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Catalogue: Ground Cover
Primary Industries and Regions South Australia (PIRSA) soil and land management consultant David Davenport, from the department's Rural Solutions SA division, says there are at least one million hectares of land in SA alone that would benefit from amelioration of sandy soils... "Sandy soils have several known constraints including water repellence, compaction, low fertility and low water-holding capacity," he says... Mr Davenport says there are a range of different amelioration options that growers can use to overcome one or more of these constraints including spading, deep nutrition, incorporation of organic matter and the addition of clay...
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Catalogue: Ground Cover
Primary Industries and Regions South Australia (PIRSA) soil and land management consultant David Davenport, from the department's Rural Solutions SA division, says there are at least one million hectares of land in SA alone that would benefit from amelioration of sandy soils... "Sandy soils have several known constraints including water repellence, compaction, low fertility and low water-holding capacity," he says... Mr Davenport says there are a range of different amelioration options that growers can use to overcome one or more of these constraints including spading, deep nutrition, incorporation of organic matter and the addition of clay...
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Catalogue: GRDC Updates
The development of delvers and the timing of delving, such as when the clay is near to the plastic stage, results in a much cheaper operation, the option to delve deeper and a dramatic increase in yield... The consistent increase in biomass above and below the ground was also very important, potentially resulting in increased organic matter in the soil... Farming north of Bordertown, SA on sandy soils has been a challenge and a great journey for Sue and myself since we started in our own right in 1979...
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