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Agrotrop : Journal on Agriculture Science

agrotrop
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Published by Universitas Udayana

ISSN : 2088155X EISSN : 26544008 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Journal AGROTROP

Arjuna Subject : -

Articles 17 Documents

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Search results for , issue "Vol 7 No 2 (2017)" : 17 Documents clear

Pengaruh Beberapa Jenis Pupuk dan Umur Bibit terhadap Pertumbuhan dan Hasil Tanaman Padi (Oryza sativa L.) I KADEK WAHYU WIDIATMIKA; GEDE WIJANA; I NENGAH ARTHA
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

The Influence of Several Types of Fertilizers and Seeds Against Growth and Rice Yields (Oryza sativa L.). The research was carried out in a plastic house located in Banjar Kumuda Loka, Telaga Village, Busungbiu District, Buleleng Regency. The study was conducted from January 2017 to April 2017. The purpose of this study was to determine the type or combination of fertilizers and the age of the best seeds used that can provide maximum growth and yield of rice crops. This study was prepared using Factorial Randomized Block Design (RBD) with two factors. The first factor is the provision of fertilizer consisting of four level namely; fertilizing the farmer's way, organic fertilizer (solid + liquid), chemical fertilizer and organic fertilizer + chemical. The 2nd factor is the age difference of seeds consisting of three level namely; seed germinate, seven days after germinate and fourteen days after germinate. Each treatment was repeated three times. The results showed that the interaction between fertilization and seeding age had a significant effect on panicle length and the real impact on the harvest index. In single fertilizer were very significant to plant height, number of leaves, number of maximum and productive tillers, leaf area, number of panicles per hill, dry yield of harvest and dry oven per hill, Heavy wet and dry straw oven. While the treatment of seedlings had significant effect on plant height, number of leaves, number of maximum tillers, number of grains per panicle, panicle length and weight of grain per panicle. The highest yield (6.58 tons/ha) was obtained from a combination of organic and chemical fertilization with seeding age of 7 days after germinate.

Pemanfaatan Biochar Limbah Pertanian sebagai Pembenah Tanah untuk Perbaikan Kualitas Tanah dan Hasil Jagung di Lahan Kering RUPA MATEUS; DONATUS KANTUR; LENNY M. MOY
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Utilization of Agricultural Biochar Waste as Soil Conditioner for Improved Soil Quality and Result of Corn in Dryland. Optimization of degraded dryland use need to be increased through by materials soil conditioner ground added, such as biochar which made from agricultural waste. Organic soil conditioner has been shown effective to accelerate the recovery of degraded drylands caused by conventional farming. This study aims to determine the effectiveness of biochar as a soil conditioner on the soil quality improvement and yield of corn in dryland as well. Research was carried out at State Agricultural Polytechnic field practice which is located in Oesao, East Kupang, Kupang regency, East Nusa Tenggara province. Design of this study was split plot factorial with three replications. The first factor as the main plot is kind of biochar, with four types, namely: Bs: biochar cow dung; Bp: rice husks; Bg: pruned G. sepium; and Bj: corn stover. The second factor as sub plots are doses of biochar, with three levels, namely: D1: 3 t ha-1; D2: 6 t ha-1; and D3: 9 t ha-1. The results showed that no interaction between the type and dose of biochar on soil quality and yield of corn. Each single factor either main plots and sub plot gave a significant difference on the quality of soil and yield of corn. Corn stover biochar and pruned G. sepium better improve soil quality and yield of corn in dryland than biochar that made from cow dung and rice husk. Doses tested biochar also showed different results and significantly improve of the soil quality and yield of corn.

Daftar Isi Agrotrop Vol. 7, No. 2, November 2017 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (27.018 KB)

Daftar Isi Agrotrop Vol. 7, No. 2, November 2017

Kajian Fisikokimia selama Penyimpanan Buah Jambu Biji (Psidium guajava L.) Varietas Kristal pada Perbedaan Teknik Budidaya dan Tingkat Kematangan Buah NI KADEK EMA SUSTIA DEWI; GEDE WIJANA; UTAMI UTAMI; I NYOMAN RAI
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

