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Gede Arda
Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian Universitas Udayana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Pengaruh Ketebalan Plastik Polietilen Densitas Rendah sebagai Bahan Kemasan terhadap Mutu Daun Seledri (Apium Gravelens L.) Selama Penyimpanan Dingin I Kadek Puja Harta Hadi; Ida Ayu Rina Pratiwi Pudja; Gede Arda
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 2 (2020): 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.2020.v08.i02.p07

Abstract

Using the right thickness of low-density polyethylene (LDPE) packaging can maintain the quality of celery and also can extend their storage time. The purpose of this study was to determine the effect of LDPE plastic thickness as a packaging material on the quality of celery during storage at low temperature and to determine which thickness level of LDPE plastic can maintain the best quality celery. Experimentalresearch was used in this study. In this study, Completely Randomized Design (RAL) was used as experimental design. The thickness level that used for this study were 0.02 mm; 0.03 mm; 0.04 mm; 0.05 mm, 0.06 mm. Observations were made once every 3 days and each treatment was repeated 3 times at a storage temperature of 10 ± 20C for 18 days. The parameters in this study were weight loss, water content, color, texture, freshness, and the scent. The results of the analysis of variance showed that the thickness level of LDPE plastic as packaging material for celery had a very significant effect (P˂0.01) towards the research parameters. The best treatment was obtained from 0.04 mm size with a weight loss of 4.64%, 18.97 on color, a texture of 0.0455 N, a water content of 90.22%, a freshness level of 4.87 and the scent of 5.00. The conclusion that the thickness level at 0.04mm of LDPE plastic is the best solution to maintain quality of celery and reached 18 days of storage time
Pengaruh Jarak Tanam Terhadap Pertumbuhan dan Hasil Tanaman Bayam (Ammaranthus tricolor) Secara Hidroponik NFT (Nutrient Film Technique) I Made Suarjana; Gusti Ngurah Apriadi Aviantara; Gede Arda
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 1 (2020): 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.2020.v08.i01.p08

Abstract

The purpose of this study was to determine the effect of spacing on the growth and yield of spinach plantshydroponically by the NFT (Nutrient Film Technique) and to determine the most effective distance from NFT hydroponic growth and spinach yield. This study used a Completely Randomized Design (CRD) consisting of four treatment distances, namely 5 cm, 10 cm, 15 cm, and 20 cm. Each treatment uses the same number of plants as 15 plants in one ditch. The study was conducted for 20 days. The parameters  observed were plant height, number of leaves, fresh weight, dry weight, root length, and stem diameter. The parameters of height and number of leaves were measured every two days, while the parameters of fresh weight, dry weight, root length, and stem diameter were measured after harvest on the 20th day. From the results of the LSD test, the treatment distance of 15 cm had the best results and the distance of 5 cm showed the lowest results in each treatmen
Co-Authors Gusti Ngurah Apriadi Aviantara I Kadek Puja Harta Hadi I Made Suarjana Ida Ayu Rina Pratiwi Pudja