;; fertilizer.dai -*- lisp -*-

(defam Ammonia mineral
  (description "Pure NH4.
Added by <sha@kvl.dk>, 2000.")
  (NH4_fraction 1.000 []))

(defam AmmoniumNitrate mineral
  (description "A 50-50 mix of NH4 and NO3.
Added by <sha@kvl.dk>, 2000.")
  (NH4_fraction 0.500 [])) 

(defam Nitrate mineral
  (description "Pure NO3.")
  (NH4_fraction 0.000 []))

(defam N25S mineral
  (description "From _Kemira '97_.
Added by <sha@kvl.dk>, 2000.")
  (NH4_fraction 0.508 []))

(defam NPK01 mineral
  (description "Various NPK and NS fertilizers")
  (NH4_fraction 0.53 []))

(defam NPK02 mineral
  (description "Various NPK fertilizers")
  (NH4_fraction 0.57 []))
  
(defam NP mineral
  (description "Typical NP or NPS fertilizer")
  (NH4_fraction 0.650 []))

(defam CalciumNitrate mineral
  (description "Kalksalpeter")
  (NH4_fraction 0.08 []))

(defam slurry organic
  (description "Average based on numbers provided by Torben Bonde, Danish
Environmental Protection Agency, approximately 1991.
Added by <sha@kvl.dk>, 2000.")
  (volatilization 0.0 [])
  (om (AOM-SLOW (initial_fraction 0.72 [])
                (C_per_N 100 [(g C/cm^3)/(g N/cm^3)])
                (turnover rate 2.0e-4 [h^-1])
                (efficiency 0.60 0.60 []))
      (AOM-FAST (initial_fraction 0.18 [])
                (turnover rate 2.0e-3 [h^-1])
                (efficiency 0.60 0.60 []))
      (AOM-DIRECT (C_per_N 11 [(g C/cm^3)/(g N/cm^3)])
                  (turnover rate 1.0 [h^-1]))))

(defam cattle_slurry slurry
  (description "Numbers found by <hsv@kvl.dk>, 2001.")
  (dry_matter_fraction 0.059 [])
  (total_N_fraction 0.100 [])
  (total_C_fraction 0.375 [])
  (NH4_fraction  0.700 []))

(defam pig_slurry slurry
  (description "Numbers found by <hsv@kvl.dk>, 2001.")
  (dry_matter_fraction 0.059 [])
  (total_N_fraction 0.100 [])
  (total_C_fraction 0.375 [])
  (NH4_fraction  0.700 []))

(defam manure slurry
  (description "We have no specific information about manure."))

(defam cattle_manure manure
  (description "Numbers found by <hsv@kvl.dk>, 2001.")
  (dry_matter_fraction 0.059 [])
  (total_N_fraction 0.100 [])
  (total_C_fraction 0.375 [])
  (NH4_fraction  0.700 [])
  (NO3_fraction  0.200 []))

(defam pig_manure manure
  (description "Numbers found by <hsv@kvl.dk>, 2001.")
  (dry_matter_fraction 0.059 [])
  (total_N_fraction 0.100 [])
  (total_C_fraction 0.375 [])
  (NH4_fraction  0.700 [])
  (NO3_fraction  0.200 []))

(defam horse_manure manure
  (description "Numbers found by <hsv@kvl.dk>, 2001.")
  (dry_matter_fraction 0.297 [])
  (total_N_fraction 0.014 [])
  (total_C_fraction 0.375 [])
  (NH4_fraction  0.250 [])
  (volatilization  0.000 []))

(defam Foulum_slurry slurry
  (description "Parameters provided by DJF in Foulum, 1998.
Added by <sha@kvl.dk>, 2000.")
  (dry_matter_fraction 0.0341 [])
  (total_N_fraction 0.0615 [])
  (total_C_fraction 0.323 [])
  (NH4_fraction 0.57 []))

