Table 2. Suggested guideline for liming of pond based on pH and texture of pond soil | |||
Soil pH | Lime requirement (tonnes/ha as CaCO3) | ||
Heavy loams� | Sandy loam | Sand | |
or clays | |||
< 4.0 | 14.32 | 7.16 | 4.48 |
4.0-4.5 | 10.74 | 5.37 | 4.48 |
4.6-5.0 | 8.9 | 4.48 | 3.58 |
5.1-5.5 | 5.37 | 3.58 | 1.79 |
5.6-6.0 | 3.58 | 1.79 | 0.9 |
6.1-6.5 | 1.79 | 1.79 | nil |
>6.5 | nil | nil | nil |
Data source: Boyd and Tucker (1998) |