Scientific Reports 5: Article number: 16434; published online: 10 November 2015; updated: 22 January 2016

This Article contains an error in Fig. 2, where the y-axis ‘Herbage mass ln + 1(t/ha)’ was incorrectly given as ‘Herbage mass ln + 1(kg/ha)’. The correct Fig. 2 appears below as Fig. 1.

figure 1