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All Journal Agrotrop : Journal on Agriculture Science AGRITROP International Journal of Biosciences and Biotechnology Ecotrophic, Journal of Environmental Science Advances in Tropical Biodiversity and Environmental Sciences INTERNATIONAL JOURNAL OF ENVIRONMENT AND GEOSCIENCES
I NYOMAN MERIT
Fakultar Pertanian Universitas Udayana Bali
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Veterinary

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PENINGKATAN PRODUKSI DAN MUTU BUAH ANGGUR DENGAN PEMBERIAN IRIGASI TETES DAN PUPUK MINERAL PLUS PADA LAHAN KERING KECAMATAN GEROKGAK, BULELENG I NYOMAN MERIT; IWAYAN NARKA; IDA BAGUS PUTU BHAYUNAGIRI
Agrotrop : Journal on Agriculture Science Vol 1 No 1 (2011)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Increasing the Production and Quality of Grape Yield with Drip Irrigation and Mineral Plus Fertilizer. The aim of this research was to find out the optimum of irrigation intervals and mineral plus fertilizer application in order to increase the production and quality of grape yield. The research was set up for two years program. In the first year, the observation was focused on vegetative growth while yield production was observed in the second year. Three intervals of irrigation viz 2, 4 and 6 days and mineral plus fertilizer dose (M , M 0 and M ) was tested in nested randomized block design with three replications. Parameter of vegetative growth such as plant height, stem diameter and number of branch was measured regularly. Supporting parameters such as soil moisture content, soil water potential, plant water status as indicated by relative water content (RWC) was also measured. In the second year, the production and quality of yield such as number of bunch per plant, number of fruit per bunch and sugar content of fruit were measured. The results showed that mineral plus fertilizer gave a significant effect on grape production, both in first and second harvest. Total yield production of first and second harvest of treatment M0, M1 and M2 was 23.63 kg 27.95 kg and 30.81 kg, respectively. The yield was increased of 18.28 % and 30.38 % of M1 and M2 compare to M0. Interval water supply, has a significant effect on grape yield both in first and second harvest. Total yield production of I1, I2 and I3 was 33.04 kg, 28.18 kg and 21.17 kg, respectively. This was decreased of about 14.71% and 35.93% of I2 and I3 compare to I1. Yield quality was increased as mineral fertilizer increased. Sugar content, volume of seed and respondent that mentioned the yield was sweet, significantly increased as mineral plus fertilizer increased
Application of Dosage Combinations of Evagrow Biofertilizer and Chemical Fertilizer on Soil Characteristics, Growth and Yield of Rice I Nyoman Merit; I Wayan Narka; Tatiek Kusmawati
Advances in Tropical Biodiversity and Environmental Sciences Vol 1 No 1 (2017): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (148.856 KB) | DOI: 10.24843/ATBES.2017.v01.i01.p01

Abstract

Research on the effect of dosage combination of Evagrow bio-fertilizer and chemical fertilizers on soil properties, growth and yield of rice has been carried out in the glasshouse, Faculty of Agriculture, Udayana University using factorial experiment with a Randomized Block Design (RBD). The first factor is Evagrow bio-fertilizer in 3 level, i.e. E0 (without bio-fertilizers), E1 (5 g bio-fertilizer/L) E2 (10 grams bio-fertilizer/L). The second factor is chemical fertilizer, which consists of 3 levels: K0 (without chemical fertilizers), K1 (150 kg Urea/ha + 75 kg SP36/ha + 37.5 kg KCl/ha), K2 (300 kg Urea/ha + 150 kg SP36/ha + 75 kg KCl/ha). The results showed that chemical fertilizers give a significant and very significant effect on most of the rice growth and yield parameters. The application of chemical fertilizers K1 and K2 increased yield of dry grain harvest to 52.87% and 102.54% compared to controls.  Application of Evagrow bio-fertilizer did not significantly increase growth and yield of rice. There is no interaction between chemical fertilizers and Evagrow bio- fertilizer.  Similarly to some of the soil characteristics, biological fertilizer and chemical fertilizer application did not show significant effect on most of the soil characteristics, except on salt levels.Keywords: Evagrow Biofertilizer, Inorganic Fertilizer, Oryza Sativa
Study of Land Use Change from 1997 To 2014 Using Landsat Data In Bangli Regency Nuranita Naningsi; Takahiro Osawa; I Nyoman Merit
International Journal of Environment and Geosciences Vol 2 No 2 (2018)
Publisher : Graduate Study of Environmental Sciences, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ijeg.2018.v02.i02.p04

