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Gema Agro
Published by Universitas Warmadewa
ISSN : 14100843     EISSN : 26146045     DOI : https://doi.org/10.22225/
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Gema Agro is a Journal of development of science and technology in environment usage and management on an ongoing basis for agricultural development, provides a forum for publishing research articles or review articles. This journal encompasses original research articles, review articles and short communications basis for agricultural development including; Agronomy Horticulture Soil Sciences Plant Protection Environmental Food Technology Food Chemistry Biosciences and Biotechnology Aquatic Resource Management Animal Husbandry Animal Feed Nutrition
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 162 Documents
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Respon Tanaman Melon (Cucumis melo L.) Terhadap Waktu Pemangkasan Tunas dan Interval Pemberian Urine Kelinci Charles Samo Langobiri; I Ketut Irianto; Anak Agung Ngurah Mayun Wirajaya
GEMA AGRO Vol 24 No 1 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (237.301 KB) | DOI: 10.22225/ga.24.1.1694.09-16

Abstract

This research was conducted on 20 March to 15 June 2018. Aiming to find out the response of plant melon (Cucumis melo L). The design used in this study was a Randomized Block Design (RBD) which consists of two factors. IE: pruning Treatment consists of three levels, namely: P1 (trimming 1 week after planting), P2 (trimming 2 weeks after planting), P3 (the 3 trimming after planting). Treatment interval of the giving of the rabbit urine consists of 4 levels, namely: U0 (unannounced), U2 (3 days), and U3 (6 days). U4 (9 days). Thus there are 12 treatment combinations and each treatment was repeated three times so that there are 36 pot experiment. esearch results indicate that the interaction between treatment and trimming the interval of granting influential rabbit urine not real against all variables were observed. P3 gives the amount of pruning treatment of branches per plant increased with branch 16.25 highest 25% when compared to the number of branch lowest branch at the time of 13.00 i.e. pruning of P1. Pruning treatment gives the highest total solids solution P1 15.58 ͦ brix with increased 10.73% compared with lowerst total solids solution i.e. 14.07 ͦ brix at the time the pruning of P3. While on the treatment interval rabbit urine U2 the highest value in the variable weight of fresh fruit per plant that is 984.87 (g) and lowest at the treatment the U3 with the value of the different g 883.33 unreal with U1 and U0 treatment each value that is 943.78 g and 889.39 g.
Pemberian Dosis Biourine Sapi dan Media Tanam Pada Beberapa Variabel Pertumbuhan dan Hasil Ekonomis Tanaman Pakcoy (Brassica chinensis L.) Adi Tiya; I Nengah Suaria; Anak Agung Sagung Putri Risa Andriani
GEMA AGRO Vol 24 No 1 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (110.717 KB) | DOI: 10.22225/ga.24.1.1695.17-21

Abstract

The purpose of this study was to determine the effect of giving a cow's bio-urine dose and the composition of the planting medium and its interaction on several growth variables and economic yield of pakcoy plants. This research was conducted at the Experiment Station of the Faculty of Agriculture, Warmadewa University. This research activity was carried out in April to June 2018. The experiment consisted of two factors: the first factor was the dose of bio-urine of the cow consisting of 4 levels, namely 0 ml/polybag, 10 ml/polybag, 20 ml/polybag, 30 ml/polybag. The second factor, the planting medium consists of 3 levels, namely soil + cow manure, soil + husk charcoal, soil + sawdust. Experiments are designed with (RAK). Treatment of bio doses of cow urine, planting media, and interactions between bio doses of cow's urine and planting media showed very different. Interaction between 30 ml/polybag of bio urinary cow fertilizer with soil fertilizer + cow fertilizer which gave an economic oven oven dry weight of 7.93 g ± 0.38 times increased by 79.20% from the lowest 0.01 g ± 0.38 introduction of interaction when measuring cow's urine urine 0 ml, 10 ml, and 30 ml with soil planting media + sawdust. The use of 30 ml/Polybag bio-urine doses and soil + cow fertilizer can be used for the highest yield and growth of pakcoy plants.
Kualitas Buah Jeruk Siam (Citrus nobillis var microcarva L) Selama Penyimpanan Pada Berbagai Tingkat Kematangan Buah I Kadek Riastana; Ni Komang Alit Astiari; Ni Putu Anom Sulistiawati
GEMA AGRO Vol 24 No 1 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (120.414 KB) | DOI: 10.22225/ga.24.1.1696.22-28

