highly significantP < 0.001
In South Western, highly significant differences ( P < 0.001) were observed between years for both the proportion of samples above the legal limit of 5 μg kg −1 and the average levels of AFB 1 . 3.4.
In South Western, highly significant differences ( P < 0.001) were observed between years for both the proportion of samples above the legal limit of 5 μg kg −1 and the average levels of AFB 1 . 3.4.