DYMANICS AND CYCLING OF PHOSPHORUS IN THE SOIL ECOSYSTEM IN LEYMUS CHINENSIS GRANSLAND Canonical correlation analyses of sub-suitable mineral elements and chemical composition of flue-cured tobacco leaf with soil ecosystem index in Nanyang Responses of soil nematode communities to soluble salt contamination around Gangue hill in Fushun Advances in studies on rhizospheric microorganism of medicinal plants Resistance and resilience of soil ecosystem: a review Research progress of the application of urban sewage sludge to terrestrial ecosystems Effects of transgenic crops on soil ecosystem Advances in study on environmental behaviors of pentachlorophenol in the soil ecosystem Effects of microbial fertilizer on the soil ecosystem and growth of cotton Acid rain and soil ecosystem Initial exploration of red soil ecology Environmental fate and ecological effects of Bt toxin from transgenic Bt crops i n soil Advance on the biosafety assessment of insect-resistant transgenic cotton Effects of planting Bt corn on soil microbial activity and soil fertility