Land-Use, Land-Use Change and Forestry - the IEA Bioenergy Task ...
Land-Use, Land-Use Change and Forestry - the IEA Bioenergy Task ...
Land-Use, Land-Use Change and Forestry - the IEA Bioenergy Task ...
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12 <strong>IEA</strong> <strong>Bioenergy</strong> <strong>Task</strong> 25 Workshop, Joensuu, Finl<strong>and</strong>: LULUCF: The Road to COP6O<strong>the</strong>r Environmental Impacts of Agricultural ManagementPositiveNegativeCrop <strong>and</strong>residue yieldincreasethrough fertilizerinputs• Nitrous oxide emissions fromnitrogen fertilizers (Mosier etal., 1995)• Fossil fuel energy inputs toproduce nitrogen fertilizer• Reduced soil uptake ofmethane after nitrogenfertilizer use (Stendler, 1989;Bronson <strong>and</strong> Mosier, 1993cited in Paustian 1995)• Methane emissions related toorganic fertilizer applicationSoil conservationpractices• water pollutionCover Crops• Nitrogen-fixing cropsespecially reducerequirements for fertilizerNo-till• Some species can reducerequirements for pesticides(Pan, 1999)• Reduce emissions ofparticulates by reducingwind erosion• Reduces soil erosion• Reduces fertilizerconsumption• Reduces fossil fuelemissions from tractors• May reduce nitrous oxideemissions (Li, et al., 1996)• May reduce <strong>the</strong> rate ofmethane consumption (Coleet al., 1993)• Increased herbicide use• May increase nitrous oxideemissions (Cole et al., 1993)
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