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I Wayan Widia
Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Unud
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Peningkatan Gelombang Elektromagnetik Menurunkan Laju Perkecambahan Padi Beras Merah Cenana Jatiluwih (Oryza Sativa Var Barac Cenana) Gede Viqtor Arya Nugraha; I Made Anom S Wijaya; I Wayan Widia
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 6 No 2 (2018): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2018.v06.i02.p07

Abstract

This study aims to find out the modeling of electromagnetic fields against local rice varieties and to determine the electromagnetic field and the proper immersion time to produce the best rice germination. The experimental experiment used is a factorial circuit consisting of two factors. The first factor is the strength of the electromagnetic field of 0 mT, 2 mT, 3 mT and 4 mT, while the second factor is the duration of immersion consisting of 48, 64, and 96 hours. The data obtained were analyzed by verbal examination, then continued with duncan test if treatment had real effect. The results showed that the stronger electromagnetic exposure with certain voltage resulted in a decrease in the percentage of seed germination of local varieties of rice while for the immersion treatment, the longer the seed immersion resulted in increased percentage of germination of local varieties of rice. The best germination was produced at exposure of 2 mT vol tage electromagnetic field with 96 hours of immersion time for red rice varieties.
Pemahaman PetaniTentang Budidaya Kopi Arabika dan Pengaruhnya Terhadap Produktivitas Hasil Panen I Komang Agus Suara; I Wayan Widia; Ida Bagus Putu Gunadnya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 6 No 2 (2018): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2018.v06.i02.p02

Abstract

The aims of this study were to determine the level of understanding of farmers on coffee cultivation and its effect on productivity. Observed cultivation aspects included land preparation, light intensity regulation, planting techniques, plant breeding, fertilizer application, pest control, plant rejuvenation, and coffee harvesting. The research involved 45 respondents selected using simple random sampling from coffee member farmers of MPIG Kintamani, Bali. The highest value among research variables was obtained in plant rejuvenation, while the lowest was in coffee harvesting. Data analysis using Confirmatory Factor Analysis (CFA) and Multiple Regression Analysis (MRA) showed three cultivation factors significantly contributing to crop productivity: land preparation, planting techniques, and plant rejuvenation. Land preparation and planting techniques had a positive effect on Arabica coffee productivity, whereas plant rejuvenation had a negative effect. Planting techniques had the most dominant influence on Arabica coffee productivity. It is expected that these findings can help improve Arabica coffee production in Bali, currently at 0.5 tons per hectare, thereby contributing to national coffee production.
Co-Authors Gede Viqtor Arya Nugraha I Komang Agus Suara I Made Anom S Wijaya Ida Bagus Putu Gunadnya