, it can be concluded that public awareness of sorting waste in the two locations is still lacking.
The Effectiveness of Coal-Based Organic Fertilizer and Cow Manure on Yield Quality of Several Tomato Varieties (Lycopersicum esculentum L.) Ida Bagus Komang Mahardika; Made Sri Yuliartini; I Gusti Made Arjana
Agriwar Journal Vol. 1 No. 2 (2021): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

Tomato is an important vegetable crop and has been widely cultivated as a garden plant or commercially. The purpose of this study was to measure the effectiveness of organic fertilizer based on coal and cow dung based on several tomato varieties. This study used a factorial randomized design with two factors, namely the type of fertilizer consisting of "Saputra" coal fertilizer (BB), "Bio Alam Asri" manure (BA) and without organic fertilizer (B0); and the other factor is the tomato variety factor (V), namely Servo F1 (VS), Gustavi F1(VG), and Fortuna 23 (VF). Based on the results of the study, it was found that the treatment of BB and BA, in general, had a significant effect on vegetative growth and generative yields including fruit quality in the three tomato varieties tested. The highest number and fresh weight of tomatoes per plant were obtained in the treatment of BB, namely 44.00 fruits and 3.00 kg, higher than BA fertilizer, namely 39.11 fruit and 2.62 kg, and B0 namely 34.00 pieces and 2.20 kg. The highest number and fresh weight of tomatoes per plant were obtained in VS varieties, namely, 42.33 fruits and 2.74 kg, followed by VG varieties at 40.11 fruits and 2.71 kg and the lowest was VF at 34.67 fruit and 2.38 kg. The highest vitamin C content of fresh fruit was obtained in the BB treatment, which was an average of 36.75 mg/100g, higher than the treatment with BA fertilizer and B0, which were 32.81 mg/100g and 31.07mg/100g.
The Effect of the Length of Cuttings and the Dose of Rabbit Manure on the Growth and Yield of Purple Sweet Potato (Ipomoea Batatas L. Poiret) I Putu Adi Masaji; Made Suarta; Ketut Agung Sudewa
Agriwar Journal Vol. 1 No. 2 (2021): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

This study aims to determine the effect of the length of cuttings and the dose of rabbit manure on the growth and yield of purple sweet potato, which was carried out in Banjar Uma Kepuh, Buduk Village, Mengwi District, Badung Regency, Bali Province. The implementation time of the research starts from March - July 2021. The design used in this experimental design is a Randomized Block Design (RDB). The first factor was the length of the cuttings: S1 (40 cm), S2 (50 cm), and S3 (60 cm). The second factor was the dose of rabbit manure K0 (without fertilizer), K1 (5 tons/ha), and K2 (10 tons/ha). Observation variables included stem length per plant, number of shoots per plant, number of leaves per plant, tuber diameter per plant, number of tubers per plant, fresh weight of tuber per plant, fresh weight of tuber per plant, the weight of oven tuber per plant, dry weight number of ovens per plant and harvest index. The results showed that the length of the cuttings had a significant to a very significant effect on the observed variables except for the largest tuber diameter per plant, tuber fresh weight per plant, and tuber fresh weight per plant had no significant effect. The results of this study indicate that the best cutting length is 50 cm. The dose treatment of rabbit manure had a significant to a very significant effect on the observed variables except for the number of tubers per plant, which had no significant effect. The kind of dose of rabbit manure that gives the best economic results is without rabbit manure. There was an interaction between the length of cuttings and the dose of rabbit manure which had a very significant effect on the observed variables except for the number of shoots per plant, the number of tubers per plant, and fresh weight per plant. The best combination obtained in this study was treatment with cuttings length of 50cm and without a dose of rabbit manure.
Effect of Planting Distance and Dosage of Chicken Manure on Production and Botanical Composition of Taiwan Elephant Grass (Pennisetum purpureum cv. Taiwan) at Different Cutting Phases Marselina Ngongo; I Dewa Nyoman Sudita; Ni Ketut Mardewi
Agriwar Journal Vol. 1 No. 2 (2021): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

Availability of forage fodder both in quality and quantity is an important factor in determining the success of the ruminant livestock business. The purpose of this study was to determine the effect of plant spacing and fertilizer dosage on the production of Taiwan Elephant Grass (Pennisetum purpureum cv. Taiwan) at different cuts. The field research was conducted using a Randomized Block Design (RAK) with a 3 x 4 factorial pattern, where three treatments were plant spacing (Factor A), and four treatments were dosed with fertilizer (Factor B). Each treatment combination was repeated three times so that there were 36 plots of treatment combinations. (Factor A) which consists of 3 types of spacing, namely (J1 ) 30 x 50 cm, (J2 ) 40 x 50 cm, (J3 ) 50 x 50 cm and 4 doses of fertilizer treatment (Factor B) which consists of 4 doses of fertilizer namely without fertilizer (D0), 10 tons//ha (D1), 20 tons/ha (D2), 30 tons/ha (D3). The variables measured were total plant production, botanical composition, and air dry weight (DW). Based on the study results, the spacing treatment had a significant effect (P<0.05) on the total production of Taiwan Elephant Grass stems at the first cutting. In contrast, the total plant weight, % stem, % leaf, air-dry weight (DW) had no significant effect (P> 0.05) on all observed variables. All the variables observed at the second and third cuts were not significantly different (P>0.05), but the total crop production at the third cut was higher than the second cut. The type of fertilizer had no significant effect (P>0.05) on all observed variables such as total plant weight, % stem, % leaf, total stem weight, total leaf weight.
Application of Rabbit Liquid Organic Fertilizer on Intercropping Yield of Onion (Allium Ascalonium, L.) and Soybean (Glycine Max, L.) Sastra Eli Waruwu; Made Sri Yuliartini; Luh Kartini
Agriwar Journal Vol. 1 No. 2 (2021): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

This study aims to determine the effect of rabbit Liquid Organic Fertilizer (LOF) concentration on the yield of intercropping shallots and soybeans. This research was carried out in rice fields, Tempekan Abianbase Subak Buaji, Denpasar from February to May 2021. The research method used was a simple randomized block design (RBD) with one factor treatment of rabbit LOF consisting of 6 levels, namely UC1 = 25 ml.l-1, UC2 = 50 ml.l-1, UC3 = 75 ml.l-1, UC4 = 100 ml.l-1, UC5 = 125 ml.l-1 and UC6 = 150 ml.l-1 repeated 3 times so that 18 plots are required. The highest fresh weight of tubers per clump and fresh yield of tubers per hectare was obtained at concentrations of 150 ml.l-1, namely 44.50 g and 4.45 tons, increased by 14.72% and 14.69% compared to concentrations of 25 ml.l-1, namely 38.79 g and 3.88 tons. The dry weight of seed harvest per plant and the highest dry yield of seed harvest per hectare was obtained at concentrations of 150 ml.l-1, namely 30.02 g and 4.00 tons, increased by 28.40% and 27.39% compared to the concentration of 50 ml. l-1 are 23.38 g and 3.14 tons. The highest oven dry weight of seeds per plant and oven dry yield per hectare was obtained at concentrations of 150 ml.l-1, namely 22.95 g and 3.06 tons, an increase of 26.86% and 26.97% compared to a concentration of 50 ml.l-1are 18.09 g and 2.41 tons.

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