Horne DJDIJKSTRA EFPALMER AS20122012Proceedings of the New Zealand Grassland Association, 2012, 74 pp. 109 - 114 (5)https://hdl.handle.net/10179/11323109 - 114 (5)Issues related to the management of nutrients on organic dairy farms: Nitrate leaching and maintaining soil nutrient levelsconference251612Massey_Dark