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All Journal Jurnal BETA (Biosistem dan Teknik Pertanian) Jurnal Ilmiah Teknologi Pertanian Agrotechno
Sumiyati Sumiyati
Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering

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Penghematan Air Irigasi Saat Olah Tanah dengan Tanaman Sela pada Subak I Wayan Tika; I. A. G. Bintang Madrini; Sumiyati Sumiyati; Ni Nyoman Sulastri
Jurnal Ilmiah Teknologi Pertanian Agrotechno Vol. 5 No. 2 (2020): Oktober
Publisher : Fakultas Teknologi Pertanian, Universitas Udayana Gedung GA, Fakultas Teknologi Pertanian, Universitas Udayana Jl. Raya Bukit Jimbaran, Jimbaran, Kuta Selatan, Bali Telp/Fax: (0361) 701801

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITPA.2020.v05.i02.p07

Abstract

One of the significant programs in paddy rice cultivation is the management of irrigation water efficiently and effectively. Commonly, the planting schedule for the subak system in Bali is performed simultaneously, which leads to the highest peak of irrigation water demand. The high demand for water causes a high risk of water shortage, especially during soil tillage. One of the solutions to save irrigation water is to use the intercropping farming method. This method allows farmers to cultivate more than a single crop in a given field area (Monoculture). Based on recent field observation, approximately 10% of the rice paddy field was chili pepper field as a second crop for the intercropping farming method. The result shows by using the intercropping farming method; the water-saving was not significant, which is less than 7 %. It is important to note that the data was collected during the chili pepper growing season from July to August. Additionally, during that time, the soil tillage period was quite long, which was 50 days.
Pengaruh Penambahan EM-4 Terhadap Kualitas Kompos Kotoran Gajah Irfan Fadel; Ida Ayu Gede Bintang Madrini; Sumiyati Sumiyati
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 9 No 1 (2021): April
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.2021.v09.i01.p14

Abstract

Elephant dung is rich in cellulose and lignin. Elephant dung has a color that varies from greenish to blackish, depending on the food consumed (Mathew & Mary, 2015). Meanwhile, elephant dung has not been used much. Therefore, elephant dung has not been fully utilized. elephant dung has not been fully utilized. Composting is an option to make elephant dung more useful. The purpose of this study was to determine the effect of the addition of EM-4 bioactivator on temperature, pH, moisture content, C / N ratio, organic matter produced and to determine the concentration of the EM-4 bioactivator solution which produces the best quality compost from elephant dung and in accordance with Indonesian National Standard (SNI) 19-7030-2004). This study used a completely randomized design (CRD). The treatment used 50 kg of elephant dung for one treatment and each concentration of EM-4 0 ml (control), 50 ml, 100 ml and 150 ml. The four treatments were repeated 2 times in order to obtain 8 experimental units. Observation parameters include compost temperature, pH, moisture content, organic matter, carbon, nitrogen, C / N ratio. The results of composting elephant dung with EM-4 solution for 2 months, it can be seen that the addition of EM-4 solution has an effect on temperature, water content, C / N ratio and organic matter while pH does not show a significant effect. In the treatment of adding 150 ml of EM-4 to 50 kg of elephant manure, the temperature reached thermophilic on day 28, namely 46.1 ͦC, C / N ratio 19.63 and 35% organic matter. All treatments comply with SNI 19-7030-2004.
Co-Authors I Wayan Tika I. A. G. Bintang Madrini I. A. G. Bintang Madrini Irfan Fadel Ni Nyoman Sulastri