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picture1_Soil Management Ppt 76581 | Egu21 2389 Presentation


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File: Soil Management Ppt 76581 | Egu21 2389 Presentation
t daily meteo data soil crop management t min and max sand silt clay type organic and mineral n fertilization air organic carbon gross co absorption type timing amount nh ...

icon picture PPTX Filetype Power Point PPTX | Posted on 02 Sep 2022 | 3 years ago
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                                      T    Daily Meteo data:            Soil:                                 Crop:                               Management:
                                           T  (min and max)             Sand, Silt, Clay %                    Type,                               Organic and Mineral N fertilization:
                                             air
                                                                        Organic carbon                        Gross CO  Absorption                type, timing, amount, NH -N/total N, 
                                      U    Solar Radiation                                                              2                                                   4
                                           Rainfall                     Bulk Density                          Growing Degree Days***              mineralization rate, C/N ratio, NO -N and NH -N 
                                                                                                                                                                                    3           4
                                      P    Wind speed*                  Initialization of C-pools             Crop coefficient (Kc)***            fractions
                                      N    Relative Humidity (min       Water retention and                   Partitioning***                     Irrigation: Amount and timing (fixed dates or as 
                                      I    and max)*                    conductivity curve parameters**       C and N fraction in residues        function of depletion)
                                                                                                              Decomposition rate of               Tillage: timing, index of soil perturbation and 
                                                                                                              residues                            layer mixing
                                                                                        INPUT
                                                                                EVAPOTRANSPIRA
                                                                                       TION
                                                                                      MODULE                                 Daily calculation of 
                                                                                                                             the Bulk Density
                                                                                   CROP MODULE
                                                              e
                                                              t
                                                              a
                                                              d
                                                              p
                                                              u
                                                                                                                    Daily calculation of the retention and 
                                                              y               WATER BALANCE MODULE
                                                              l
                                                              i                                                     conductivity curve
                                                              a
                                                              D
                                                                                    C, N MODULE
                                                                                    DAILY OUPUT
                                       T           Water:                                     Crop:                                   Soil:
                                                   Soil water content                         Stem biomass                            Mineral Pools: NH -N, NO -N
                                                                                                                                                          4       3
                                       U           Drainage water                             Storage biomass                         Organic Pools: N-stable fraction, N-litter, 
                                       P           Reference Evapotranspiration               Root biomass                            N-manure, C-stable fraction, C-litter, C-
                                                   (ET0)                                      Leaves biomass (green and               manure
                                       T           Crop Evapotranspiration  (ETc)             dead)                                   N crop uptake
                                                   Actual Evapotranspiration (ETa)            Leaf Area Index
                                       U                                                      Harvest Index                           NO3-N leaching
                                       O                                                      Development stage                       N2O-N emissions from denitrification
                                                                                              Water stress coefficient                NH-N emissions from volatilization
                                                                                                                                          4
                                                                                              Nitrogen stress coefficient             CO emissions from organic pools 
              Valkama et al, Geoderma (2020)                                                                                              2
              https://doi.org/10.1016/j.geoderma.2020.114298                                                                          decomposition
       Simulated conventional and organic crop 
       rotations in plant and animal production 
       farms
                                                                                                               09/02/2    3
                                                                                                               022
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...T daily meteo data soil crop management min and max sand silt clay type organic mineral n fertilization air carbon gross co absorption timing amount nh total u solar radiation rainfall bulk density growing degree days mineralization rate c ratio no p wind speed initialization of pools coefficient kc fractions relative humidity water retention partitioning irrigation fixed dates or as i conductivity curve parameters fraction in residues function depletion decomposition tillage index perturbation layer mixing input evapotranspira tion module calculation the e a d y balance l ouput content stem biomass drainage storage stable litter reference evapotranspiration root manure et leaves green etc dead uptake actual eta leaf area harvest leaching o development stage emissions from denitrification stress volatilization nitrogen valkama al geoderma https doi org j simulated conventional rotations plant animal production farms...

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