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Gema Agro

gema-agro
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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 155 Documents

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Analisis Pupuk Kandang Ayam dan Biourine Terhadap Pertumbuhan dan Hasil Dari Benih dan Punggul Tanaman Kangkung Darat (Ipomea Reptans) Mudra, Luh Komang Sulasmini; Sudewa, Ketut Agung
GEMA AGRO Vol 23, No 1 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

This study aims to determine the effect of chicken manure and biourine on the growth of stem of ground water kangkung, so it is known that the best type of fertilizer used for growth and yield of kangkung plants after the first harvest. This experiment used a randomized block design (RBD) with a factorial experimental pattern consisting of two factors. The first factor is the dosage of biourine (B) consisting of 4 levels ie B0: control, B1: 200 L ha-1, B2: 400 L ha-1, and B3: 600 L ha-1. The second factor is dose of cow manure (K) consist of 2 levels ie K0: control and K1: 20 ton ha-1. The results concluded that there was no interaction between the treatment of chicken manure with biourin liquid fertilizer to all growth variables and the results observed in ground kangkung plants derived from stump except the variables of the harvest index. Treatment of chicken manure 20 tons ha-1 gave the highest economical fresh weight per plant that is 70.48 g and increased by 84.02% compared to the economical fresh weight per plant obtained in the treatment without chicken manure is 38.30 g, while the treatment dose of 400 L ha-1 biourine fertilizer gave the highest economical fresh weight per plant that is 55.66 g and increased by 7.63% compared to the economical fresh weight per plant obtained in the treatment without biourine fertilizer ie 51.71 g.

Penggunaan beberapa level sorgum (Sorghum bicolor l.) dalam ransum terhadap penampilan ayam broiler CP 707 Tanggu, Yonatan; Sutapa, I Gede; Suwitari, Ni Ketut Etty
GEMA AGRO Vol 23, No 2 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Feed is one important factor in determining the performance of poultry production, especially broiler. Increasing the quality of feed can be done by using sorghum seeds in the feed ration is supplement (substitutions) to corn, because the nutritional value is not different from corn is cheap and does not compete with human needs, easy to obtain and good quality. Sorghum (Sorghum bicolor L.) is a cereal crop that is potential for cultivation and development, especially in marginal and dry areas of Indonesia, can be used as an alternative feed for broiler. The purpose of this research is to determine the effect of sorghum as a substitution of corn on the performance of broiler. This research used Completely Randomized Design (CRD) with 5 treatments and 3 replications with each replication consisted of 3 broiler CP 707, so the number of broiler in use as many as 45 broiler. The treatment was as follows: R0 = Control ration without sorghum addition, R1 =7% sorghum, R2 = 14% sorghum, R3 =21% sorghum, R4 =28% sorghum. The parameters observed were initial weight, weight gain, final weight, feed intake and feed conversion ratio. The data obtained were analysis with analysis of variance. The result of this research showed that the ration of sorghum added gave significant difference (P0,05) to the ration consumption while the feed conversion ratio had the effect (P

Studi Struktur Komunitas Fitoplankton Di Danau Batur, Kecamatan Kintamani, Kabupaten Bangli, Provinsi Bali Nirasari, Komang Gustika; Arya, I Wayan; Suryani, Sang Ayu Made Putri
GEMA AGRO Vol 23, No 1 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Lake Batur is the largest lake in Bali with many activities surrounding that will have great impact on fertility of the lake. One key factor in the fertility of the lake is phytoplankton. Abundance of phytoplankton in the waters affected by several environmental parameters. This research was conducted at Lake Batur, Kintamani district, Bangli Regency, in February 2014. Study is to measure the composition, abundance, diversity, uniformity and dominance of phytoplankton in the waters, measuring parameters and aquatic physical chemistry. The diversity of phytoplankton species found in Lake Batur are 5 class consists of 20 genera. Phytoplankton abundance ranged from 232370-336325 ind/l are eutrophic lake. Phytoplankton diversity index were included in diversity, uniformity index is included in the low uniformity, dominance index showed no dominance. Physical and chemical parameters of water still shows a good value so that the waters of Lake Batur contamination has not occurred.

Peningkatan Hasil Tanaman Okra Dengan Pemberian Pupuk Kompos dan NPK Yuliartini, Made Sri; Sudewa, Ketut Agung; Kartini, Luh; Praing, Ersa Remi
GEMA AGRO Vol 23, No 1 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

The purpose of this research is to determine the effect of compost and NPK Phonska fertilizer application to the growth and yield of okra plants, and to get optimum dose. This research was conducted in experimental garden of Agricultural Faculty of Warmadewa University. The design used in this research is factorial randomized block design (RAK) consisting of two treatments: compost fertilizer and NPK Phonska fertilizer. The interaction treatment between doses of compost fertilizer with NPK Phosnka and single treatment of NPK Phonska have no significant effect on all observed variables. The treatment of compost fertilizer dosage have no significant to effect foe leaf number and dry weight of oven fruit, but it had significant effect to the weight of fresh and dried weight of oven stover and very significant effect on the variables of plant height, the number of fruit and the weight of fresh fruit. The dosage of compost fertilizer 8 ton ha-1 to got the highest fresh weight of fruit per plant which is 380,42 g, an increase of 44,05% if compared with the lowest fresh fruit weight per plant obtained in the treatment without compost 0 tons ha- Ë¡ of 264.08 g. The results of the distribution of NPK Phonska at different doses have no significant effect on one another . However, , the highest fresh fruit weight was obtained at NPK treatment at 400 kg ha-1 treatment ie 351,75g. This increased by 7.02% when compared with the freshest weight of lowest fruit obtained at 200 kg ha-1 treatment ie 328,67 g.