Abstract

Bangli Regency is one of Regency in the Bali Province. The total area of Bangli Regency is 52,081 hectares (9.24%) of total area of Bali Province (563,666 ha). The Growth and the development of the region Bangli Regency the positive impacts on the economy of the community, and the negative impacts on the environment. Land use change is one of the negative issue of development Bangli Regency. This study conduted the calculation of land use change from 1997 to 2014 using Landsat data in Bangli Regency. Landsat 5 TM, Landsat 7 ETM+ and Landsat 8 OLI/TIRS imageries were used to determine the land use map based, on using supervised classification method. The field data set the nine classes were classtuded based, on the classification were fresh water, bare land, forest, residential, bushes, irrigated paddy field, non irrigated paddy field, dry land and plantation. There results showed in land use changes from 1997 to 2014 that plantation increased (19,486.33 ha (36.89%)), and residential increased (1,872.00 ha (3.47%)), there is also a vast to reduction in dry land (-10,868.90 ha (-21.21%)), forest (-6,333.34 ha (-12.24%)), irrigated paddy field (-1,619.50 ha (-3.17%)), bushes (-1,637.30 ha (-3.27%)), bare land (-63.00 ha (-0.17%)), non irrigated paddy field (-113.59 ha ( -0.26%)) and fresh water (-2.70 ha (-0.05%). The results accuracy rate was 89.45%. Anslyse of land use showed that the significant decrease of plantation area in Bangli Regency hill due to rapid development of infrastrusture of tourism and extensive residential area has increased particularly in sub district of the Kintamani District.
STRATEGI PENGELOLAAN EFEKTIF EKOSISTEM TERUMBU KARANG DI KAWASAN KONSERVASI NUSA PENIDA I Dewa Kadek Wira Sanjaya; I Nyoman Merit; Ida Ayu Astarini
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 16 No 2 (2022)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2022.v16.i02.p01

Abstract

Nusa Penida MPA was established with the aim to conserving natural resources and ensuring the sustainability of livelihoods. The Government of Indonesia uses the EVIKA tools to assess the effectiveness of MPA management. This study examines the effectiveness of MPA management by looking at indicators of coral reef ecosystem health and resource utilization to develop an effective management strategy using the force filed analysis method. The results showed that the condition of coral and fish biomass in the Nusa Penida MPA experienced a significant increase. Hard coral cover was in the medium category with a cover of 43% and fish biomass of 816.80 kg/ha. The coral reef health index of the Nusa Penida MPA is 5 which indicates that coral cover is in the medium category with high recovery potential and the coral reef fish category is low. Nusa Penida marine resources are used for fisheries, tourism as well as for trade. This study recommends a strategy to increase the effectiveness of Nusa Penida MPA management by investing in increasing human resource capacity in the Bali MPA management unit in competence on monitoring ecosystem and preparing a management budget plan along with efforts to fulfill program budgets. Keywords: Coral Reef, Management; Effective; Nusa Penida; MPA
SPATIAL ANALYSIS OF LANDSLIDE POTENTIAL ON AGRICULTURE IN THE AYUNG WATERSHED, BALI PROVINCE Feronika, Feronika; Osawa, Takahiro; Merit, I Nyoman
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 2 (2023)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2023.v17.i02.p06

Abstract

The Ayung Watershed is one of the watersheds with mountainous and hilly landscapes with potential landslides. This study aims to determine the potential level of landslide susceptibility and its effect on agricultural land use in the Ayung watershed. The method used to determine the potential for landslides is a weighting/scoring method by overlapping the parameters causing landslides, namely rainfall, slope, land use, landform, geological structure, and soil type. Determining the effect of landslide potential on agricultural land is done by overlapping the landslide potential map with land use. The data used includes BMKG monthly rainfall for 2015-2019, the slope of DEMNAS data for 2020, geological structure and landform 1:25,000 scale RBI map data for 2019, land use using Sentinel 2A data for 2020, and soil types in the form of spatial planning maps Province of Bali 1:25,000 scale in 2019. The results showed that landslides in the Ayung watershed were categorized as low potential to high potential. Classes with no landslide potential are widespread in the upstream and downstream areas of the watershed, covering an area of ??18,976.01 ha (60%), the low potential category covering 5,877.78 ha (19%), the medium potential category covering an area of ??3,208.76 ha (10%) and the low potential category covering an area of ??3,208.76 ha (10%) spread over the upstream and central parts of the watershed covering an area of ??3,528.55 ha (11%). The effect of landslides on agricultural land has a category from no potential to high potential. The category with no potential is widespread in the upstream watershed area of ??13,268.57 ha (66%), the low potential category is 3,268.57 ha (16%), the medium potential category is 1,782.31 ha (9%), and the high category is spread in the upstream and the middle of the watershed area of ??1,707.28 ha (9%). Keywords: Landslide; Watershed; Mapping; Agricultural land
Co-Authors Chori Amelia Clara Rosy Irawati CoK.I.M. HANDAYANI Feronika, Feronika GALIH INDRAWATI I Dewa Kadek Wira Sanjaya I Gusti Agung Lanang Widyantara I Gusti Bagus Sila Dharma I Ketut Suharta I MADE SUDARMA I Nyoman Dibia I NYOMAN SUNARTA I Wayan Arthana I WAYAN NARKA I Wayan Sandi Adnyana I Wayan Suarna I Wayan Suarsana IDA AYU ASTARINI IDA BAGUS PUTU BHAYUNAGIRI IGAG SWANDANA INDAYATI LANYA Karsun Karsun Made Antara Made Suartana Ni Made Ayu Ratna Sari NI MADE TRIGUNASIH Nilda Nilda Nuranita Naningsi Nyoman Sunarta Putu Desy Darmasusantini SATRIA WAHYU 0ETOM0 Sulastri Sulastri SUPRABADEVI A.S. Syamsul Alam Paturusi Takahiro Osawa Takahiro Osawa Takahiro Osawa TATIEK KUSMAWATI WIYANTI WIYANTI