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@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix gcis: <http://data.globalchange.gov/gcis.owl#> .
@prefix cito: <http://purl.org/spar/cito/> .
@prefix biro: <http://purl.org/spar/biro/> .

<https://data.globalchange.gov/report/second-state-carbon-cycle-report-soccr2-sustained-assessment-report/chapter/agriculture/finding/key-message-5-4>
   dcterms:identifier "key-message-5-4";
   gcis:findingNumber "5.4"^^xsd:string;
   gcis:findingStatement "North America’s growing population can achieve benefits such as reduced GHG emissions, lowered net global warming potential, increased water and air quality, reduced CH<sub>4</sub> flux in flooded or relatively anoxic systems, and increased food availability by optimizing nitrogen fertilizer management to sustain crop yields and reduce nitrogen losses to air and water (<em>high confidence, likely</em>)."^^xsd:string;
   gcis:isFindingOf <https://data.globalchange.gov/report/second-state-carbon-cycle-report-soccr2-sustained-assessment-report/chapter/agriculture>;
   gcis:isFindingOf <https://data.globalchange.gov/report/second-state-carbon-cycle-report-soccr2-sustained-assessment-report>;

## Properties of the finding:
   
   gcis:descriptionOfEvidenceBase "Agricultural soil management (i.e., synthetic nitrogen fertilizer) is a major source of GHG fluxes in North America (FAOSTAT 2017). Matching nitrogen fertilizer needs to crop needs reduces the risk of loss to air and water (Robertson and Grace 2004; Wang et al., 2011). Nitrogen fertilizer additions generally lead to increased CH<sub>4</sub> emissions and decreased CH<sub>4</sub> oxidation from soils, particularly under anoxic conditions or flooded soil systems such as rice (Liu and Greaver 2009)."^^xsd:string;
   
   gcis:assessmentOfConfidenceBasedOnEvidence "There is high confidence that matching crop needs to nitrogen fertilizer applications can reduce fertilizer-induced GHG emissions."^^xsd:string;
   
   gcis:newInformationAndRemainingUncertainties "Large uncertainties in GHG emissions from agricultural systems exist due to high spatial and temporal variability, measurement methods, cropping systems, management practices, and variations in soil and climatic conditions among regions (Parkin and Venterea 2010)."^^xsd:string;

   a gcis:Finding .

## This finding cites the following entities:



<https://data.globalchange.gov/report/second-state-carbon-cycle-report-soccr2-sustained-assessment-report/chapter/agriculture/finding/key-message-5-4>
   prov:wasDerivedFrom <https://data.globalchange.gov/report/second-state-carbon-cycle-report-soccr2-sustained-assessment-report/chapter/preface/figure/figurep-4>.