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Program Studi Magister Sains Pertanian, Program Pascasarjana, Universitas Warmadewa jalan Terompong No 24, Denpasar, Bali
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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 37 Documents
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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.
Arabica Coffee Growth Response on Composting Time Treatment and Coffee Skin Biochar Dosage I Putu Angga Bismantara; Yohanes Parlindungan Situmeang; I Gusti Bagus Udayana
Agriwar Journal Vol. 2 No. 1 (2022): 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 composting time, biochar dose, and the interaction between composting time and biochar dose on the growth of Arabica coffee seedlings. This research was conducted at UPP Arabica Coffee Plantation. Catur Paramitha in Catur Village, Kintamani District, Bangli Regency, Bali Province. The altitude of the place is between 1,250 meters above sea level. The time of the research was carried out from September to December 2021. This study used a Randomized Block Design (RAK) with 2 factors arranged in a factorial manner. The first factor is the time of composting of wet coffee skin waste material which consists of 2 levels, namely P1 = 2 weeks of composting and P2 = 4 weeks of composting. The second factor is the dose of biochar as raw material for dried coffee cherries, consisting of 4 levels, namely, B0 = control, B1 = 5 tons/ha, B2 = 10 tons/ha and B3 = 15 tons/ha thus obtained 8 repeated combination treatments. 3 times so 24 plants are needed. The variables observed were plant height, number of leaves per plant, stem diameter, plant leaf area, root fresh weight per plant, stem fresh weight per plant, leaf fresh weight per plant, stem, and leaf fresh weight per plant, and total fresh weight per plant. and total oven-dry weight per plant. The treatment with 4 weeks of composting gave the highest total fresh weight per plant, which was 10.43 g, which increased by 11% when compared to the treatment with 2 weeks of composting, which was 9.44 g. The treatment with a dose of 15 tons/ha of biochar gave the highest total fresh weight per plant, which was 10.45 g, which increased by 13% when compared to the treatment without biochar, which was 9.27 g. The interaction of 4 weeks of composting with a dose of 15 tons/ha of biochar (P2B3) gave the highest total fresh weight yield per plant of 11.73 g which increased by 24% when compared to the interaction of 2 weeks of composting without biochar (P1B0) which was 9.4g.
The Use of Bamboo Biochar as a Soil Improver on the Growth and Yield of Mustard Plants Yohanes Parlindungan Situmeang
Agriwar Journal Vol. 2 No. 1 (2022): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

This study aims to obtain the right dose of biochar in mustard plants. The design used was a completely randomized design with a one-factor pattern. The biochar treatment was studied at four dose levels and one control. The application of biochar significantly affected plant height, total fresh weight, and total dry weight, except for the number of leaves which was not significant. The highest total dry weight yield was achieved at 9 t ha-1 biochar with a weight of 10.80 g or an increase of 60% compared to 6.75 g without biochar. From the regression analysis, the effect of biochar on total dry weight was found on the quadratic regression line with the equation: Ŷ = 6.717 + 0.8217 X - 0.04381 X2 (R2 = 91.80%), biochar with an optimal dose of 9.38 t ha -1 and a maximum total dry weight of 10.70 g.
Refraction of Light on Prisma Applications Gede Yohanes Arygunartha; Ni Luh Putri Setyaningsih
Agriwar Journal Vol. 2 No. 1 (2022): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

A prism is a clear object made of glass. Its uses include directing light beams, changing and invertingshadows, and breaking white light into the colors of the spectrum (rainbow colors). The difference in thecolor of the spectrum is caused by the difference in the wavelength and frequency of the constituent rays,so that in the medium these rays have different refractive indices. Assume that the medium around the prismis air. This is called the angle of deviation. The angle of deviation is the angle formed by the intersectionof the extended incident light and the extended refracted light leaving the prism. The light beam that comesto the prism in the direction of ED will be refracted along the line DF and so on out of the prism in thedirection of FG. It is difficult for us to see or mark the red spectrum and the purple spectrum due to theinfluence of light from outside the laboratory, so we need a dark enough room to see the spectrum. Difficultyin determining the direction of the light source so that it coincides with a predetermined normal line, thelight is out of focus (a bit wide).
Comparison of Applications of Various Organic and Inorganic Fertilizers on the Growth and Yield of Cayenne Pepper I Nyoman Astika; I Gusti Nyoman Arthanawa; I Ketut Darmawan; Dewa Putu Semara Yana; Yohanes Parlindungan Situmeang; I Dewa Nyoman Sudita
Agriwar Journal Vol. 2 No. 1 (2022): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

