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soil incorporation

Catalogue: GRDC Final Reports
The investigation has revealed that there exists a lack of information in Australia relating to the use of organic by-products as fertilisers and soil ameliorants in its cropping systems... While research has been conducted using piggery, chicken, cattle manures and biosolids, it has only been very short term and mostly at rates designed to show an effect within the short time- frame of funding rather than at application rates growers can reasonably be expected to use... At the locations, the application of different forms of by-product at different rates and levels of soil incorporation would be assessed for impacts on yield and soil quality over five seasons...
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Catalogue: GRDC Publications
Soil organic carbon makes up about 58 per cent of the mass of organic matter and is usually reported in a soil analysis report as the concentration (i.e. per cent) of organic carbon in soil (see Chapter 1 for more detail)... If a soil has a significant amount of gravel or stone material, this fraction is removed before analysis with the final soil carbon or nutrient assessment being only representative of the mineral component of the remaining soil... Understanding how organic matter cycles through the soil and what drives its accumulation and loss is critical to maintaining it at optimal levels within agricultural systems...
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