Abstract

This study aims to determine the level of fruit maturity to get the quality of citrus fruits during storage. This experiment is a factorial experiment with the basic design of a simple randomized block design (RBD) one factor consisting of four levels of fruit maturity, namely: TK_1 (Physical appearance of Green fruit peels), TK_2 (Physical Display of Yellowish Green rind), TK_3 (Physical Display Yellow green rind), TK_4 (Physical Display of Evenly rind rind), each of which is repeated six times. This research was conducted in the first two places, namely in the siam plantation owned by one of the farmers in Banjar Seming, Kerta Village, Payangan District, Gianyar Regency. The second place is the Warmadewa University Faculty of Agriculture Laboratory, which runs from March to May 2017. Fruit quality seen from physical properties during storage (8th day) there was a decrease in fruit weight which was higher in physical appearance of evenly yellow rind which was 19.19 g compared to the physical appearance of yellowish green rind which was 17.26 g. Decrease in fruit diameter is also highest obtained in the physical appearance of 100% yellow rind that is 0.56 cm compared to the physical appearance of yellowish green rind that is 0.45 cm. Fruit quality seen from the chemical properties during storage (8th day) there was a decrease in vitamin C content at all levels of fruit maturity, while the total dissolved solids increased at all levels of fruit maturity. The highest total dissolved solids were obtained on the physical appearance of evenly yellow rind that was 9.42 oBrix compared to the physical appearance of greenish yellow rind, the physical appearance of yellowish green rind and the physical appearance of rind of rind, respectively 9.38 oBrix, 8 , 63 oBrix, and 8,32 oBrix. The longer the fruit is stored the more sweet the fruit is but the fruit is increasingly constricted and unfit for consumption
Pemberian Rootone F dan Asal Bagian Stek Terhadap Pertumbuhan Akar Stek Daun Lidah Mertua (Sansevieria trifasciata lorentii) Brigita Gracia Falentiani Namupraing; I Nengah Suaria; Made Suarta
GEMA AGRO Vol 24 No 1 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (115.689 KB) | DOI: 10.22225/ga.24.1.1697.37-41

Abstract

These research aims to find out the influence of the Rotoone F interactions and the cuttage part of lidah mertua leaf. It was conducted at the Faculty of Agriculture Green House in Warmadewa University, was commencing on 18th April 2017 until 18th July 2017. This kind of experiment was a factorial one that using Design of Experiment (RAL). First treatment was Rootone F that 4 levels consistend which 0 g/stek as control (R0); 0,2 g/stek (R1); 0,4 g/stek (R2); 0,6 g/stek (R3). Second treatment was the cuttage part of the leafthat 3 levels consisted wich the tip (SU), the middle (ST), petiole (SP). The result has been shown that the best root growth can be obtained without Rootone F and part of the tip leaf
Pemberian Pupuk Kompos dan Umur Pemotongan Titik Tumbuh Pada Pertumbuhan dan Hasil Tanaman Krisan (Chrysanthemum) Delvianus Bili; I Gusti Made Arjana; Luh Kartini
GEMA AGRO Vol 24 No 1 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (119.903 KB) | DOI: 10.22225/ga.24.1.1698.42-46

Abstract

This study aims to obtain doses of compost fertilizer and age of cutting point growing on the growth and yield of chrysanthemum plants. The experimental design used was a randomized block design with a factorial pattern consisting of 2 factors. The first factor is the dosage of compost fertilizer with 4 levels ie 0 ton ha-1, 5 ton ha-1, 10 ton ha-1, 15 ton ha-1. The second factor is the age of cutting point of growth with 3 levels ie 1 week after planting, 2 weeks after planting, 3 weeks after planting. This experiment was conducted in Pancasari Village Sukasada District Buleleng Regency with altitude of 1,247 m above sea level, this research took place from May 9 until August 10, 2017. The highest weight of secondary branching stalk, obtained at interaction dose of 15 tons ha-1 compost with age cutting growth point 1 week after planting that is 98,27 gram increase equal to 55,65% compared dose of compost 0 ton ha-1 with age cutting point growing 1 week after planting that is 43,58 g.
Berbagai Imbangan Jerami Padi Dengan Kaliandra (Calliandra calothyrsus) Terfermentasi Terhadap Penampilan Fisik dan Nutrisi Silase I Kadek Agus Wardana; Yan Tonga; I Gede Sutapa
GEMA AGRO Vol 24 No 1 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (123.154 KB) | DOI: 10.22225/ga.24.1.1699.47-53

