SPANISH INVENTORY - AGRICULTURAL SECTOR: CHARACTERIZATION AND ANALYSIS OF MOST SIGNIFICANT PARAMETERS Antonio Ferreiro 1 and Juan José Rincón Technical Assistance Team for Emission Inventories Under Contract to the Spanish Ministry of the Environment 1) Co-ordinator. Corresponding author: WORKSHOP ON AGRICULTURAL INVENTORIES AND PROJECTIONS EEA, COPENHAGEN FEBRUARY 2003

N incorporated to soils N 2 O-N direct N 2 O-N direct from animal production N2O-N indirect F SN F AW F BN F CR ADL-R Inorganic fertilizers N in manure applied to soils (no pasture) N in compost and sludge N fixed by pulse N from pasture lands N in crop residues N excreted by pasture animals Inorganic fertilizers N in manure applied to soils (1) kg inorganic fertilizers Number of animals N excreted AWMS kg inorganic fertilizers kg compost produced Ha yields Ha yields Number of animals N excreted AWMS Number of animals N excreted AWMS TABLE 8 PATHS OF N INPUTS TO SOILS AND N 2 O EMISSION WAYS (Figures in tonnes of N) % 16% %15% 2% % % % (1): Plus N in compost and sludge.

PROVINCIAL PRODUCTIONS PROVINCIAL YIELDS (t/ha) MINIMUM AND MAXIMUM EXTRACTION (kg/t) MINIMUM AND MAXIMUM YIELD (t/ha) FOR EACH CROP NITROGEN EXTRACTION COEFFICIENTS FOR EACH CROP AND PROVINCE (kg/t) EXTRACTED NITROGEN DISTRIBUTION CROP/REST (Plant;stubble and roots) CROP (fruit) / REST (Leaves; Wood; Roots) EXTRACTED N DESTINATION (Retired, Pastured, Burned or Residual) TOTAL NITROGEN EXTRACTION FOR EACH CROP AND PROVINCE FRACTIONS OF RETIRED NITROGEN AND RESIDUE % RETIRED CROP % PASTURE % BURNING % RESIDUE RETIRED N / PASTURED N / BURNING N / RESIDUAL N (crop, crops group and total) TABLE 10 METHODOLOGY FOR THE CALCULATION OF THE NITROGEN EXTRACTION BY THE CROPS (B.N.A.E.) (1) (1): MAPA-WG on GHG&NB.