Contrasting response of two grassland soils to N addition and moisture levels: N2O emission and functional gene abundance

[21] Witzel KP(1984)Comparison of biomass production and biological nitrogen fixation of multi-species pastures (mixed herb leys) with perennial ryegrass-white clover pasture with and without irrigation in Canterbury, New Zealand Ecol Monogr 54 187-211

[22] Carran RA(2006)Production of NO Soil Biol Biochem 38 991-999

[23] Theobald PW(2005) and N FEMS Microbiol Lett 250 33-38

[24] Evans JP(2012)O by nitrifying bacteria at reduced concentrations of oxygen Soil Biol Biochem 46 163-171

[25] Cavagnaro TR(1982)Nutrient cycling and soil fertility in the grazed pasture ecosystem Soil Biol Biochem 14 393-399

[26] Jackson LE(2009)Pseudoreplication and the design of ecological field experiments Nature 461 976-979

[27] Hristova K(2001)Experimental evaluation of methods to quantify dissolved organic nitrogen (DON) and dissolved organic carbon (DOC) in soil FEMS Microbiol Ecol 36 33-42

[28] Scow KM(1991)Activity, diversity and population size of ammonia-oxidising bacteria in oil-contaminated landfarming soil Nature 350 330-332

[29] Chen Z(1997)Abundance and community structure of ammonia-oxidizing bacteria and archaea in a temperate forest ecosystem under ten-years elevated CO Biol Fertil Soils 24 211-220

[30] Luo X(1994)Nitrification in three Alberta soils: effect of temperature, moisture and substrate concentration Soil Biol Biochem 26 279-286

[21] Witzel KP(1984)Comparison of biomass production and biological nitrogen fixation of multi-species pastures (mixed herb leys) with perennial ryegrass-white clover pasture with and without irrigation in Canterbury, New Zealand Ecol Monogr 54 187-211

[22] Carran RA(2006)Production of NO Soil Biol Biochem 38 991-999

[23] Theobald PW(2005) and N FEMS Microbiol Lett 250 33-38

[24] Evans JP(2012)O by nitrifying bacteria at reduced concentrations of oxygen Soil Biol Biochem 46 163-171

[25] Cavagnaro TR(1982)Nutrient cycling and soil fertility in the grazed pasture ecosystem Soil Biol Biochem 14 393-399

[26] Jackson LE(2009)Pseudoreplication and the design of ecological field experiments Nature 461 976-979

[27] Hristova K(2001)Experimental evaluation of methods to quantify dissolved organic nitrogen (DON) and dissolved organic carbon (DOC) in soil FEMS Microbiol Ecol 36 33-42

[28] Scow KM(1991)Activity, diversity and population size of ammonia-oxidising bacteria in oil-contaminated landfarming soil Nature 350 330-332

[29] Chen Z(1997)Abundance and community structure of ammonia-oxidizing bacteria and archaea in a temperate forest ecosystem under ten-years elevated CO Biol Fertil Soils 24 211-220

[30] Luo X(1994)Nitrification in three Alberta soils: effect of temperature, moisture and substrate concentration Soil Biol Biochem 26 279-286