Fig. 1. Cumulative urinary N uptake (g m-2) in harvested grass for (a) spring, Soil C; (b) spring, Soil B; (c) spring, Soil L; (d) fall, Soil C; (e) fall, Soil B; and (f) fall, Soil L. Symbols: •, Zone A; 
, Zone B; 
, Zone C.
Fig. 1. Cumulative urinary N uptake (g m-2) in harvested grass for (a) spring, Soil C; (b) spring, Soil B; (c) spring, Soil L; (d) fall, Soil C; (e) fall, Soil B; and (f) fall, Soil L. Symbols: •, Zone A; , Zone B; , Zone C.