Items where Author is "Porter, John R."
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Up a levelagricultural productivity
Porter, John R. and Wollenweber, Bernd (2010) The Rubisco enzyme and agricultural productivity. Nature, 463 (7283). p. 876. ISSN 0028-0836 (Print), 1476-4687 (Online) (doi:10.1038/463876b)
Bayesian approach
Martín, Manuel Montesino-San, Olesen, Jørgen E. and Porter, John R. (2015) Can crop-climate models be accurate and precise? A case study for wheat production in Denmark. Agricultural and Forest Meteorology, 202. pp. 51-60. ISSN 0168-1923 (doi:10.1016/j.agrformet.2014.11.003)
biofuels
Porter, John R., Chirinda, Ngonidzashe, Felby, Claus and Olesen, Jørgen E. (2008) Biofuels: Putting current practices in perspective. Science, 320 (5882). p. 1421. ISSN 0036-8075 (Print), 1095-9203 (Online) (doi:10.1126/science.320.5882.1421)
carbon sequestration
Chirinda, Ngonidzashe, Olesen, Jørgen E. and Porter, John R. (2012) Root carbon input in organic and inorganic fertilizer-based systems. Plant and Soil, 359 (1-2). pp. 321-333. ISSN 0032-079X (Print), 1573-5036 (Online) (doi:10.1007/s11104-012-1208-5)
catch crop
Chirinda, Ngonidzashe, Olesen, Jørgen E. and Porter, John R. (2012) Root carbon input in organic and inorganic fertilizer-based systems. Plant and Soil, 359 (1-2). pp. 321-333. ISSN 0032-079X (Print), 1573-5036 (Online) (doi:10.1007/s11104-012-1208-5)
Chirinda, Ngonidzashe, Olesen, Jørgen E., Porter, John R. and Schjønning, Per (2010) Soil properties, crop production and greenhouse gas emissions from organic and inorganic fertilizer-based arable cropping systems. Agriculture, Ecosystems & Environment, 139 (4). pp. 584-594. ISSN 0167-8809 (doi:10.1016/j.agee.2010.10.001)
Chirinda, Ngonidzashe, Carter, Mette S., Albert, Kristian R., Ambus, Per, Olesen, Jørgen E., Porter, John R. and Petersen, Søren O. (2009) Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types. Agriculture, Ecosystems & Environment, 136 (3-4). pp. 199-208. ISSN 0167-8809 (doi:10.1016/j.agee.2009.11.012)
climate change
Martín, Manuel Montesino-San, Olesen, Jørgen E. and Porter, John R. (2015) Can crop-climate models be accurate and precise? A case study for wheat production in Denmark. Agricultural and Forest Meteorology, 202. pp. 51-60. ISSN 0168-1923 (doi:10.1016/j.agrformet.2014.11.003)
crop models
Porter, John R. and Christensen, Svend (2013) Deconstructing crop processes and models via identities. Plant, Cell & Environment, 36 (11). pp. 1919-1925. ISSN 0140-7791 (Print), 1365-3040 (Online) (doi:10.1111/pce.12107)
crop production
Bennetzen, Eskild H., Smith, Pete, Soussana, Jean-Francois and Porter, John R. (2012) Identity-based estimation of greenhouse gas emissions from crop production: case study from Denmark. European Journal of Agronomy, 41. pp. 66-72. ISSN 1161-0301 (doi:10.1016/j.eja.2012.03.010)
crop rotation
Chirinda, Ngonidzashe, Carter, Mette S., Albert, Kristian R., Ambus, Per, Olesen, Jørgen E., Porter, John R. and Petersen, Søren O. (2009) Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types. Agriculture, Ecosystems & Environment, 136 (3-4). pp. 199-208. ISSN 0167-8809 (doi:10.1016/j.agee.2009.11.012)
deconstruction
Porter, John R. and Christensen, Svend (2013) Deconstructing crop processes and models via identities. Plant, Cell & Environment, 36 (11). pp. 1919-1925. ISSN 0140-7791 (Print), 1365-3040 (Online) (doi:10.1111/pce.12107)
denitrifier enzyme activity
Chirinda, Ngonidzashe, Olesen, Jørgen E., Porter, John R. and Schjønning, Per (2010) Soil properties, crop production and greenhouse gas emissions from organic and inorganic fertilizer-based arable cropping systems. Agriculture, Ecosystems & Environment, 139 (4). pp. 584-594. ISSN 0167-8809 (doi:10.1016/j.agee.2010.10.001)
Denmark
