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Ida Ayu Gede Bintang Madrini
Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana. Kampus Bukit Jimbaran, Badung-Bali
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Analisis Persentase Kekurangan Air Irigasi pada Subak di Das Ho Saat Musim Kemarau Florinaus Walbat; I Wayan Tika; Ida Ayu Gede Bintang Madrini
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 10 No 1 (2022): 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.2022.v10.i01.p04

Abstract

Irrigation water shortageis caused by insufficient water discharge during the dry season. The water is distributed unevenly; theupstream water tends to have a surplus water,whereas the downstream has the tendency of water deficit. Based on the situation,it is necessary to conduct researchon the irrigation watershortageduring the dry season, so that optimal water management can be achieved. The study was conducted to determine the percentage of irrigation water deficiency in each subak and determine irrigation water management techniques that ensuring the water distributed evenly to each subak.Primary data were obtained by interview, observation, and measurement methods, while secondary data were obtained from BMKG Region III Denpasar. The data obtained were analyzed to determinethe percentage of irrigation water shortages that occurred during the dry season and to determine the proportion of irrigation water distribution.The results showed that the percentage of water shortage of irrigation water in the upstream subak was -48,43%, in the middle subak was 21,99%, and in the downstream subak 23,92%.Theproportional water management techniques in the upstream subak, middle,downstream in the dry season using modified Qt, the upstream subakhadthe initial Qt of 2,67 l/sec/haand themodified was 1,73 l/sec/ha, in the middle subak has the initial Qt of1,32 l/sec/ha and the modified was0,75 l/sec/ha, and in the downstream subak had initial Qt of 2,53 l/sec/haand themodified onewas3,21 l/sec/ha.
Efek Penambahan Kotoran Sapi terhadap Kualitas Kompos pada Pengomposan Batang Pisang I Kadek Aditya Pranata; Ida Ayu Gede Bintang Madrini; I Wayan Tika
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 10 No 1 (2022): 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.2022.v10.i01.p21

Abstract

Composting is an alternativemeanto increase the usefulness and added value of organic waste. The purpose of this study was to determine the effect of adding cow dungand banana stem. This study expected to obtain the best composition of the mixture of ingredients from the use of banana stalks and cow dung according to the Indonesian National Standard (SNI) 19-7030-20014. The materials used in this study were banana stalks and cow dung with a ratio of banana stalks to cow dung, namely: K1 (1: 1), K2 (2: 1), K3 (3: 1), K.BP (only banana stalks). ). The composting process in this study used Biocomposter Tahiron New Garden Bag 2. In the composting process the temperature was observed every day, while the moisture content of C-organic, nitrogen, C / N ratio and pH were observed once every 14 days. The temperatures in the K1, K2, K3 and K.BP treatments were respectively 43.6 oC, 44.3 oC, 43.6 oC and 38.6 oC. Temperature, pH, and moisture content parameters did not show significant differences between treatments, while the C / N ratio in the comparison between KBP and K1 (1: 1), K2 (2: 1), and K3 (3: 1) showed differences. K2 treatment showed the best mixture composition with the composting temperature approaching thermophilic, namely 44.3oC. The C / N ratio of all treatments did not meet SNI 19/7030/2004, while pH, moisture content, organic matterwithin the range as regulated in the standard
Rancang Bangun Sistem Pemantauan Pengendali Suhu dan Nutrisi Berbasis IoT Pada Hidroponik NFT (Nutrient Film Technique) Tanaman Pakcoy (Brassica Rapa Chinensis.) I Ketut Trisna Adi Putra; I Putu Surya Wirawan; Ida Ayu Gede Bintang Madrini
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 10 No 1 (2022): 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.2022.v10.i01.p17

Abstract

The current advancement of hydroponic technology is closely related to advances in automation technology such as the application of IoT. One of the hydroponic systems currently being developed is NFT hydroponics. This system has relatively easy monitoring of temperature, oxygen and nutrients. The purpose of this study was to determine the effectiveness of monitoring, temperature control and nutrition in the hydroponic NFT system. The system design produced in this study includes the use of Arduino Uno as a microcontroller connected to a DHT11 sensor for temperature monitoring, a pH 4502C sensor for monitoring nutrition, while an ultrasonic sensor monitors the level of nutrient water in the hydroponic system of pakcoy plants automatically. The use of pakcoy plants as samples of hydroponic plants with the NFT system is due to their relatively fast-growingvegetable. The results of the study showedthe use of the DHT11 sensor and the electrode sensor with the 4502C module as a nutritional monitoring unit has an accuracy of 98%. This shows that the monitoring and automation systems of the NFT hydroponic pakcoy are running well.
Co-Authors Florinaus Walbat I Kadek Aditya Pranata I Ketut Trisna Adi Putra I Putu Surya Wirawan I Wayan Tika