Ekanayake, D.; Owens, J.; Hodge, S.; Trethewey, J.; Roten, R.; Westerschulte, M.; Belin, S.; Werner, A.; Cameron, K. Soil Inorganic Nitrogen in Spatially Distinct Areas Within a Commercial Dairy Farm in Canterbury, New Zealand. Journal of NZ Grasslands 2017, 79, 83-88.