Fig. 4
From: Biological and synthetic approaches to inhibiting nitrification in non-tilled Mediterranean soils
Daily (a) and cumulative (b) N2O emission over 60 days post-fertilization. Control = sorghum without fertilization; AS = sorghum fertilized with ammonium sulfate; AS + D = sorghum fertilized with ammonium sulfate + DMPP. Different letters indicate significant differences using the Duncan test (p < 0.05; n = 4)