Cayenne pepper is one of the agricultural commodities that has high economic value and its demand continues to increase along with the development of the population. Efforts to increase the production and quality of various types of plants continue to be carried out, by utilizing various types of fertilizers. The purpose of this study was to determine the response of growth and yield of cayenne pepper using organic and inorganic fertilizers. This research was carried out at the Experimental Garden of the Local Waste Processing Site in Kusamba Village, Klungkung Regency, and the Laboratory of the Agrotechnology Study Program, Faculty of Agriculture, Warmadewa University, Denpasar from March to November 2021. The method used in this study was experimental, using a Randomized Block Design (RBD). ) with 1 factor and 4 replications. The variables observed were plant height, number of leaves, stem diameter, number of fruit, fruit weight per plant, and fruit weight per ha. The results showed that the application of various types of fertilizers can increase all observed variables. The best fertilizer for the growth and yield of cayenne pepper is NPK fertilizer.
The Effect of Compost and Biochar Fertilizers on The Growth and Yield of Shallots Robinson Ama Dangu Ngindi; I Gusti Bagus Udayana; Yohanes Parlindungan Situmeang
Agriwar Journal Vol. 2 No. 2 (2022): 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 compost and biochar doses and their interactions on the growth and yield of shallots. This research was conducted at the Local Waste Processing Site (TOSS), Kusamba Village, Dawan District, Klungkung Regency, Bali Province. The design used in this study was a factorial randomized block design (RAK) consisting of 2 factors. The first factor is the treatment of compost dose (K) which consists of 3 levels, namely: K1 = 5 tons ha-1, K2 = 10 tons ha-1, and K3 = 15 tons ha-1. While the second factor is the dose of biochar (B) which consists of 3 levels, namely: B1 = 5 tons ha-1, B2 = 10 tons ha-1, and B3 = 15 tons ha-1. The interaction between compost treatment with biochar had a significant (P<0.05) effect on the fresh weight of tubers per clump and fresh weight of rhizomes per clump, and a very significant effect (P<0.01) on the number of tubers per clump, but not significant (P≥0.05) to other variables. The compost dose treatment had no significant effect (P≥0.05) on all observed variables except for the maximum number of leaves. Biochar dose treatment had a significant to a very significant effect on the variables of maximum leaf number, fresh weight of tubers per clump, the oven-dry weight of tubers per clump, and oven-dry weight of tubers per clump, and had no significant effect (P≥0.05) on other variables. The interaction between compost 5 tons ha-1 and biochar 10 tons ha-1 (K1B2) gave the highest fresh weight of tubers per clump of 100.00 g which was significantly different or increased by 38.60% compared to the lowest fresh weight of tubers per clump at the interaction of compost 5 tons ha-1 with biochar 15 tons ha-1 (K1B3) is 72.15 g.
Effect of Male Mating Time on Landrace Pig Reproduction Stefanus Nahak; I Dewa Nyoman Sudita
Agriwar Journal Vol. 2 No. 2 (2022): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

Pig livestock is one of the livestock developed in Indonesia because it can adapt to environmental conditions, has good production and reproduction properties including fast growth so that the body matures and quickly, the number of liters of labor size is large, birth weight and weaning weight are high, meat production is high and can also meet human needs. To meet human needs for protein and the economy, it is necessary to increase the production and productivity of pig livestock by paying attention to reproductive aspects, and nutrition. This study aims to determine the influence of the time interval of male mating in nature which affects the conception rate, liter size, and mortality. This research was carried out in Catur Village, Kintamani District, Bangli Regency from April to August 2022. This study uses a quantitative descriptive method by mating males at time intervals and observing the results directly. The number of livestock used in this study was 6 landrace sows consisting of 1 sow mated with males at intervals of once a week, 2 heads mated at intervals twice a week, and 3 heads mated at intervals of three times a week. The variables observed in this study were conception rate, liter size, and mortality. The results showed that the interval of mating time influenced the conception rate value and the number of liters of size. The best interval from the results of this study is one mating in a week, namely a conception rate of 100%, the number of liters size 9 heads. And the time interval of mating has no effect on the mortality of the child at birth.
The Effect of Compost and NPK Fertilizers on The Growth and Yield of Shallots Antonius Petrus Lalu Mato; Yohanes Parlindungan Situmeang; Ida Bagus Komang Mahardika
Agriwar Journal Vol. 2 No. 2 (2022): 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 compost fertilizer and NPK fertilizer on the growth and yield of Shallots. This research was conducted at the Local Waste Processing Site, Kusamba Village, Klungkung. This experiment used a randomized block design (RBD) with a factorial pattern consisting of 2 factors. The first factor was the dose of compost (T) consisting of 3 levels, namely: 5-ton ha-1 (T1), 10-ton ha-1 (T2), and 15-ton ha-1 (T3). The second factor is the dosage of NPK fertilizer (M) consisting of 3 levels: (M1) 150 kg/ha-1, (M2) 300 kg/ha-1, (M3) 450 kg/ha-1. The interaction between compost treatment and NPK had a significant (P<0.05) to very significant (P<0.01) effect on all observed variables except fresh weight per clump. The highest fresh weight of tubers was obtained from the interaction between compost 5 tons ha-1 and NPK 150 kg ha-1 (T1M1) giving the highest fresh weight of tubers per clump, 41.44 g, significantly different or an increase of 45.13% compared to the fresh weight of tubers. The lowest per clump was the interaction of 15-ton ha-1 compost with NPK 450 kg ha-1 (T3M3), which was 31.25 g.
Business Strategy of Layer Chicken Business in the New Normal Era in The Bali Province Dewa Putu Semara Yana; Nyoman Suparta; I Gusti Agus Maha Putra Sanjaya
Agriwar Journal Vol. 2 No. 2 (2022): Agriwar Journal
Publisher : Program Studi Magister Sains Pertanian Program Pascasarjana Universitas Warmadewa

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Abstract

This study aims to provide a business strategy for laying hens in the New Normal era in the Province of Bali. This research is expected to produce recommendations for the right strategy to be applied to laying hens in the Province of Bali to help farmers face the New Normal era and able to increase breeders' income. This research was conducted in 3 central districts of laying hens in Bali Province using a survey method. The research location was determined by purposive sampling technique. The results of the IFAS-EFAS analysis showed an internal factor value of 3.65 and an external factor value of 3.31 indicating the position of the laying hen business in Bali Province is in quadrant I, namely growth and build strategy. Alternative strategies that need to be increased more intensively are: 1) Expansion of market share outside Bali (West Region to Jakarta and Eastern Region to East Nusa Tenggara), 2) Expansion of business scale by increasing capital, 3) Selecting less productive laying hens.
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.

Page 2 of 4 | Total Record : 37

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