- Mixed-grass prairie canopy structure and spectral reflectance vary with topographic positionRebecca L Phillips
Agricultural Research Service, United States Department of Agriculture, 1701 10th Avenue nw, Mandan, ND 58554, USA
Environ Manage 50:914-28. 2012....
- Fertilizer application timing influences greenhouse gas fluxes over a growing seasonRebecca L Phillips
USDA ARS, Northern Great Plains Research Lab, 1701 10th Ave SW, Mandan, ND 58554, USA
J Environ Qual 38:1569-79. 2009..04 +/- 0.13 kg CO(2) equivalents m(-2) for late spring. Nitrous oxide fluxes, however, were similar for both treatments. Results indicate fertilizer application timing influences net GHG emissions in dryland cropping systems...
- Organic agriculture and nitrous oxide emissions at sub-zero soil temperaturesRebecca L Phillips
USDA ARS, Northern Great Plains Research Lab, Box 459, Mandan, ND 58554, USA
J Environ Qual 36:23-30. 2007..Biological N2O production was evident at sub-zero soil temperatures, with winter emissions exceeding those measured in late summer. Late autumn manure application enhanced cumulative N2O-N emissions by 0.9 kg ha-1...