Items where Author is "Simpson, J. A."

2002

Xu, Z., Bubb, K.A. and Simpson, J. A. (2002) Effects of nitrogen fertilisation and weed control on nutrition and growth of a four-year-old Araucaria cunninghamii plantation in subtropical Australia. Journal of Tropical Forest Science, 14 (2). pp. 213-222.

2001

Bubb, K.A., Xu, Z., Simpson, J. A. and Saffigna, P. G. (2001) Nitrogen response and 15N-labelled fertiliser recovery by hoop pine seedlings grown under glasshouse conditions. Tropical Forest Science, 13 (1). pp. 31-43.

2000

Xu, Z. H., Saffigna, P. G., Farquhar, G. D., Simpson, J. A., Haines, R. J., Walker, S., Osborne, D. O. and Guinto, D. (2000) Carbon isotope discrimination and oxygen isotope composition in clones of the F1 hybrid between slash pine and Caribbean pine in relation to tree growth, water-use efficiency and foliar nutrient concentration. Tree Physiology, 20 (18). pp. 1209-1217. https://doi.org/10.1093/treephys/20.18.1209

Simpson, J. A., Xu, Z.H., Smith, T., Keay, P., Osborne, D.O. and Podberscek, M. (2000) Effects of site management in pine plantations on the coastal lowlands of subtropical Queensland, Australia. In: Site Management and Productivity in Tropical Plantation Forests: A Progress Report. Center for International Forestry Research, 107 pages.

1998

Bubb, K.A., Xu, Z., Simpson, J. A. and Saffigna, P. G. (1998) In situ measurements of soil mineral-nitrogen fluxes in hoop pine plantations of subtropical Australia. New Zealand Journal of Forestry Science, 28 (2). pp. 152-164.

1995

Xu, Z., Simpson, J. A. and Osborne, D.O. (1995) Mineral nutrition of slash pine in subtropical Australia. II. foliar nutrient response to fertilization. Fertilizer Research, 41 . pp. 101-107. https://doi.org/10.1007/BF00750751

Xu, Z., Simpson, J. A. and Osborne, D.O. (1995) Mineral nutrition of slash pine in subtropical Australia. III. Relationships between foliar P concentration and stand growth. Fertilizer Research, 41 . pp. 109-115. https://doi.org/10.1007/BF00750752