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salt solution

Catalogue: GRDC Final Reports
Transient salinity in soils, characterised by high concentration of salts in the subsoil, varies with depth and changes throughout the season in response to rainfall, surface evaporation, water use by vegetation and the leaching fraction (hydraulic conductivity) of the clay layer... Experiments in our project have shown that transient salinity (accumulation of salt in root zone layers, not influenced by watertable) affects crop yield and growth in dry land regions mainly by reducing water use efficiency of crops through osmotic effect, although toxic effects of individual ions such as sodium can also cause yield reduction... The results indicate that gypsum application improves leaching of salts...
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