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.