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sector:agriculture:manure_management:start [2022/12/14 15:25] – [Table] doeringsector:agriculture:manure_management:start [2022/12/14 15:41] – [Table] doering
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 == Trend discussion for Key Sources == == Trend discussion for Key Sources ==
-Dairy cattle, other cattle and swine are key sources of NH<sub>3</sub> emissions from manure management. The time series of the total NH<sub>3</sub> emissions from all three categories are predominantly driven by the development of the animal numbers, see Table 1. However, the effect of decreasing animal numbers is partly compensated by the continuously increasing animal performance. This leads to increasing N excretions per animal, see Table 2, which, in principle, is reflected by increasing implied emission factors, see Table 3. For swine, as of 2012, the IEF is almost constant over time due to the use of air scrubbing systems that, to a high degree, remove NH<sub>3</sub> from the housings.+Dairy cattle, other cattle and swine are key sources of NH<sub>3</sub> emissions from manure management. The time series of the total NH<sub>3</sub> emissions from all three categories are predominantly driven by the development of the animal numbers, see Table 1. However, the effect of decreasing animal numbers is partly compensated by the continuously increasing animal performance. This leads to increasing N excretions per animal, see Table 2, which, in principle, is reflected by increasing implied emission factors, see Table 3. Increasing dairy cattle emissions since 2010 are also due to a sharp decline of tied housing systems, which have a lower NH<sub>3</sub> emission factor than loose housing systems. For swine the IEF is decreasing over time due to lower raw protein contents in feed and the use of air scrubbing systems that, to a high degree, remove NH<sub>3</sub> from the housings.  
 + 
  
 For NO<sub>x</sub> there are no key categories. For NO<sub>x</sub> there are no key categories.
  
 == Recalculations == == Recalculations ==
-All time series of the emission inventory have completely been recalculated since 1990. Tables REC-1 and REC-2 compare the recalculated time series for NH<sub>3</sub> and NO<sub>x</sub> from 3B with the respective data of last year’s submission.  +All time series of the emission inventory have completely been recalculated since 1990. Tables REC-1 and REC-2 compare the recalculated time series for NH<sub>3</sub> and NO<sub>x</sub> from 3B with the respective data of last year’s submission.The total emissions of NH<sub>3</sub> are considerably lower than those of submission 2022. The main reason for this is recalculation No. 2 (deep bedding), which lowers especially the manure management emissions of other cattle (correspondingly this increases the emissions from manure spreading (3.D.a.2.a), albeit to a lesser extent). 
-The total emissions of NH<sub>3</sub>  slightly higher than those of submission 2021. The emissions from cattle are higher than in last year’s submission mainly due to the incorporation of new housing data from the 2020 agricultural census. The extent of cattle housing in tied systems, which has a lower NH<sub>3</sub> emission factor than loose housing, has decreased in the last years. The NH<sub>3</sub> emissions from swine and poultry are lower than in the 2021 submission due to the use of new data on raw protein content in fattening pig and broiler feed. See main page of the agricultural sector  + 
-([[sector:agriculture:start|Chapter 5 - NFR 3 - Agriculture (OVERVIEW)]]), list of **recalculation reasons, No. 1, 7, and 8**. + 
 +The NH<sub>3</sub> and NO<sub>x</sub> emissions from swine and poultry are lower than in the 2022 submission mainly due to the use of new data on raw protein content in fattening pig feed from the survey "Protein use in pig fattening" (recalculation No. 8). The main reason for lower poultry emissions are the changes made for the laying hens category concerning grazing and emission factors (recalculation No. 10). See main page of the agricultural sector  
 +([[sector:agriculture:start|Chapter 5 - NFR 3 - Agriculture (OVERVIEW)]]), list of **recalculation reasons, No. 2, 8, 10**.  
  
