3c4_direct n2o soils

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  • 8/12/2019 3C4_Direct N2O Soils

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    synthetic fertilizersFSN: N in synthetic

    fertilizers

    animal manure,

    compost, sewage

    sludge

    FON: N in animal

    manure, compost,

    sewage sludge, other

    crop residuesFCR: N in crop

    residues

    changes to land use

    or management

    FSOM: N in mineral

    soils that is

    mineralised, in

    association with loss

    of soil C from soil

    organic matter as a

    result of changes to

    land use or

    management

    synthetic fertilizersFSN: N in synthetic

    fertilizers

    animal manure,

    compost, sewage

    sludge

    FON: N in animal

    manure, compost,

    sewage sludge, other

    crop residuesFCR: N in crop

    residues

    changes to land useor management

    FSOM: N in mineral

    soils that is

    mineralised, in

    association with lossof soil C from soil

    organic matter as a

    result of changes to

    land use or

    management

    Anthropogenic N

    input types to

    estimate annual direct

    N2O-N emissions

    produced from

    flooded rice

    EF1FR

    Total

    [kg N2O-N (

    Table

    F E

    Anthropogenic N

    input types to

    estimate annual direct

    N2O-N emissions

    produced from

    managed soils

    EF1

    Sheet 1 of 2

    Equation Equation 11.1

    Anthropogenic N input type

    Annual amount of N applied Emission factor for N

    inp

    (kg N yr-1

    )

    Sector Agriculture, Forestry and Other Land Use

    Category Direct N2O Emissions from Managed Soils

    Category code 3C4

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  • 8/12/2019 3C4_Direct N2O Soils

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    Annual area of

    managed/drainedorganic soils

    Emission factor for N2O

    emissions fromdrained/managed

    organic soils

    Annual direct N2O-N

    emissions producedfrom managed organic

    soils

    (kg N2O-N

    ha-

    yr-

    )

    Table 11.1 N2O-NOS= FOS* EF2

    FOS EF2 N2O-NOS

    CG, Temp

    CG, Trop

    F, Temp, NR

    F, Temp, NP

    F, Trop

    CPP

    SO

    2The amount must be disaggregated by CPP and SO, which refer to Cattle, Poultry and Pigs, and Sheep and Other animals, respectively. See E

    Managed organic soils

    Urine and dung inputs to

    grazed soils

    Total

    1The area must be disaggregated by Cropland and Grassland (CG), Forest (F), Temperate (Temp), Tropical (Trop), Nutrient Rich (NR), and N

    Sheet 2 of 2

    Equation

    Anthropogenic N input type1,2

    (ha) (kg N2O-N yr-1

    )

    Sector Agriculture, Forestry and Other Land Use

    Category Direct N2O Emissions from Managed Soils

    Category code 3C4

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    Amount of urine and

    dung N deposited by

    grazing animals on

    pasture, range and

    paddock

    Emission factor for N2O

    emissions from urine

    and dung N deposited

    on pasture, range and

    paddock by grazing

    animals

    Annual direct N2O

    emissions from urine

    and dung inputs to

    grazed soils

    Annual direct N2O

    emissions from urine

    and dung inputs to

    grazed soils

    [kg N2O-N (kg N2O-N

    (kg N input)-

    ] yr-

    )

    Table 11.1

    N2O-NPRP= FPRP*

    EF3PRP

    N2ODirect-N = N2O-NN input

    + N2O-NOS+ N2O-NPRP

    FPRP EF3PRP N2O-NPRP N2ODirect-N

    uation 11.1.

    utrient Poor (NP) categories, respectively, see Equation 11.1.

    Equation 11.1

    (kg N yr-1

    ) (kg N2O-N yr-1

    )