Table 1. Cattle manure left on pasture in the world [6]

N Head (Milion) N (Tg year−1) N (kg head−1year−1) N2O (Gg year−1) N2O (g head−1year−1) N2O (g head−1day−1)
Dairy cattle
Stock 274
 Manure N left on pasture 8.59 31.38
 Manure N left on pasture that leaches 2.58 9.41
 Manure N left on pasture that volatilises 1.72 6.28
Emmision of N2O1) 327.4 1,195.6 3.3
 Direct emmision of N2O 270.0 986.1 2.7
 Indirect emmision of N2O 57.4 209.5 0.6
  N2O leaches2) 30.4 110.9 0.3
  N2O volatilises3) 27.0 98.6 0.3
Non-dairy cattle
Stock 1,201
 Manure left on pasture 35.89 29.88
 Manure left on pasture that leaches 10.77 39.22
 Manure left on pasture that volatilises 7.18 26.21
Emmision of N2O1) 1,367.6 1,138.6 3.1
 Direct emmision of N2O 1,127.9 939.1 2.9
 Indirect emmision of N2O 239.7 199.6 0.5
  N2O leaches2) 126.9 105.6 0.3
  N2O volatilises3) 112.7 93.8 0.3
N2O from manure left on pasture.
N2O that leahes from manure left on pasture.
N2O that volatilises from manure left on pasture.