-The overall NH<sub>3</sub> emissions of other animals increased for the years 2017-2019 due to newly available figures on animal numbers of sheep and horses, see recalculations reasons No. 1 ([[sector:agriculture:start|Chapter 5 - NFR 3 - Agriculture (OVERVIEW)]]), list of **recalculation reasons, No. 1**. Further details on recalculations are described in Vos et al. (2022), Chapter 3.5.2. +Further details on recalculations are described in Rösemann et al. (2023), Chapter 1.3. 
  
-//Tables REC-1 and REC-2: Comparison of the NH<sub>3</sub> and NO<sub>x</sub> emissions of the submissions (SUB) 2021 and 2022//+//Tables REC-1 and REC-2: Comparison of the NH<sub>3</sub> and NO<sub>x</sub> emissions of the submissions (SUB) 2022 and 2023//
  
-^  NH₃ emissions from manure management, in Gg                                                                                                                                                 ||||||||||||||||| +^  NH₃ emissions from manure management, in Gg  |        |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         | 
-|                                               ^  SUB   ^  1990   ^  1995   ^  2000   ^  2005   ^  2010   ^  2011   ^  2012   ^  2013   ^  2014   ^  2015   ^  2016   ^  2017   ^  2018   ^  2019   ^  2020   ^ +|                                               ^  SUB   ^  1990   ^  1995   ^  2000   ^  2005   ^  2010   ^  2011   ^  2012   ^  2013   ^  2014   ^  2015   ^  2016   ^  2017   ^  2018   ^  2019   ^  2020   ^  2021   ^ 
-^ Total                                         ^  2022  |  307.85 |  257.56 |  256.39 |  256.42 |  251.11 |  252.27 |  257.23 |  259.54 |  262.08 |  261.24 |  259.61 |  259.48 |  254.22 |  251.43 |  249.17 | +^ Total                                         ^  2023  |  296.08 |  244.15 |  242.78 |  243.08 |  238.82 |  238.18 |  241.00 |  240.92 |  240.96 |  237.93 |  234.15 |  232.03 |  225.13 |  220.63 |  216.65 |  208.39 | 
-^                                               ^  2021  |  303.26 |  256.08 |  256.91 |  257.32 |  252.88 |  253.17 |  257.21 |  258.42 |  260.03 |  256.36 |  253.73 |  252.85 |  247.20 |  243.31 |         | +^                                               ^  2022  |  307.85 |  257.56 |  256.39 |  256.42 |  251.11 |  252.27 |  257.23 |  259.54 |  262.08 |  261.24 |  259.61 |  259.48 |  254.22 |  251.43 | 249.17  |         | 
-^ Dairy cattle                                  ^  2022  |   62.19 |   54.13 |   50.82 |   51.39 |   52.87 |   53.48 |   53.79 |   55.15 |   56.27 |   57.48 |   57.79 |   58.21 |   58.22 |   58.88 |   59.09 | +^ Dairy cattle                                  ^  2023  |   62.10 |   53.93 |   50.70 |   51.58 |   53.23 |   53.55 |   53.55 |   54.58 |   55.25 |   56.01 |   55.90 |   55.84 |   55.41 |   55.63 |   54.85 |   53.81 | 
-^                                               ^  2021  |   62.19 |   54.13 |   50.81 |   51.28 |   52.71 |   52.44 |   51.86 |   52.30 |   52.48 |   52.72 |   52.10 |   51.64 |   50.74 |   50.40 |         | +^                                               ^  2022  |   62.19 |   54.13 |   50.82 |   51.39 |   52.87 |   53.48 |   53.79 |   55.15 |   56.27 |   57.48 |   57.79 |   58.21 |   58.22 |   58.88 |   59.09 |         | 
-^ Other cattle                                  ^  2022  |   91.43 |   78.85 |   76.86 |   71.97 |   73.10 |   71.17 |   71.64 |   73.40 |   74.47 |   74.55 |   74.32 |   73.70 |   72.46 |   71.69 |   70.41 | +^ Other cattle                                  ^  2023  |   81.36 |   66.68 |   63.90 |   59.07 |   61.71 |   58.81 |   58.07 |   58.48 |   58.16 |   57.19 |   55.93 |   54.46 |   52.53 |   51.02 |   49.64 |   48.55 | 
