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The use of geo-referenced soil test data in the Herbert district

Di Bella, L. P., Coventry, R. J., Sefton, M., Moody, P. W., Hanks, M., Stringer, J. K. and Kerkwyk, R. E. (2009) The use of geo-referenced soil test data in the Herbert district. In: 31st Annual Australian Society of Sugar Cane Technologists Conference 2009, ASSCT 2009, 5 May 2009 through 8 May 2009, Ballina.

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SURFACE soil samples have been collected for many years to develop on-farm nutrient management guidelines but their precise locations were largely unknown because geo-referencing technology was previously unavailable. Consequently, spatial analysis of the data was not possible. Over the past four years, the Herbert Cane Productivity Services Limited (HCPSL) has provided a service to growers to co-ordinate soil sample collection, sample analysis, and reporting of soil test information; a geo-referenced position is recorded for every sample. This information is collated in a spatial database and forms a layer in the geographic information systems (GIS) managed jointly by HPCSL and the Herbert Resource Information Centre (HRIC). Interpretation of the data has provided spatial patterns of soil properties across the district. This paper presents examples of the spatial distribution of different nutrients and soil chemical characteristics such as soil pH, extractable phosphorus, cation exchange capacity, exchangeable calcium and extractable aluminium. It shows how georeferenced soil test data can be used to develop nutrient management strategies within the region and to address specific issues associated with nutrient deficiencies and excesses. Copyright © (2009) by Australian Society of Sugar Cane Technologists All rights reserved.

Item Type:Conference or Workshop Item (Paper)
Keywords:Aluminium Calcium Cation exchange capacity CEC Geo-referenced samples GIS Herbert river district Mill mud Nutrient management Phosphorus Soil pH Soil testing Aluminum Geographic information systems Nutrients Positive ions Soil surveys Soils Sugar cane Cation exchange capacities
Subjects:Agriculture > Agriculture (General) > Soils. Soil science
Plant culture > Field crops > Sugar plants
Agriculture > By region or country > Australia > Queensland
Live Archive:17 Feb 2022 01:11
Last Modified:17 Feb 2022 01:11

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