Pemakaian sorgum (Sorghum bicolor l.) sebagai bahan substitusi jagung (Zea mays l.) pada ransum terhadap berat bagian bagian karkas ayam broiler umur 6 minggu Bulu, Sosiawan; Rejeki, I Gusti Ayu Seri; Mardewi, Ni Ketut
GEMA AGRO Vol 23, No 2 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Sorghum (Sorghum bicolor L.) is one alternative as a substitute for corn in rations, it is known that the nutrient content of sorghum is not much different from the nutrition of corn. The purpose of this study was to determine the effect of sorghum use as a substitute for corn in the ration on the weight of the carcass part and what percentage of sorghum substitution level had an effect on the weight of the carcass parts. This study used a completely randomized design (CRD) with 5 treatments and 3 replications. In each replication using 3 CP 707 broiler chickens aged 2 weeks with homogeneous body weight. The treatment is R0 (control ration without sorghum use), R1 (ration + 7% use of sorghum), R2 (ration + 14% use of sorghum), R3 (ration + 21% use of sorghum), R4 (ration + 28% use of sorghum). Variables observed were weight of the chest, weight of the wing, weight of the thigh, weight of the back. The results showed that the use of sorghum (Sorghum bicolor L.) as a substitute for corn at all levels had no significant effect on all parts of the carcass of broiler aged six weeks and the level of use of 21% sorghum tended to increase the weight of the carcass parts.

Pengaruh Umur Pemotongan Terhadap Produksi dan Kualitas Nutrisi Tanaman Indigofera (Indigofera Sp) Setiyaningrum, Erlis; Kaca, I Nyoman; Suwitari, Ni Ketut Etty
GEMA AGRO Vol 23, No 1 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

This study was held at BPTU-HPT Denpasar which located in Pangyangan Village, Pekutatan Sub-district, Jembrana Regency conducted from January 18, 2017 - April 18, 2017. Analysis of nutritional content was performed at the Laboratory of the Agriculture Faculty of Warmadewa University and the Udayana University Faculty of Animal Husbandry Laboratory. The purpose of this study to determine the effect of cutting age on production and quality of nutrition Indigofera sp.The Method of this study did use on Complete Randomized Design (CRD) which consisted of 3 groups and 4 treatment of cutting age. The treatments in this study were P1 (45 days of Cutting Age), P2 (60 days of cutting age), P3 (75 days of cutting age), and P4 (90 days of cutting age). The results showed that the effect of different cutting age gave a most real effect (P

Penggunaan pupuk kompos dan bioboost dalam meningkatkan pertumbuhan dan hasil tanaman bawang daun Jola Piras, Tini Rambu; Situmeang, Yohanes Parlindungan; Sudewa, Ketut Agung
GEMA AGRO Vol 23, No 2 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

The purpose of this study was to determine the effect of compost and bioboost doses and their interactions in increasing the yield of leaf onion. This study used a randomized block design (RBD) factorial pattern. The first factor, the compost treatment consisted of 4 levels, namely: without compost, 10 tons ha-1, 20 tons ha-1, and 30 tons ha-1. The second factor, the bioboost fertilizer treatment consisted of 4 levels, namely: without bioboost, 5 cc L-1, 10 cc L-1, and 15 cc L-1, thus there were 16 combination treatments and repeated 3 times so that 48 experimental polybags were needed. The results showed that the compost treatment and the treatment of inter-compost interactions with bioboost had no significant effect on all observed variables. The treatment of bioboost has a very real effect on all observed variables except for the fresh weight of economic results that have a significant effect and the maximum number of leaves has no significant effect. Giving compost at various different dosage levels was not significant, but the compost dose of 30 tons ha-1 yielded the most economical oven dry weight of 1.20 g which increased by 20% compared to yield without compost, namely 1.00 g. The treatment of Bioboost 15 cc L-1 gave the highest oven dry yield of 1.46 g which increased by 80.25% when compared with the lowest value in the treatment without bioboost 0 cc L-1 which was 0.81 g.

