Drewry, J.J., North, H. , Belliss, S.E. and Amies, A. 2020. Winter-forage crop grazing in the Gore-Mataura area of Southland: using time-series mapping to estimate location and frequency of cropping. Journal of New Zealand Grasslands. 82, (Oct. 2020), 129–137. DOI:https://doi.org/10.33584/jnzg.2020.82.425.