Martín, Manuel Montesino-San, Olesen, Jørgen E. and Porter, John R. (2015) Can crop-climate models be accurate and precise? A case study for wheat production in Denmark. Agricultural and Forest Meteorology, 202. pp. 51-60. ISSN 0168-1923 (doi:10.1016/j.agrformet.2014.11.003)
energy intensity
Bennetzen, Eskild H., Smith, Pete, Soussana, Jean-Francois and Porter, John R. (2012) Identity-based estimation of greenhouse gas emissions from crop production: case study from Denmark. European Journal of Agronomy, 41. pp. 66-72. ISSN 1161-0301 (doi:10.1016/j.eja.2012.03.010)
food security
Porter, John R., Challinor, Andrew, Ewert, Frank, Falloon, Pete, Fischer, Tony, Gregory, Peter, Van Ittersum, Martin K., Olesen, Jørgen E., Moore, Kenneth J., Rosenzweig, Cynthia and Smith, Pete (2010) Food security: focus on agriculture. Science, 328 (5975). pp. 172-173. ISSN 0036-8075 (Print), 1095-9203 (Online) (doi:10.1126/science.328.5975.172)
gas diffusivity
Chirinda, Ngonidzashe, Olesen, Jørgen E., Porter, John R. and Schjønning, Per (2010) Soil properties, crop production and greenhouse gas emissions from organic and inorganic fertilizer-based arable cropping systems. Agriculture, Ecosystems & Environment, 139 (4). pp. 584-594. ISSN 0167-8809 (doi:10.1016/j.agee.2010.10.001)
greenhouse gas
Chirinda, Ngonidzashe, Carter, Mette S., Albert, Kristian R., Ambus, Per, Olesen, Jørgen E., Porter, John R. and Petersen, Søren O. (2009) Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types. Agriculture, Ecosystems & Environment, 136 (3-4). pp. 199-208. ISSN 0167-8809 (doi:10.1016/j.agee.2009.11.012)
greenhouse gas emission
Bennetzen, Eskild H., Smith, Pete, Soussana, Jean-Francois and Porter, John R. (2012) Identity-based estimation of greenhouse gas emissions from crop production: case study from Denmark. European Journal of Agronomy, 41. pp. 66-72. ISSN 1161-0301 (doi:10.1016/j.eja.2012.03.010)
inorganic fertilizer
Chirinda, Ngonidzashe, Olesen, Jørgen E., Porter, John R. and Schjønning, Per (2010) Soil properties, crop production and greenhouse gas emissions from organic and inorganic fertilizer-based arable cropping systems. Agriculture, Ecosystems & Environment, 139 (4). pp. 584-594. ISSN 0167-8809 (doi:10.1016/j.agee.2010.10.001)
Kaya identity
Bennetzen, Eskild H., Smith, Pete, Soussana, Jean-Francois and Porter, John R. (2012) Identity-based estimation of greenhouse gas emissions from crop production: case study from Denmark. European Journal of Agronomy, 41. pp. 66-72. ISSN 1161-0301 (doi:10.1016/j.eja.2012.03.010)
Kaya-Porter identity
Porter, John R. and Christensen, Svend (2013) Deconstructing crop processes and models via identities. Plant, Cell & Environment, 36 (11). pp. 1919-1925. ISSN 0140-7791 (Print), 1365-3040 (Online) (doi:10.1111/pce.12107)
Bennetzen, Eskild H., Smith, Pete, Soussana, Jean-Francois and Porter, John R. (2012) Identity-based estimation of greenhouse gas emissions from crop production: case study from Denmark. European Journal of Agronomy, 41. pp. 66-72. ISSN 1161-0301 (doi:10.1016/j.eja.2012.03.010)
microbial biomass
Chirinda, Ngonidzashe, Olesen, Jørgen E., Porter, John R. and Schjønning, Per (2010) Soil properties, crop production and greenhouse gas emissions from organic and inorganic fertilizer-based arable cropping systems. Agriculture, Ecosystems & Environment, 139 (4). pp. 584-594. ISSN 0167-8809 (doi:10.1016/j.agee.2010.10.001)
mineral fertilizer
Chirinda, Ngonidzashe, Carter, Mette S., Albert, Kristian R., Ambus, Per, Olesen, Jørgen E., Porter, John R. and Petersen, Søren O. (2009) Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types. Agriculture, Ecosystems & Environment, 136 (3-4). pp. 199-208. ISSN 0167-8809 (doi:10.1016/j.agee.2009.11.012)
mitigation