Pengaruh penanganan ikan tongkol (Auxis thazard) segar yang berbeda terhadap kadar histamin dan mutu organoleptik Wijana, Nyoman Rai; Pandit, I Gde Suranaya; Darmadi, Ni Made
GEMA AGRO Vol 23, No 2 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

This study uses an experimental method using a Completely Randomized Design (CRD) with a single factor, namely handling different fish to organoleptic quality histamine levels consisting of several levels of treatment such as: Handling of tuna at room temperature (control), Handling of mackerel tuna with addition of crushed ice 25% bb which produces a temperature of ±180C, Handling of tuna with the addition of people's salt (10% bb), Handling of mackerel tuna with a mixture of 12.5% ice and 5% salt of the people. The results of the study the effect of handling tuna made histamine levels differ greatly real. The amount of histamine at room temperature averaged 47.78 mg/100g, the amount of histamine in the treatment of crushed ice was 1:4 so that the temperature reached ±18°C averaged 11.30 mg/100g, the amount of histamine in the salt treatment of the people (10% bb) average of 31.00 mg/100g and the amount of histamine in the treatment of 50% mixed treatment B and 50% treatment C averaged 21.45 mg/100g. The effect of handling mackerel tuna makes organoleptic quality that is very significantly different based on appearance. The best appearance in the treatment of crushed ice is 1:4 so that it reaches a temperature of ±18°C of 8.00 with brilliant specifications rather reddish, strong scales, thin mucus. The effect of ear tuna handling results in very different organoleptic qualities based on the eye. The best eye condition in the treatment of 1:4 ice destruction so that the temperature reaches ±18°C at 7.722 with convex specifications, the cornea is somewhat foggy, the pupil is rather dim. The effect of handling mackerel tuna makes organoleptic quality very different based on texture. The texture conditions are best at 1:4 crushed ice treatment so that the temperature reaches ±18°C at 7.83 with elastic specifications. The effect of the handling of tuna produces different organoleptic qualities that are very real based on odor. The analysis showed that the smell was the best in the treatment of 1:4 crushed ice so that the temperature reached ±18°C at 7.778 with the specification of a soft fishy odor. Handling of mackerel tuna should use 1:4 crushed ice to reach a temperature of ±180C because it can maintain histamine levels and organoleptic quality of the fish as a whole.

Respon Pertumbuhan dan Hasil Tanaman Kacang Tanah Pada Aplikasi Biochar Bambu Suparta, Kadek; Kartini, Luh; Situmeang, Yohanes Parlindungan
GEMA AGRO Vol 23, No 1 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

This study aims to determine the effect of bamboo biochar dose on the growth and yield of peanut crops. This study used a randomized block design with one factor. The tested treatments were dosage of biochar fertilizer with 4 dosage levels and one treatment without biochar dose (control), with the treatment arrangement as follows: without biochar, 4 ton ha-1, 8 ton ha-1, 12 ton ha-1, 16 ton ha-1. This treatment was repeated 3 times to obtain 15 plot experiments. The results showed that the biochar dose treatment had significant effect on all observed variables, except the variable of plant height and maximum number of leaves per plant had no significant effect. The highest yield of dry seed oven of seeds per plant was obtained in the dosage of 4 ton ha-1 biochar dose of 21.83 g, an increase of 111.81% compared with no biochar 10.33 g. Based on regression analysis, the optimum dosage of biochar is 7.50 ton ha-1, with dry weight of oven seed per plant maximum 19.03 g.

Pengaruh jarak tanam dan pupuk kompos pada pertumbuhan dan hasil tanaman bawang merah Anggarayasa, Catur; Yuliartini, Made Sri; Andriani, Anak Agung Sagung Putri Risa
GEMA AGRO Vol 23, No 2 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

The purpose of this study was to determine the effect of spacing and compost on the growth and yield of shallots and their interactions. This research is a factorial experiment with a basic design using a randomized block design (RBD) carried out in paddy fields located in Angseri Subak, Angseri Village, Baturiti District, Tabanan Regency. The results showed that the interaction between the treatment of spacing with compost had no significant effect on all observed variables. The highest fresh weight of tubers per clump was obtained at a spacing of 20 cm x 25 cm, which was 38.73 g, increasing by 30.93% compared to the lowest yield at a spacing of 20 cm x 10 cm, 26.75 g. The highest fresh weight of tuber per clump was obtained by giving 60 tons ha-1 compost which was 34.81 g, increasing by 11.50% when compared to the lowest yield in the treatment without compost ie 30.79 g.

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Bali

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Sang Ayu Made Putri Suryani

Contact Email gemaagro2020@gmail.com

Phone +628164704944

Journal Mail Official gemaagro2020@gmail.com

Editorial Address Jl. Terompong 24 Tanjung Bungkak Denpasar Bali, Indonesia

Location Kota denpasar, Bali INDONESIA

Abstract

Abstract

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Abstract

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Abstract

Contact Name
Sang Ayu Made Putri Suryani

Contact Email
gemaagro2020@gmail.com

Phone
+628164704944

Journal Mail Official
gemaagro2020@gmail.com

Editorial Address
Jl. Terompong 24 Tanjung Bungkak Denpasar Bali, Indonesia

Location
Kota denpasar,

Bali

INDONESIA