Open AccessVarious impacts of Sinabung eruption volcanic ash thickness with different vegetation on the microorganism population in andisols
Author(s) -
Izma Qadaryanty,
Mariani Sembiring,
Benny Hidayat
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/454/1/012168
Subject(s) - vegetation (pathology) , volcanic ash , andisol , microorganism , environmental science , population , volcano , humidity , soil science , geology , geography , geochemistry , soil water , bacteria , medicine , paleontology , environmental health , pathology , meteorology
The aim of this research is to observe the impact of various thicknesses of volcanic ash and different vegetation on microorganism populations in Andisol affected by the eruption of Mt. Sinabung in NamanTeran Sub-district, Karo district, which was affected by the eruption of Mt. Sinabung after 5 years of eruption which is distinguished by several ash thicknesses, namely: A0: 0cm (already processed), A1: 2-5 cm (moderate), A3:> 5 cm (thick) with annual plant vegetation and grass vegetation. Soil sampling was using the survey method. Calculation of total soil microorganisms was done by the Total Plate Count method. The results indicated that the higher the pH, C-organic, humidity and temperature, the more microorganism population, also different thickness of ash and vegetation affected the number of microorganism population.