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water conservation

Catalogue: GRDC Final Reports
In a recent survey 96% of growers indicated their knowledge about soil health had increased as a result of this project; 94% indicated they were better at making decisions for their business regarding soil health and 91% indicated information from the Liebe Group had been useful for changing farm practices... Professor Daniel Murphy, of UWA, analysed results from the Liebe Group's long term Soil Biology Trial, which has been measuring soil organic carbon build up since 2003, and the results of this analysis have provided growers with an indication of realistic soil organic carbon levels that can be targeted... Seven fact sheets about soil amelioration have been produced. . They contain concise and practical information to be used as starting points for growers investigating soil amelioration options...
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Catalogue: GRDC Final Reports
The project has demonstrated that summer fallow management can play an important role in regulating soil moisture storage, either to reduce the risk of deep drainage, or to benefit the crop... The lysimeter experiments showed that a 4 t/ha residue cover past sowing (early and mid June) could reduce evaporation losses by approximately 10 mm in 2005 (see Fig. A2) and 15 mm in 2006... To minimise the risk of deep drainage, residue retention should be avoided as much as possible and residue loads reduced to 1 t/ha or less, unless required for other purposes (e.g. erosion control)...
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