3.2. Fibre strength
Fibre strength also had a strong negative correlation with yield across all years in the US and AUS data (Fig. 2).
The AUS data had different slopes across years, with the greatest slope in 2008 (−0.0292 ± 0.00804 kN m kg−1/kg/ha) and the least in 2004 (−0.0088 ± 0.00314 kN m kg−1/kg/ha)