Malcolm, B. J., Carey, P. L., Teixeira, E. I., Johnstone, P. R., Maley, S. C. and de Ruiter, J. M. (2018) “Potential of catch crops to reduce nitrogen leaching in New Zealand winter grazing systems”, Journal of New Zealand Grasslands, 80, pp. 207–214. doi: 10.33584/jnzg.2018.80.331.