Figure 1
From: Nitrogen Dynamics in Soil Fertilized with Slow Release Brown Coal-Urea Fertilizers
Cumulative N2O-N (a) and NH3-N (b) emissions from different soil types (values are mean ± standard error, N = 5). Letters above columns are different if the values are significantly different (P < 0.05). Valid statistical comparisons cannot be made between soil types.
