Water Retention Capacity (%) Retention Time Coriander husk Saw dust Begass Wood ashes Sand 1 7.20% 6.50% 6.08% 5.74% 3.01% 2 6.80% 6.44% 6.21% 4.21% 3% 3 6% 5.52% 5.03% 4.00% 2.01% 4 5.99% 5.41% 4.33% 3.51% 1.09% 5 5.30% 4.32% 4.01% 3.00% 1.01%

Table 2: Water Retention capacity (%) per retention time period.