It may take some time before the effects of such erosion become noticeable, especially in areas with the deepest and most fertile soils or on heavily fertilised soils.
(It; may take; some time; T:before the effects of such erosion become noticeable, especially in areas with the deepest and most fertile soils or on heavily fertilised soils) (the effects of such erosion; become; noticeable)
It the effects of such erosion
may take become
some time T:before the effects of such erosion become noticeable, especially in areas with the deepest and most fertile soils or on heavily fertilised soils
noticeable