Alan L. Garside

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This study manipulated the carbon-to-nitrogen ratio (C:N) of seaweed composts by varying the proportion of high N green seaweed (Ulva ohnoi) and high C sugarcane bagasse to assess their quality and suitability for use in agricultural crop production. Seaweed-bagasse mixes that had an initial C:N ratio greater than 18:1 (up to 50:1) could be transformed into(More)
The low efficiency of nitrogen (N) use from fertilizer applied to sugarcane is a major concern worldwide threatening the sustainability of sugarcane production. Further, the significance of N losses to the environment is becoming more important as global warming becomes a more significant issue. Improving nitrogen use efficiency is a major challenge for(More)
Long-term rotation experiments were established at five sites (Tully, Ingham, Ayr, Mackay and Bundaberg) in sugar growing areas of coastal Queensland, Australia in 1993 and 1994. The rotations or breaks consisted of either pasture, crop other than sugarcane, or bare fallow for various periods of time ranging from 6 to 42 months. The type of break(More)
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