Search Results - "Payn, T.W"

Comparison of spatial prediction techniques for developing Pinus radiata productivity surfaces across New Zealand by Palmer, D.J., Höck, B.K., Kimberley, M.O., Watt, M.S., Lowe, D.J., Payn, T.W.

“…Spatial interpolation is frequently used to predict values across a landscape enabling the spatial variation and patterns of a property to be quantified…”
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Soil and foliar phosphorus as indicators of sustainability for Pinus radiata plantation forestry in New Zealand by Palmer, D.J., Lowe, D.J., Payn, T.W., Höck, B.K., McLay, C.D.A., Kimberley, M.O.

“…We investigated how multiple-crop forestry has influenced the magnitude and variability of soil and plant phosphorus (P) fertility and site disturbance…”
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Priming effect of biuret addition on native soil N mineralisation under laboratory conditions by Xue, J.M., Sands, R., Clinton, P.W., Payn, T.W., Skinner, M.F.

“…This study was carried out to quantify the priming effect of biuret on native soil nitrogen (N) mineralisation during a 112-day incubation. Addition of biuret…”
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Environmental consequences of alternative practices for intensifying crop production by Gregory, P.J., Ingram, J.S.I., Andersson, R., Betts, R.A., Brovkin, V., Chase, T.N., Grace, P.R., Gray, A.J., Hamilton, N., Hardy, T.B., Howden, S.M., Jenkins, A., Meybeck, M., Olsson, M., Ortiz-Monasterio, I., Palm, C.A., Payn, T.W., Rummukainen, M., Schulze, R.E., Thiem, M., Valentin, C., Wilkinson, M.J.

“…The increasing global demand for food will be met chiefly by increased intensification of production. For crops, this will be achieved largely by increased…”
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Environmental and nutritional responses of a Pinus radiata plantation to biosolids application by Wang, H, Magesan, G.N, Kimberley, M.O, Payn, T.W, Wilks, P.J, Fisher, C.R

“…Since the mid-1990s, a Pinus radiata (D. Don) plantation growing on a sandy, low fertility soil at Rabbit Island near Nelson, New Zealand received aerobically…”
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Magnesium nutrition and photosynthesis in Pinus radiata: clonal variation and influence of potassium by Sun, O.J, Payn, T.W

“…Magnesium (Mg) nutrition and photosynthesis were studied in clones of Pinus radiata D. Don grown in sand culture for 21 weeks at four Mg concentrations (0.008,…”
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Carbon and net nitrogen mineralisation in two forest soils amended with different concentrations of biuret by Xue, J.M., Sands, R., Clinton, P.W., Payn, T.W., Skinner, M.F.

“…Biuret is a known contaminant of urea fertilisers that might be useful as a slow release N fertiliser for forestry. We studied carbon (C), net nitrogen (N)…”
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Potential for the use of GIS and spatial analysis techniques as tools for monitoring changes in forest productivity and nutrition, a New Zealand example by Payn, Tim W, Hill, Reece B, Höck, Barbara K, Skinner, Malcolm F, Thorn, Alan J, Rijkse, Wim C

“…A scheme for combining forest data (growth, foliar nutrition) and soil and site information in a predictive spatial system is proposed to address the following…”
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Scaling up or scaling down: the use of foliage and soil information for optimising the phosphate nutrition of radiata pine by Payn, T.W, Skinner, M.F, Hill, R.B, Thorn, A.J, Scott, J, Downs, S, Chapman, H

“…Fertilising with phosphate is important in New Zealand radiata pine plantations. Phosphate fertiliser trials have provided functions for determining potential…”
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Do genetic improvements in radiata pine seedlings confound their use as indicators of change in soil quality? by Skinner, M.F, Payn, T.W, Lowe, A.T, Kimberley, M.O, Graham, J.D

“…In a glasshouse environment, and in field trials with trees up to four years of age, the effect of genetic improvement on the early nutrition and growth of…”
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sequential extraction method for the determination of dissolution of magnesium from fertilizers applied to pumice soils by Loganathan, P, Payn, T.W, Mitchell, A.D, Tillman, R.W

“…A major factor controlling the effectiveness of magnesium (Mg) fertilizers in correcting Mg deficiency in crops is their rate of dissolution in soils. The…”
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