Abstract

The purpose of this study was to determine the balance of straw and calliandra fermented with physical quality and nutritional silage. This study was used as a Completely Randomized Design (CRD) with 6 treatments and 3 replications. R0 (control, rice straw not mixed with calliandra). R1 (mixing rice straw and calliandra with straw ratio of 90% and calliandra 10%), R2 (mixing rice straw and calliandra with a ratio of 80% straw and calliandra 20%), R3 (mixing rice straw and calliandra with a ratio of 70% straw and calliandra 30%), R4 (mixing straw and calliandra with straw ratio of 60% and calliandra 40%), R5 (mixing straw and calliandra with comparison straw 50% and calliandra 50%). Judging from the physical appearance for the (color, aroma, and texture) the parameters did not differ significantly between all treatments (P> 0.05). The best treatment is the treatment of R5 (rice straw ration and 50%: 50% calliandra). Judging from nutrient silage for water parameters and no dry matter and crude protein showed that the real effect was different from (P> 0.05) ash content, organic matter, and crude protein showed very significant effect (P <0.01). The highest yield of organic matter and crude protein is R5 (ratio of rice straw and kaliandra 50%: 50%) with the highest percentage of organic matter 81.63% and the highest crude protein 15.35%.
Pengaruh Kepadatan Kandang Terhadap Berat dan Persentase Bagian Karkas Ayam Broiler Umur 5 Minggu I Putu Subagia; Ni Ketut Mardewi; I Gusti Ayu Dewi Seri Rejeki
GEMA AGRO Vol 24 No 1 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (124.931 KB) | DOI: 10.22225/ga.24.1.1700.54-58

Abstract

Poultry commodities that have the greatest potential to be developed are broiler chickens, because the growth is so fast that the maintenance period is relatively short. One important environmental factor to pay attention is maintenance management, especially housing. High cage density causes chicken body weight gain to be smaller compared to low cage density, so research needs to be done to find out how much the ideal density of cage. The research design used was a completely randomized design (CRD) with 3 treatments and 3 replications. P1 is 8 chickens/m2, P2 (10 chickens/m2), and P3 (12 chickens/m2). There are 9 cages and 90 broilers used. The level of cage density gave no significant effect (P>0.05) on the weight and percentage of carcass parts of broilers aged 5 weeks. of all the variables, there was a tendency for an increase in yield in the treatment of cage density of 10 m2/broiler chickens maintained for 5 weeks (P>0.05). From the results of this study it can be concluded that the density of the cage has no effect on the weight and percentage of carcass parts of broiler chickens aged 5 weeks. It can also be recommended to farmers to use cage density of 12 chickens/m2 in the maintenance of broiler chickens aged 5 weeks because they are still able to produce weight and percentage of good carcass parts
Pengaruh Berbagai Level Kulit Pisang Fermentasi Terhadap Penampilan Itik Bali Jantan Umur 2-8 Minggu I Wayan Wiarta; Ni Ketut Etty Suwitari; I Nyoman Kaca
GEMA AGRO Vol 24 No 1 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (129.209 KB) | DOI: 10.22225/ga.24.1.1701.59-62

