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Nitrogenase activity (C2H2 reduction) was found to be associated with the following grasses in the field: Agropyron dasystachyum, Agropyron smi thi i , Aristida purpurea, Oryzopsis hymenoides and Stipa comata. Uptake of fixed nitrogen was also demonstrated for these grasses. Two unidentified nitrogen fixing bacteria were isolated, one from Stipa comata and one from Aristida purpurea. Cynodon dactyl on and Agropyron cristatum were successfully inoculated with the unknown isolate obtained from Stipa comata. The inoculated plants exhibited nitrogenase activity (C2 H2 reduction) whereas uninoculated controls gave negative results.
Tags: Nitrogren


map background search result map search result map WMR 043 - Wisconsin Zinc-Lead District. Grant, Iowa & Lafayette Counties, Wisconsin. 1942. WMR 088 - Proposal for Production of Manganese from Artillery Peak Deposits Flotation and Sintering Plant. Mohave County, Arizona. 1943. WMR 089 - Proposal and Estimate, Production of Crude Iron in Reverberatory Smelting Furnace. Duluth, Minnesota. 1943. WMR 090 - Crane and Chenoweth Mines. Jasper County, Missouri. 1943. WMR 099 - Shamrock Copper. Jefferson County, Montana. 1943. WMR 127 - Boston Consolidated Mine. Salt Lake County, Utah. 1943. WMR 266 - Mercury Dome Mine, Camp Floyd District. Tooele County, Utah. 1944. WMR 286 - Rambler Mine. Albany County, Wyoming. 1944. WMR 294 - Semi-Pilot Plant Investigations of the Nitrogen Dioxide Process for Beneficiation of Manganese Ores. Mohave County, Arizona. 1944. WMR 296 - Nutt-Bailey Bauxite Deposit. Pulaski County, Arkansas. 1944. WMR 364 - Anson Betts Manganese Mine. West Cummington, Hampshire County, Massachusetts. 1945. WMR 375 - Penn Mine Slag Dump. Calaveras County, California. 1945. WMR 381 - Mon-Ark Mines. Christian County, Missouri. 1945. WMR 386 - Cartwright Calcite Deposit. Sweet Grass County, Montana. 1945. WMR 392 - Initial Mining Claims, Stillwater Complex. Sweet Grass County, Montana. 1945. WMR 400 - Benbow Area, Stillwater Complex. Stillwater County, Montana. 1945. WMR 407 - American Eagle Mine. Mariposa County, California. 1945. WMR 356 - Basin Gulch Placer Mine. Jefferson County, Montana. 1945. WMR 090 - Crane and Chenoweth Mines. Jasper County, Missouri. 1943. WMR 381 - Mon-Ark Mines. Christian County, Missouri. 1945. WMR 364 - Anson Betts Manganese Mine. West Cummington, Hampshire County, Massachusetts. 1945. WMR 127 - Boston Consolidated Mine. Salt Lake County, Utah. 1943. WMR 296 - Nutt-Bailey Bauxite Deposit. Pulaski County, Arkansas. 1944. WMR 089 - Proposal and Estimate, Production of Crude Iron in Reverberatory Smelting Furnace. Duluth, Minnesota. 1943. WMR 375 - Penn Mine Slag Dump. Calaveras County, California. 1945. WMR 407 - American Eagle Mine. Mariposa County, California. 1945. WMR 386 - Cartwright Calcite Deposit. Sweet Grass County, Montana. 1945. WMR 392 - Initial Mining Claims, Stillwater Complex. Sweet Grass County, Montana. 1945. WMR 043 - Wisconsin Zinc-Lead District. Grant, Iowa & Lafayette Counties, Wisconsin. 1942. WMR 400 - Benbow Area, Stillwater Complex. Stillwater County, Montana. 1945. WMR 286 - Rambler Mine. Albany County, Wyoming. 1944. WMR 266 - Mercury Dome Mine, Camp Floyd District. Tooele County, Utah. 1944. WMR 088 - Proposal for Production of Manganese from Artillery Peak Deposits Flotation and Sintering Plant. Mohave County, Arizona. 1943. WMR 294 - Semi-Pilot Plant Investigations of the Nitrogen Dioxide Process for Beneficiation of Manganese Ores. Mohave County, Arizona. 1944. WMR 099 - Shamrock Copper. Jefferson County, Montana. 1943. WMR 356 - Basin Gulch Placer Mine. Jefferson County, Montana. 1945.