id author title date pages extension mime words sentence flesch summary cache txt 8c97kp80h4z Brenda Lynn Daily Stimulating Denitrification in Agricultural Headwater Streams Using Elemental Sulfur 2007 .txt text/plain 154 9 29 Microbial community analysis of the sulfur-oxidizing biofilm suggested significant bacterial diversity existed within the mesocosm, with little variation in depth. I studied a stream mesocosm, simulating a headwater drainage ditch, amended with elemental sulfur. cache/8c97kp80h4z.txt txt/8c97kp80h4z.txt