Abstract

Balinese Duck is an Indonesian native duck that has been grown and maintained by Balinese society which is commonly maintained traditionally. Protein content of duck meat is quite high which is about 18.6-20.8. The main constraint faced in maintenance is the high cost of ration that reaches 60-70% of total production cost, the utilization of banana peel as animal feed besides reducing environmental pollution also can depress feed cost. After the fermentation of nutrient value of banana skin waste increased as crude protein from 6.56% to 14.88%, crude fiber from 15.32% to 11.43%. The design used in this study was a Completely Randomized Design consisted of 4 treatments (0, 7, 14, and 21% ducks fed with fermented banana peel flour). Each treatment consisted of 3 replications, so there were 12 plots of cages and each cage consisted of three Balinese Ducks at 2 weeks old. The number of male Balinese ducks used as many as 36 heads. The results of the statistical analysis gave no significant effect on the final body weight. The highest rate obtained at P1 1076.09 g tends to be higher than P3, P2, and P0. The weight gain in male Balinese ducks was statistically significant. The highest treatment was obtained at P1 689.09 g which tended to be higher than P3, P2, and P0. The amount of ration consumption during the study on the male Balinese ducks was statistically significant. The highest treatment was obtained at P1 that is 3671,15 g which tends to be higher than treatment of P2, P3, and P0. The addition of various levels of fermented banana peel flour statistically had an unreal effect on the highest treatment ration conversion obtained at P0 which was 5.43 followed by P2, P1, and P3 treatment. From the results of this research can be concluded that the provision of various levels of fermented banana peel did not give a real effect on the performance of Balinese Ducks from 2 to 8 weeks of age. Provision of various fermented banana peel levels at P1 (7%) tends to be higher than treatment P0, P2, and P3 against, final weight, weight gain, and consumption of Balinese Ducks ration of males aged 2-8 weeks.
Jenis Kemasan dan Lama Penyimpanan terhadap Karakteristik Sambal “Maroto” Khas Sumba Barat Daya Roseline Adiyaksa Maghu; I Putu Candra; I Gede Pasek Mangku
GEMA AGRO Vol 24 No 2 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (307.164 KB) | DOI: 10.22225/ga.24.2.1702.63~72

Abstract

Southwest Sumba is one of the regencies in East Nusa Tenggara which has a special sambal which is very popular because of its interesting taste and aroma, the "maroto" sauce. This Sambal consists of simple ingredients namely cayenne pepper, garlic, kaffir lime, sugar and salt. How to process it is also very easy that all ingredients are pulverized and not given any additional preservatives but can be durable in a few days or even weeks. This study aims to determine whether bioplastic packaging is as effective as polypropylene plastic packaging (PP) in maintaining the characteristics of "maroto" chillies and how long the shelf life of "maroto" chillies at room temperature. The design used is a Completely Randomized Design (CRD) with two factors and two replications, the first factor is the type of packaging consisting of two types, namely polypropylene plastic packaging (PP) and bioplastic packaging. The second factor is the storage time which consists of four levels, namely first week, second week, third week and fourth week. Objective observations included: water content, total acid content, pH, vitamin C content and mold test and subjectively included: color, flavor and overall acceptance. The results obtained by bioplastic packaging have the same effectiveness as polypropylene plastic packaging (PP) in maintaining the characteristics of the "maroto" chilli on the parameters of water content, pH, total acid levels, vitamin C levels, test fungi, color, aroma, taste and overall acceptance. The storage time for "maroto" sauce in bioplastic packaging is three weeks and the storage time for "maroto" sauce in polypropylene (PP) plastic packaging is four weeks at room temperature of 28 ± 1ºC.
Substitusi Ubi Jalar Kuning dan Penambahan Ekstrak Daun “Gonda” (Spenochlea zeylanica Gaertner) pada Mie Basah Dewa Made Hardi Juliana; Luh Suriati; I Putu Candra
GEMA AGRO Vol 24 No 2 (2019)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (253.711 KB) | DOI: 10.22225/ga.24.2.1703.73-83

Abstract

Noodle is a popular food and a favorite of all people. This is stimulated by consumers' need for nutritious, healthy, safe food and practical lifestyle. Noodles that currently exist predominantly contain carbohydrates derived from wheat flour. Substitution and the addition of other components to the noodles will provide added value so that it is more functional. This study aims to determine the effect of yellow sweet potato substitution and the addition of "Gonda" leaf extract on the characteristics of wet noodles. The design used is a Completely Randomized Design (CRD) with two factors and two replications. The first factor is the comparison of wheat flour and yellow sweet potato substitution consisting of (90:10)%, (85:15)%, (80:20)%. The second factor is the addition of "Gonda" leaf extract consisting of: 15%, 20%, 25%. The best results were obtained in the substitution treatment of 10% yellow sweet potato and the addition of "Gonda" 25% leaf extract with a moisture content of 58.88%, ash 0.12%, protein 6.98%, fat 2.91%, carbohydrate 31 , 12% and antioxidant activity 59.60% and subjectively obtained the highest preference value from panelists. Compared with the Indonesian National Standard (SNI) No. 2987-2015, it was found that the wet noodles in this study had fulfilled the requirements except for the slightly higher ash content

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