by Gray, C. W., McLaren, R. G., Roberts, A. H. C.
Published in Environmental science and pollution research international (01.11.2016)

by Loganathan, P., Hedley, M.J., Wallace, G.C., Roberts, A.H.C.
Published in Environmental pollution (1987) (01.01.2001)

by Thomson, N.A, Roberts, A.H.C
Published in Proceedings of the New Zealand Grassland Association ... conference (1982)

by Gray, C.W, McLaren, R.G, Roberts, A.H.C
Published in European journal of soil science (01.03.2003)

by Sinclair, A.G, Johnstone, P.D, Dysonk, C.B, Shannon, P.W, O'Connor, M.B, Roberts, A.H.C, Smith, R.G, Nguyen, L, Morton, J, Risk, W.H. (Ministry of Agriculture and Fisheries, Wellington (New Zealand))
Year of Publication 1989

by Edmeades, D.C, Thorrold, B.S, Roberts, A.H.C
Published in Australian journal of experimental agriculture (01.01.2005)

by Gray, C.W, McLaren, R.G, Roberts, A.H.C, Condron, L.M
Published in Nutrient cycling in agroecosystems (1999)

by Roberts, A.H.C
Published in New Zealand journal of experimental agriculture (01.01.1985)

by Roberts, A.H.C, Thomson, N.A. (Taranaki Agricultural Research Station, Hawera (New Zealand))
Published in Occasional Report - Fertilizer and Lime Research Centre (New Zealand) (1989)

by McCallum, D.A, Thomson, N.A, Roberts, A.H.C. (Taranaki Agricultural Research Station, MAFTech, Normanby (New Zealand))
Published in Proceedings of the New Zealand Grassland Association (New Zealand) (1990)

by Williams, P.H, Roberts, A.H.C. (Soil Science Department, Massey University, Palmerston North (New Zealand))
Published in New Zealand Journal of Experimental Agriculture (New Zealand) (1988)

by O'Connor M.B, Feyter C, Roberts A.H.C
Year of Publication 1989

by Gray, C.W, McLaren, R.G, Roberts, A.H.C, Condron, L.M. (Soil, Plant and Ecological Sciences Division, Soil and Physical Sciences Group, Lincoln University, PO Box 84, Canterbury (New Zealand))
Published in European Journal of Soil Science (United Kingdom) (1999)

by Roberts, A.H.C, Thomson, N.A
Published in New Zealand journal of experimental agriculture (01.04.1984)

by Roberts, A.H.C, Thomson, N.A
Published in New Zealand journal of experimental agriculture (01.04.1984)