-^                                               ^  2021  |   91.39 |   78.88 |   76.79 |   71.73 |   72.48 |   69.75 |   69.39 |   70.26 |   70.48 |   69.85 |   68.90 |   67.62 |   65.85 |   64.47 |         | +^                                               ^  2022  |   91.43 |   78.85 |   76.86 |   71.97 |   73.10 |   71.17 |   71.64 |   73.40 |   74.47 |   74.55 |   74.32 |   73.70 |   72.46 |   71.69 |   70.41 |         | 
-^ Swine                                         ^  2022  |  121.81 |   91.84 |   95.23 |   97.70 |   91.92 |   92.81 |   95.19 |   93.59 |   94.09 |   92.36 |   91.07 |   91.20 |   87.44 |   85.01 |   84.75 | +^ Swine                                         ^  2023  |  120.10 |   90.66 |   94.17 |   96.65 |   90.80 |   91.28 |   93.14 |   90.97 |   90.92 |   88.61 |   86.73 |   86.30 |   82.18 |   79.34 |   78.56 |   72.41 | 
-^                                               ^  2021  |  117.12 |   89.92 |   95.08 |   98.23 |   93.21 |   94.56 |   97.47 |   96.29 |   97.28 |   94.06 |   93.26 |   93.92 |   90.54 |   88.50 |         | +^                                               ^  2022  |  121.81 |   91.84 |   95.23 |   97.70 |   91.92 |   92.81 |   95.19 |   93.59 |   94.09 |   92.36 |   91.07 |   91.20 |   87.44 |   85.01 |   84.75 |         | 
-^ poultry                                       ^  2022  |   22.84 |   21.58 |   24.10 |   25.93 |   24.79 |   26.62 |   28.46 |   29.33 |   29.25 |   28.95 |   28.64 |   28.52 |   28.22 |   27.95 |   27.00 | +^ poultry                                       ^  2023  |   22.94 |   21.72 |   24.64 |   26.35 |   24.64 |   26.36 |   28.10 |   28.83 |   28.63 |   28.23 |   27.79 |   27.58 |   27.13 |   26.73 |   25.68 |   25.64 | 
-^                                               ^  2021  |   22.96 |   21.99 |   24.87 |   26.65 |   26.06 |   28.23 |   30.34 |   31.50 |   31.80 |   31.84 |   31.68 |   31.95 |   32.45 |   32.43 |         | +^                                               ^  2022  |   22.84 |   21.58 |   24.10 |   25.93 |   24.79 |   26.62 |   28.46 |   29.33 |   29.25 |   28.95 |   28.64 |   28.52 |   28.22 |   27.95 |   27.00 |         | 
-^ Other animals                                 ^  2022  |    9.59 |   11.16 |    9.37 |    9.43 |    8.43 |    8.18 |    8.16 |    8.07 |    8.00 |    7.89 |    7.79 |    7.85 |    7.88 |    7.90 |    7.93 | +^ Other animals                                 ^  2023  |    9.59 |   11.16 |    9.37 |    9.43 |    8.43 |    8.18 |    8.16 |    8.07 |    8.00 |    7.89 |    7.79 |    7.85 |    7.88 |    7.90 |    7.93 |    7.98 | 
-^                                               ^  2021  |    9.59 |   11.16 |    9.37 |    9.43 |    8.43 |    8.18 |    8.16 |    8.07 |    8.00 |    7.89 |    7.79 |    7.72 |    7.62 |    7.51 |         |+^                                               ^  2022  |    9.59 |   11.16 |    9.37 |    9.43 |    8.43 |    8.18 |    8.16 |    8.07 |    8.00 |    7.89 |    7.79 |    7.85 |    7.88 |    7.90 |    7.93 |         |
  
 ^  NOₓ emissions from manure management, in Gg                                                                                                                                  ||||||||||||||||| ^  NOₓ emissions from manure management, in Gg                                                                                                                                  |||||||||||||||||