highly significantP < 0.001
3 ), with highly significant positive correlation across sites ( r = 0.77; P < 0.001) and time of sowing ( r = 0.73; P < 0.001).
3 ), with highly significant positive correlation across sites ( r = 0.77; P < 0.001) and time of sowing ( r = 0.73; P < 0.001).