Search Results - "Pelster, David"

Estimating global terrestrial denitrification from measured N2O:(N2O + N2) product ratios by Scheer, Clemens, Fuchs, Kathrin, Pelster, David E, Butterbach-Bahl, Klaus

“…•Humans have increased the amount of reactive N (Nr) applied to land by 160%.•Removal of Nr by global terrestrial denitrification was estimated by two methods:…”
Get full text

Land use affects total dissolved nitrogen and nitrate concentrations in tropical montane streams in Kenya by Jacobs, Suzanne R., Breuer, Lutz, Butterbach-Bahl, Klaus, Pelster, David E., Rufino, Mariana C.

“…African tropical montane forests are facing fast and dynamic changes in land use. However, the impacts of these changes on stream water quality are…”
Get full text

Ammonia Volatilization and Nitrogen Retention: How Deep to Incorporate Urea? by Rochette, Philippe, Angers, Denis A., Chantigny, Martin H., Gasser, Marc‐Olivier, MacDonald, J. Douglas, Pelster, David E., Bertrand, Normand

“…Incorporation of urea decreases ammonia (NH3) volatilization, but field measurements are needed to better quantify the impact of placement depth. In this…”
Get full text

Soil N intensity as a measure to estimate annual N2O and NO fluxes from natural and managed ecosystems by Yao, Zhisheng, Pelster, David E, Liu, Chunyan, Zheng, Xunhua, Butterbach-Bahl, Klaus

“…As natural and managed terrestrial ecosystems are major sources of the potent greenhouse gas nitrous oxide (N2O) and of the atmospheric pollutant nitric oxide…”
Get full text

The effects of climate on decomposition of cattle, sheep and goat manure in Kenyan tropical pastures by Zhu, Yuhao, Merbold, Lutz, Leitner, Sonja, Pelster, David E., Okoma, Sheila Abwanda, Ngetich, Felix, Onyango, Alice Anyango, Pellikka, Petri, Butterbach-Bahl, Klaus

“…Aims Decomposition of manure deposited onto pasture from grazing animals represents an important process for carbon (C) and nitrogen (N) cycles in grassland…”
Get full text

Closing maize yield gaps in sub-Saharan Africa will boost soil N2O emissions by Leitner, Sonja, Pelster, David E, Werner, Christian, Merbold, Lutz, Baggs, Elizabeth M, Mapanda, Farai, Butterbach-Bahl, Klaus

“…•Maize yields in sub-Sahara Africa are low due to low fertilizer input.•This creates a yield gap (difference between potential and actual maize yield).•Closing…”
Get full text

Nitrous Oxide Emissions Respond Differently to Mineral and Organic Nitrogen Sources in Contrasting Soil Types by Pelster, David E., Chantigny, Martin H., Rochette, Philippe, Angers, Denis A., Rieux, Christine, Vanasse, Anne

“…The use of various animal manures for nitrogen (N) fertilization is often viewed as a viable replacement for mineral N fertilizers. However, the impacts of…”
Get full text

Tillage effects on growing season nitrous oxide emissions in Canadian cropland soils by Pelster, David E., Matteau, Jean-Pascal, Farrell, Richard, Hernandez Ramirez, Guillermo

“…Minimizing tillage has been promoted as an agricultural practice that may mitigate greenhouse gas emissions through carbon sequestration. However, there is…”
Get full text

Interactive effects of dung deposited onto urine patches on greenhouse gas fluxes from tropical pastures in Kenya by Zhu, Yuhao, Merbold, Lutz, Leitner, Sonja, Wolf, Benjamin, Pelster, David, Goopy, John, Butterbach-Bahl, Klaus

“…Dung and urine patches on grasslands are hotspots of greenhouse gas (GHG) emissions in temperate regions, while its importance remains controversial for…”
Get full text

Effect of feeding practices and manure quality on CH4 and N2O emissions from uncovered cattle manure heaps in Kenya by Leitner, Sonja, Ring, Dónal, Wanyama, George N., Korir, Daniel, Pelster, David E., Goopy, John P., Butterbach-Bahl, Klaus, Merbold, Lutz

“…•CH4 and N2O emissions from cattle manure heaps in Kenya were measured.•Cattle had either restricted feed intake or received poor-quality forage grass.•Low…”
Get full text

