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Sumiyati
Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia)
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Prediksi Erosi MenggunakanMetode RUSLEpada Lahan Pertanian di Desa Candikuning, Kecamatan Baturiti, KabupatenTabanan Kevin Osda Sianipar; Sumiyati; Ni Luh Yulianti
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 12 No 1 (2024): 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.2024.v12.i01.p09

Abstract

Candikuning Village’s land is located in the highlands with topography ranging from flat to very steep and high rainfall intensity, causing land erosion. Therefore, research related to erosion using the RUSLE method is necessary. The RUSLE method measures five parameters: rainfall erosivity, soil erodibility, length and slope index, land cover vegetation index, and land management index. This study aimed to determine erosion values and erosion danger levels of the land. Based on overlaying soil type, slope, and land cover maps, 40 land characteristic units were identified. Analysis showed that Candikuning Village’s rainfall erosivity was 239.82 MJ mm/ha/hour/year. Soil erodibility parameters ranged from 0.18 to 0.53. Length and slope index values based on slope classification were 0.29–1.79 for flat land, 1.97–3.70 for sloping, 2.94–7.23 for slightly steep, 6.11–10.17 for steep, and 10.25–13.42 for very steep land. Land cover vegetation index included 13 vegetation types with C index values of 0.001, 0.3, 0.4, 0.6, 0.7, and 1.0. Land management index had six management types with P index values of 0.032, 0.4, 0.5, 0.75, 0.9, and 1.0. Based on RUSLE calculations, erosion prediction values ranged from 0.11 to 313.59 tons/ha/year. Land categorized by erosion danger levels very light, light, medium, heavy, and very heavy covered areas of 1,552.92 ha, 260.54 ha, 124.12 ha, and 23.84 ha, respectively, with no land classified as very severe.
PENGARUH PERLAKUAN SEBELUM SEMAI DANINTERVAL FERTIGASI TERHADAP PRODUKTIVITASMICROGREEN LOBAK (Raphanus sativus) Gusti Ayu Putri Mei Ulianti Ulianti; Sumiyati; da Ayu Rina Pratiwi Pudja; Ni Nyoman Sulastri
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 12 No 1 (2024): 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.2024.v12.i01.p15

Abstract

Microgreens are vegetables harvested at a young age from vegetable seeds, with radish microgreens providing higher nutritional value compared to mature plants. Pre-sowing treatment and nutrient provision are factors that influence microgreen productivity. This study aimed to determine the effect of pre-sowing treatment and fertigation interval on productivity and identify the treatment that produced the best results. A randomized block design with two factors pre-sowing treatment and fertigation interval was used with three replications. The pre-sowing treatments consisted of soaking and not soaking, while the fertigation intervals were without fertigation, every day, every 2 days, and every 3 days. Observed parameters included fresh weight, dry weight, plant height, and leaf SPAD values. Results showed significant effects on fresh and dry weight (P<0.05), while plant height and leaf SPAD values were not significantly affected (P>0.05). Soaking before sowing combined with daily fertigation produced the highest productivity, with 0.14 g/cm², 108.70 g fresh weight, 9.70 g dry weight, 9.49 cm plant height, and a leaf SPAD value of 45.99. This treatment was concluded to be the most effective for maximizing radish microgreen productivity.
Co-Authors da Ayu Rina Pratiwi Pudja Gusti Ayu Putri Mei Ulianti Ulianti Kevin Osda Sianipar Ni Luh Yulianti Ni Nyoman Sulastri