Fig. 3 Variation in percentage of size class of aggregates with different rates of sludge application in (A) silty clay soil (B) loamy soil, and (C) sandy loam soil. The * symbol represents a linear contrast significant at P 
0.05
Fig. 3 Variation in percentage of size class of aggregates with different rates of sludge application in (A) silty clay soil (B) loamy soil, and (C) sandy loam soil. The * symbol represents a linear contrast significant at P 0.05