The Phycochemical Study of Kristal Guava (Psidium guajava L.) During Storage under Difference Cultivation Techniques and Fruit Maturity Levels. Kristal guava (Psidium guajava L.) is one of guava variety with high economic value, thick flesh and seedless. This research studied the effects of cultivation techniques and maturity level toward the physical and chemical characteristics of kristal guava during storage. Research was conducted at the farmland in Banjar Semanik, Pelaga, Badung and the storage was implemented in Postharvest Engineering Laboratory, Faculty of Agricultural Technology, Udayana University in April to December 2016. This study used a completely randomized design (CRD) with two factors and the treatments were repeated four times. The first factor was with 2 levels of cultivation techniques (non intensive and intensive) and the second factor was with 3 levels of maturity (green, light green and yellowish green). The results showed that there were interaction between cultivation techniques and maturity level toward the physical and chemical characteristic of kristal guava in average weight per fruit and the organoleptic test color of the fruit observed 9 day after storage. The highest average weight per fruit (248.33 g) was obtained from combined treatment of intensive cultivation techniques with the third maturity level which is yellowish green was significantly different with the lowest average weight per fruit (143.33 g) that was obtained from combined treatment of intensive cultivation techniques with the first maturity level which is green. The best combined treatment that affect the physical and chemical characteristics of kristal guava during storage is combined treatment in intensive cultivation techniques with the third maturity level which is yellowish green, but statistically not significantly different from non intensive cultivation technique.

Uji Mutu Benih Kedelai (Glycine max L. Merril) Varietas Grobogan yang Diproduksi dengan Aplikasi 10 Isolat PGPR NI PUTU NONIK SUGIANTARI; I GUSTI NGURAH RAKA; UTAMI UTAMI
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

The Quality Test on Soybean Seeds (Glycine max L. Merril) for Grobogan Variety that Produced by Using Applications of 10 Isolats PGPR. This research is aimed to know the ability of isolat Plant Growth Promoting Rhizobakteria (PGPR) producing soybean seed with quality and high seed quality. The complete random plans (RAL) are used in this research. Tens kinds of isolat rhizobakterias and 1 control (without rhizobakteria) are tested. Observation is done toward variable of sprouts’ energy, vigor (energy supplying), electrical conductivity, ratio of seed coat, and vigor of seeds growth (tall, number of leafs, dry weight for oven on ground, and dry weight for roots). The outcome shows of roots that 10 isolat rhizobakterias are able to improve the seed yield and soybean seed quality. 10 isolat rizobakterias produce soybean seeds with sprouts’ energy > 80% to fulfill seed quality standard “international seed testing association (ISTA)”. Having three isolats which are effective namely, R35 (it is isolated from cajanus cajan’s root), R3 (it is isolated from stylosanthes guianensis’s root), and R26 (it is isolated from solanum nigrum’s root). Three of those isolats produce high harvest namely R35 (10.4g), R3 (10.10g), R26 (10.86g). Those three isolats also produce seed with physical quality and high physiology.

Respon Pemupukan terhadap Hasil dan Kualitas Buah Jambu Biji Kristal (Psidium guajava L. cv. Kristal) I WAYAN SUAMBA; I NYOMAN RAI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Response of Fertilization on Yield and Quality of Guava (Psidium guajava L. cv. “Kristal”). Grower of “Kristal” guava (Psidium guajava L. cv Kristal) in Bali have not adopted good agriculture pratices (GAP) yet. Hence, it’s yield and quality has been low. The purpose of this study was to evaluate yield and quality of “Kristal” guava in response to fertilization. The experiments was arranged in Randomized Block Design (RBD) with eighteen replications. The treatments were P0 (organic fertilizer 5 kg), P1 (organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g) and P2 (organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g /plant, Zn and Cu (0,4%)). The result indicated that the maximum fruit weight per plant (15,22 kg) and fruit number per plant (55,56 fruit) were found on fertilizer with organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g , Zn and Cu (0,4%) (P2). The maximum fruit diameter (8,27 cm) and fruit weight per fruit (273,55 g) were also found on fertilizer with organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g , Zn and Cu (0,4%).

