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5-Crop-production-and-agricultural-soils/5.2-Air-pollutants-and-dust/5.2.3-NMVOC-emissions-from-crop-production-and-agricultural-soils.md
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<span dir="">As of Submission 2015, the German inventory calculates and reports NMVOC emissions from cultivated crops. The methodological approach of </span>[<span dir="">EMEP (2019)</span>](https://git-dmz.thuenen.de/vos/EmissionsAgriculture2023/-/wikis/9%20Literature#emep-2019)<span dir=""> for calculating NMVOC emissions is basically the same as in </span>[<span dir="">EMEP (2013)</span>](https://git-dmz.thuenen.de/vos/EmissionsAgriculture2023/-/wikis/9%20Literature#emep-2013)<span dir="">. For the inventory, therefore, the Tier 2 metho­dology described in </span>[<span dir="">EMEP (2013)</span>](https://git-dmz.thuenen.de/vos/EmissionsAgriculture2023/-/wikis/9%20Literature#emep-2013)<span dir="">-3D-32 ff is main­tained:</span>
<span dir="">As of Submission 2015, the German inventory calculates and reports NMVOC emissions from cultivated crops. The methodological approach of </span>[<span dir="">EMEP (2019)</span>](9%20Literature#emep-2019)<span dir=""> for calculating NMVOC emissions is basically the same as in </span>[<span dir="">EMEP (2013)</span>](9%20Literature#emep-2013)<span dir="">. For the inventory, therefore, the Tier 2 metho­dology described in </span>[<span dir="">EMEP (2013)</span>](9%20Literature#emep-2013)<span dir="">-3D-32 ff is main­tained:</span>
![grafik](uploads/c87f279206890bb6d1b0f8a86860bdb0/grafik.png)
<span dir="">For the data on areas of cultivation, fresh matter yields, dry matter yields and fractions of emission times see Table 11 in Chapter </span>[<span dir="">2.8</span>](https://git-dmz.thuenen.de/vos/EmissionsAgriculture2023/-/wikis/2%20Input%20data/2.8%20Activity%20data%20for%20calculation%20of%20emissions%20from%20agricultural%20soils#areas-and-yields-for-nmvoc-calculation)<span dir="">.</span>
<span dir="">For the data on areas of cultivation, fresh matter yields, dry matter yields and fractions of emission times see Table 11 in Chapter </span>[<span dir="">2.8</span>](2%20Input%20data/2.8%20Activity%20data%20for%20calculation%20of%20emissions%20from%20agricultural%20soils#areas-and-yields-for-nmvoc-calculation)<span dir="">.</span>
<span dir="">The emission factors for wheat, rye, rape and grass were taken from </span>[<span dir="">EMEP (2013)</span>](https://git-dmz.thuenen.de/vos/EmissionsAgriculture2023/-/wikis/9%20Literature#emep-2013)<span dir="">-3D-34, Table A3-2. This table is identical to </span>[<span dir="">EMEP (2019)</span>](https://git-dmz.thuenen.de/vos/EmissionsAgriculture2023/-/wikis/9%20Literature#emep-2019)<span dir="">-3D-16, Table 3.3. Table 1 shows these emission factors.</span>
<span dir="">The emission factors for wheat, rye, rape and grass were taken from </span>[<span dir="">EMEP (2013)</span>](9%20Literature#emep-2013)<span dir="">-3D-34, Table A3-2. This table is identical to </span>[<span dir="">EMEP (2019)</span>](9%20Literature#emep-2019)<span dir="">-3D-16, Table 3.3. Table 1 shows these emission factors.</span>
<span dir="">For the crop categories 'clover, gras mixtures, alfalfa' and 'pastures and meadows' the inventory adopts the EMEP emission factor of grass, while for the other crops the EMEP emission factor of wheat is used in the inventory.</span>
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