Fig. 1. The effect of cattle slurry applied 4, 3, 2, 1, and 0 d before KNO3 on the flux of N2O from grassland on four occasions in 1998. (LSD values are for comparing any two means at P = 0.05).
Fig. 1. The effect of cattle slurry applied 4, 3, 2, 1, and 0 d before KNO3 on the flux of N2O from grassland on four occasions in 1998. (LSD values are for comparing any two means at P = 0.05).