Reviewer Agrotrop Vol. 7, No. 2, November 2017 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (22.088 KB)

Reviewer Agrotrop Vol. 7, No. 2, November 2017

Pengaruh Media Tanam dan Pemupukan terhadap Pertumbuhan Bibit Jambu Biji (Psidium guajava L.) untuk Batang Bawah I KADEK EKADANA; I NYOMAN RAI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Effects of Plant Media and Fertilization on The Growth of Guava Seed (Psidium Guajava L.) for The Under Stem. The availability of the rootstock with good growth very important in the Propagation of guava. Improvement of the factors that affect the growth of guava seedlings for rootstock needs to be done to spur its growth. The alternative that can be done is to improve vegetative growth by choosing the right planting medium and good fertilization. The research was conducted on farmers farm located in Banjar Tiyigan, Pelaga Village, Petang, Badung, Bali. The study used factorial randomized complete block design (RCBD). The first factor planting media consists of 4 levels i.e soil+sand, soil+sand+compost, soil+sand+rice husk and soil+sand+compost+rice husk. The second factor fertilization consisting of 3 levels i.e chemical fertilizer (NPK), liquid organic fertilizer (biourine) and NPK+biourine fertilizer, which were repeated 4 times. The results showed that there was no interaction between treatment of planting medium and fertilization. The treatment of planting media had significant effect on all observed variables, except for N and P leaf content. The treatment of fertilizer has a significant effect to the variation of leaf area, leaf plant and plant height. The best planting medium was found on mixed soil+sand+compost+rice husk with total dry weight of oven per plant 11.65 g very different from other media. Meanwhile for the treatment of NPK fertilizer added with biourine fertilizer gave the plant height of 29.04 cm is very different with other fertilizers.

Efektivitas PGPR Formulasi Kompos Dalam Meningkatkan Ketahanan Tanaman Kedelai terhadap Soybean Stunt Virus I KETUT SIADI; KHAMDAN KHALIMI; I DEWA NYOMAN NYANA; I GUSTI NGURAH RAKA
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Effectiveness of PGPR Compost Formulation in Improving Soybean Plant Resistance to Soybean Stunt Virus. Soybean stunt virus (SSV) is one of important obstacles of soybean production in Indonesia. This virus causes the stunting on soybean plant and may cause the yield losses up to 71%. Eight isolates of plant growth promoting rhizobacteria (PGPR) were isolated and tested for their efficacy to control SSV on soybean. Those isolates are Paj, Pak2, Pa1, Pa3, Pa4, BT, and KT. Application of PGPR was done by soaking the seeds in PGPR solution prior to planting and application of PGPR in compost formulation. Virus concentration and disease incidence were determined using DAS-ELISA. Results of this study showed that application of PGPR in compost formulation suppressed disease incidence caused SSV. Disease incidence on treated plants ranged between 10% to 25%, while all of plant (100%) on un-treated plants were infected. Peroxidase activity on treated plants increased by 80.25% to 97.33% in comparison with un-treated plants. These results suggested that application of PGPR in compost formulation could increase the resistance of soybean against SSV. Hence, PGPR can be considered as one of measures to control SSV on soybean.

Pertumbuhan dan Hasil Berbagai Varietas Kacang Hijau (Vigna radiata (L.) Wilczek) pada Kadar Air yang Berbeda YUDHANI WIDHYA HARTIWI; GEDE WIJANA; RINDANG DWIYANI
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Growth and Yield of Various Mung Bean Varieties (Vigna radiata (L.) Wickzek in Different Water Content. Mung bean (Vigna radiata (L.) Wilczek) is a commodity crop beans are commonly grown on dryland and high protein. Problems encountered in cultivation of mung bean in dry land is low results, one of them the limited seed of drought stress tolerant therefore needs to be done against drought stress research production of mung beans. Objective to know the growth and the results of various varieties of mung beans at different water levels. This experiment using Random Design complete with two factors. The treatment consists of the water content of the soil with a capacity of 100% airy, 75%, 50%, 25% and varieties of Fore Belu, Kutilang, Vima-1, and Sriti. The results of the experiment demonstrated the interaction between moisture content and varieties against the number of pods per plant, number of seeds per plant dry weight, dry seeds per plant, seeds of oven dry weight per plant dry weight and the oven 100 seeds. Moisture content of the soil with a roomy capacity (100%) gives the results of dry weight per plant seeds under the highest (17.2 g) compared to other treatments. Varieties that produce the highest growth found in the varieties of Sriti. Moisture content of the soil with a capacity of 100% airy gives the best results on the plant mung beans. Most varieties are tolerant of most soil water content lower than the capacity of the airy is Sriti varieties.

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