Effects of two points mutations of esterases from Helicoverpa armigera on metabolic activities of three kinds of insecticides Response of Soil Cultivatable Microorganisms to Uranium Contamination Based on BIOLOG Fingerprint Analysis Method THE RELATIONSHIP BETWEEN GROWTH AND DEVELOPMENT OF ABOVE GROUND ORGANS WITH ROOTS OF WINTER WHEAT USING 32 P TRACER Microbial community and its activities in canopy- and understory humus of two montane forest types in Ailao Mountains, Northwest China. Phospholipid fatty acid analysis and its applications in microbial ecology