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Catalogue: Ground Cover
Water-repellent soils affect 30 per cent of Australia's cropping land, mostly in Western Australia... "We can look inside complex soils, such as vertisols, and can segment out the root system and can also see water in three dimensions in real soil samples, held undisturbed, or intact, from the field," Professor Young says... "People look at the weight or quantity of water available for plants, but it is really the surface tension between the soil and the water - the contact angle of that fine water film - that controls how water moves in soil, not the amount of water," Professor Young says...
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Catalogue: Ground Cover
Water-repellent soils affect 30 per cent of Australia's cropping land, mostly in Western Australia... "We can look inside complex soils, such as vertisols, and can segment out the root system and can also see water in three dimensions in real soil samples, held undisturbed, or intact, from the field," Professor Young says... "People look at the weight or quantity of water available for plants, but it is really the surface tension between the soil and the water - the contact angle of that fine water film - that controls how water moves in soil, not the amount of water," Professor Young says...
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Catalogue: GRDC Media
Gypsum applied to responsive soils along Western Australia's south coast has improved water use efficiency (WUE) - the amount of grain produced from a given amount of rainfall... With results restricted to certain soils, growers will need to test their soil to determine whether it is responsive to gypsum... Gypsum counteracts sodic soils by reducing clay dispersion, which improves soil structure and drainage and reduces waterlogging...
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Catalogue: GRDC Media
Gypsum applied to responsive soils along Western Australia's south coast has improved water use efficiency (WUE) - the amount of grain produced from a given amount of rainfall... With results restricted to certain soils, growers will need to test their soil to determine whether it is responsive to gypsum... Gypsum counteracts sodic soils by reducing clay dispersion, which improves soil structure and drainage and reduces waterlogging...
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