Soil N2O emission from organic and conventional cotton farming in Northern Tanzania by Bwana, Thomas N., Amuri, Nyambilila A., Semu, Ernest, Elsgaard, Lars, Butterbach-Bahl, Klaus, Pelster, David E., Olesen, Jørgen Eivind

“…The effort to increase the sustainable supply of food and fibre is challenged by the potential for increased greenhouse gas (GHG) emissions from farming…”
Get full text

Editorial Overview: Climate change, reactive nitrogen, food security and sustainable agriculture - the case of N2O by Scheer, Clemens, Pelster, David E, Butterbach-Bahl, Klaus

Get full text

Greenhouse gas emissions from natural ecosystems and agricultural lands in sub-Saharan Africa: synthesis of available data and suggestions for further research by Kim, Dong-Gill, Thomas, Andrew D, Pelster, David, Rosenstock, Todd S, Sanz-Cobena, Alberto

“…This paper summarizes currently available data on greenhouse gas (GHG) emissions from African natural ecosystems and agricultural lands. The available data are…”
Get full text

Ratio of non-growing season to growing season N2O emissions in Canadian croplands: an update to national inventory methodology by Pelster, David E., Thiagarajan, Arumugam, Liang, Chang, Chantigny, Martin H., Wagner-Riddle, Claudia, Congreves, Kate, Lemke, Reynald, Glenn, Aaron, Tenuta, Mario, Hernandez-Ramirez, Guillermo, Bittman, Shabtai, Hunt, Derek, Owens, Jennifer, MacDonald, Douglas

“…National inventory reporting of agricultural nitrous oxide (N2O) emissions in Canada is based primarily on measurements obtained using static chambers. In…”
Get full text

Regional nitrogen budget of the Lake Victoria Basin, East Africa: syntheses, uncertainties and perspectives by Zhou, Minghua, Brandt, Patric, Pelster, David, Rufino, Mariana C, Robinson, Timothy, Butterbach-Bahl, Klaus

“…Using the net anthropogenic nitrogen input (NANI) approach we estimated the N budget for the Lake Victoria Basin in East Africa. The NANI of the basin ranged…”
Get full text

Smallholder farms in eastern African tropical highlands have low soil greenhouse gas fluxes by Pelster, David, Rufino, Mariana, Rosenstock, Todd, Mango, Joash, Saiz, Gustavo, Diaz-Pines, Eugenio, Baldi, German, Butterbach-Bahl, Klaus

“…Few field studies examine greenhouse gas (GHG) emissions from African agricultural systems, resulting in high uncertainty for national inventories. This lack…”
Get full text

Why future nitrogen research needs the social sciences by Kanter, David R, Del Grosso, Stephen, Scheer, Clemens, Pelster, David E, Galloway, James N

“…•Nitrogen pollution is an increasingly visible policy issue.•Natural sciences dominate its study, with limited utility for policymaking.•Social sciences use…”
Get full text

Rates and intensity of freeze–thaw cycles affect nitrous oxide and carbon dioxide emissions from agricultural soils by Pelster, David E, Chantigny, Martin H, Rochette, Philippe, Bertrand, Normand, Angers, Denis A, Zebarth, Bernie J, Goyer, Claudia

“…In cool temperate regions, large emissions of nitrous oxide (N2O), an important greenhouse and ozone-depleting gas, have been observed during freeze–thaw (FT)…”
Get full text

Nitrogen fertilization but not soil tillage affects nitrous oxide emissions from a clay loam soil under a maize–soybean rotation by Pelster, David E., Larouche, Francis, Rochette, Phillipe, Chantigny, Martin H., Allaire, Suzanne, Angers, Denis A.

“…• At a long-term study site, N 2O emissions were similar in ploughed and no-tillage soils. • N 2O emissions increased linearly with fertilizer N rate up to 160…”
Get full text

Greenhouse Gas Emissions Response to Fertilizer Application and Soil Moisture in Dry Agricultural Uplands of Central Kenya by Mosongo, Peter Semba, Pelster, David E., Li, Xiaoxin, Gaudel, Gokul, Wang, Yuying, Chen, Suying, Li, Wenyan, Mburu, David, Hu, Chunsheng

“…In sub-Saharan Africa, agriculture can account for up to 66% of anthropogenic greenhouse gas (GHG) emissions. Unfortunately, due to the low number of studies…”
Get full text