highly significantP <0.01
The comparisons between groups within months were made using least significant difference (LSD) test with the differences considered significant at P <0.05 and highly significant at P <0.01 and P <0.001 level.
The comparisons between groups within months were made using least significant difference (LSD) test with the differences considered significant at P <0.05 and highly significant at P <0.01 and P <0.001 level.