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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.
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.
Effect of Organic Fertilizer Doses of Coal And Mutiara NPK on The Growth of Grafting Yields of Pomelo Seedlings (Citrus grandis L. Osbeck) Ni Komang Ayu Aryawati Dewi; Made Sri Yuliartini; Ida Bagus Komang Mahardika
SEAS (Sustainable Environment Agricultural Science) Vol. 6 No. 2 (2022)
Publisher : Warmadewa University Press

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Abstract

This study aims to determine the effect of giving a dose of organic coal fertilizer and NPK fertilizer on the growth of grafting seedlings of pomelo varieties. This research is an experiment on polybag planting media conducted at UPTD. Balai Benih Tanaman Pangan dan Hortikultura of Bali Province from February to July 2022. This study was arranged based on a Completely Randomized Block Design (RCBD) with 2 factors arranged in a factorial manner. The first factor is the dose of coal organic fertilizer (B) consisting of 4 levels: B0: 0 gr/polybag, B1: 71 gr/polybag, B2: 142 gr/polybag, B3: 213 gr/polybag. The second factor was the dose of NPK (N) consisting of 4 levels: N0:0 g/polybag, N1: 18.75 g/polybag, N2:37.5 g/polybag, N3:56.25 g/polybag. Thus, there were 16 treatment combinations, each of which was repeated 3 times to obtain 48 polybags. The results of statistical analysis showed that the interaction (B×N) and 0.05) on shoot growth variables (days), shoot cultation length (cm), bud grafting diameter (mm), number of leaves (strand), total leaf area (cm2). The fastest rootstock cuttings were obtained with a dose of NPK fertilizer of 37.5 g/polybag (N2) which was 6.67 days and the difference was not significant at a dose of 18.75 g/polybag (N1) which was 7.42 days. Keywords : dose, coal fertilizer, npk fertilizer, grafting, pomelo
Application of Organic Coal Fertilizer and Rabbit Farm Waste on Pumelo (Citrus grandis L. Osbeck) Seed Growth Ida Bagus Komang Mahardika; Made Sri Yuliartini; I Gusti Made Arjana
Agriwar Journal Vol. 2 No. 2 (2022): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

The pumelo population in Bali is declining one is caused of a lack of good-quality seeds. This research was conducted to determine the effectiveness of organic coal fertilizer and rabbit farm waste as organic fertilizers for the growth of pomelo grafting seedlings. The research design used a nested pattern randomized block design with 3 replications. There are two factors, the first factor is the type of fertilizer, which are Coal fertilizers, Rabbit Farm Waste fertilizers, and Cow Manure fertilizers. The second factor is the dose of each type of fertilizer which consists of 3 levels, namely: 10 tons/ha; 20 tons/ha; and 30 tons/ha. The results showed that the effectiveness of the treatment of the type of organic fertilizer and the dose of the type of organic fertilizer had no significant effect on all observed variables. This shows that both coal fertilizer and rabbit manure have almost the same quality as cow manure in influencing the growth of pomelo seedlings. The effectiveness of fertilizers tested on the average shoot length of grafting tends to show the highest yields obtained at the highest dose (30 tons/ha), namely Coal fertilizer which is 28.80 cm, rabbit manure is 31.87 cm, and cow manure obtained is 28.13 cm.