Soil eroded from the conventional and minimum till plots in 1990 [two events] was 70% and 73%, respectively, of the total soil eroded during the operation of the plots from 1986 to 1993.
Soil eroded from the conventional and minimum till plots in 1990 [two events] was 70% and 73%, respectively, of the total soil eroded during the operation of the plots from 1986 to 1993.