Bennetzen, Eskild H., Smith, Pete, Soussana, Jean-Francois and Porter, John R. (2012) Identity-based estimation of greenhouse gas emissions from crop production: case study from Denmark. European Journal of Agronomy, 41. pp. 66-72. ISSN 1161-0301 (doi:10.1016/j.eja.2012.03.010)
model intercomparison
Martín, Manuel Montesino-San, Olesen, Jørgen E. and Porter, John R. (2015) Can crop-climate models be accurate and precise? A case study for wheat production in Denmark. Agricultural and Forest Meteorology, 202. pp. 51-60. ISSN 0168-1923 (doi:10.1016/j.agrformet.2014.11.003)
N2-fixation
Chirinda, Ngonidzashe, Carter, Mette S., Albert, Kristian R., Ambus, Per, Olesen, Jørgen E., Porter, John R. and Petersen, Søren O. (2009) Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types. Agriculture, Ecosystems & Environment, 136 (3-4). pp. 199-208. ISSN 0167-8809 (doi:10.1016/j.agee.2009.11.012)
pig slurry
Chirinda, Ngonidzashe, Carter, Mette S., Albert, Kristian R., Ambus, Per, Olesen, Jørgen E., Porter, John R. and Petersen, Søren O. (2009) Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types. Agriculture, Ecosystems & Environment, 136 (3-4). pp. 199-208. ISSN 0167-8809 (doi:10.1016/j.agee.2009.11.012)
potential ammonium oxidation
Chirinda, Ngonidzashe, Olesen, Jørgen E., Porter, John R. and Schjønning, Per (2010) Soil properties, crop production and greenhouse gas emissions from organic and inorganic fertilizer-based arable cropping systems. Agriculture, Ecosystems & Environment, 139 (4). pp. 584-594. ISSN 0167-8809 (doi:10.1016/j.agee.2010.10.001)
potentially mineralizable nitrogen
Chirinda, Ngonidzashe, Olesen, Jørgen E., Porter, John R. and Schjønning, Per (2010) Soil properties, crop production and greenhouse gas emissions from organic and inorganic fertilizer-based arable cropping systems. Agriculture, Ecosystems & Environment, 139 (4). pp. 584-594. ISSN 0167-8809 (doi:10.1016/j.agee.2010.10.001)
resource use efficiency
Porter, John R. and Christensen, Svend (2013) Deconstructing crop processes and models via identities. Plant, Cell & Environment, 36 (11). pp. 1919-1925. ISSN 0140-7791 (Print), 1365-3040 (Online) (doi:10.1111/pce.12107)
root dry matter biomass
Chirinda, Ngonidzashe, Olesen, Jørgen E. and Porter, John R. (2012) Root carbon input in organic and inorganic fertilizer-based systems. Plant and Soil, 359 (1-2). pp. 321-333. ISSN 0032-079X (Print), 1573-5036 (Online) (doi:10.1007/s11104-012-1208-5)
Rubisco enzyme
Porter, John R. and Wollenweber, Bernd (2010) The Rubisco enzyme and agricultural productivity. Nature, 463 (7283). p. 876. ISSN 0028-0836 (Print), 1476-4687 (Online) (doi:10.1038/463876b)
shoot dry matter biomass
Chirinda, Ngonidzashe, Olesen, Jørgen E. and Porter, John R. (2012) Root carbon input in organic and inorganic fertilizer-based systems. Plant and Soil, 359 (1-2). pp. 321-333. ISSN 0032-079X (Print), 1573-5036 (Online) (doi:10.1007/s11104-012-1208-5)
uncertainty
Martín, Manuel Montesino-San, Olesen, Jørgen E. and Porter, John R. (2015) Can crop-climate models be accurate and precise? A case study for wheat production in Denmark. Agricultural and Forest Meteorology, 202. pp. 51-60. ISSN 0168-1923 (doi:10.1016/j.agrformet.2014.11.003)
wheat
Martín, Manuel Montesino-San, Olesen, Jørgen E. and Porter, John R. (2015) Can crop-climate models be accurate and precise? A case study for wheat production in Denmark. Agricultural and Forest Meteorology, 202. pp. 51-60. ISSN 0168-1923 (doi:10.1016/j.agrformet.2014.11.003)
winter wheat
Chirinda, Ngonidzashe, Carter, Mette S., Albert, Kristian R., Ambus, Per, Olesen, Jørgen E., Porter, John R. and Petersen, Søren O. (2009) Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types. Agriculture, Ecosystems & Environment, 136 (3-4). pp. 199-208. ISSN 0167-8809 (doi:10.1016/j.agee.2009.11.012)