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All Journal Agrimeta: Agrimeta: Jurnal Pertanian Berbasis Keseimbangan Ekosistem Journal of Sustainable Development Science
Ni Kadek Ema Sustia Dewi
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice

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UJI MUTU BENIH BUNGA MATAHARI PADA PERBEDAAN METODE PENGERINGAN DAN APLIKASI FUNGISIDA Ni Kadek Ema Sustia Dewi; Luh Putu Yuni Widyastuti; Ni Wayan Purnami Rusadi
AGRIMETA : Jurnal Pertanian Berbasis Keseimbangan Ekosistem Vol. 14 No. 1 (2024): Agrimeta: Jurnal Pertanian Berbasis Keseimbangan Ekosistem
Publisher : Fakultas Pertanian dan Bisnis Universitas Mahasaraswati Denpasar

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Abstract

This research aims to examine the viability of sunflower seeds against different drying methods and fungicide applications. This experiment consisted of two factors with a Completely Randomized Design (CRD). The first factor is the drying method, namely drying in the sun (control) with an average of 31°C for six days, cake oven and costume oven with temperatures ranging from 36.5-37.5°C for four days. The second factor is the application of fungicides, namely without fungicides and fungicides. Seed quality testing is carried out using the UKDdP method. The experiment consisted of 6 treatment combinations which were repeated three times so that there were 18 experimental units. Each experimental unit used 25 seeds. The results showed that the lowest water content was 6.25% from sun drying and the highest germination rate was 73.33%. The sun drying method and the use of fungicides can produce the lowest water content, and have the highest values ​​in the percentage of germination, vigor index, maximum growth potential, normal dry weight of sprouts, as well as the use of fungicides. It is necessary to test the temperature and drying period using a cake and custom oven to get the right time to maintain seed viability.
Simple Prototype Design of Phytoremediation Installation in Small Pilot Scale of Acid Mine Drainage Passive Treatment Arif Umami; Ni Kadek Ema Sustia Dewi; Ade Faris Mu'taz; Ja'far Taufik Amin
Journal of Sustainable Development Science Vol 6 No 1 (2024)
Publisher : Universitas Dwijendra Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46650/jsds.6.1.1542.1-7

Abstract

Phytoremediation is usually applied to passively treat Acid Mine Drainage (AMD) by constructing a wetland. To increase the success of the AMD treatment method, laboratory trials were carried out on a pilot scale, and the experimental results were applied on an actual scale. Therefore, a simple design will be prepared for this research that replicates the wetland work system. This research aimed to produce a prototype that could be used for initial testing of phytoremediation on a smaller scale before being applied to field conditions. The installation design was created using Adobe Illustrator software. The trial lasted two months, using modified acid water and flowing it periodically as controlled droplets via an infusion tap into the media that used Typha sp and Pistia stratiotes L as phytoremediator agents. This equipment was tested with three acidity levels, 4, 5, and 6, repeated twice for two months. Results showed that the prototype was built using three buckets arranged in layers, each with its function. The phytoremediation process had successfully occurred in this study, and installation was suitable to support the process. There was a change in AMD acidity around the plants for five weeks and an increase in acidity the fourth week after treatment at the outlet. It could be seen that AMD with lower acidity levels resulted in greater plant damage in the sixth week, but Typha sp still showed resistance to an acidic environment.
Co-Authors Ade Faris Mu'taz Arif - Umami Ja'far Taufik Amin Luh Putu Yuni Widyastuti Ni Wayan Purnami Rusadi