Verification of the test method for iron (Fe) levels in wastewater in the coal handling and transportation laboratory was carried out using the atomic absorption spectrophotometer (AAS) method. The purpose of the study was to determine the linearity of the calibration curve, limit of detection (LOD), limit of quantitation (LOQ), method detection level (MDL), precision, and accuracy. The results…
Ceratocystis sp. is a pathogen that reported to cause wilt disease in Mangifera indica, Acacia mangium, and Lansium domesticum plants. Endophytes are microorganisms that live, diverse and develop in the organs of living plant tissue. Endophytic microorganisms have the potential to be phytopathogenic biological control agents and can be used as an efficient control alternative. The purpose of th…