Publication Date

1997

Description

Leaching of essential elements from pasture constitutes a significant loss of valuable nutrients, and the release of nitrates and toxic elements such as cadmium to ground water poses a risk to wildlife and consumers. Results are presented from two experiements on the effects of applying Na and Cd to perennial ryegrass (Lolium perenne) swards on the leaching of essential and toxic elements. Socium application increased Na and decreased K concentration in leached waters, and cadmium contamination increased the leaching of Na, K, Mg, Ca and P. The application of cadmium did not increase the cadmium concentration in leached water at a depth of 1m.

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Effects of Sodium and Cadmium Application to Pasture on Mineral Leaching

Leaching of essential elements from pasture constitutes a significant loss of valuable nutrients, and the release of nitrates and toxic elements such as cadmium to ground water poses a risk to wildlife and consumers. Results are presented from two experiements on the effects of applying Na and Cd to perennial ryegrass (Lolium perenne) swards on the leaching of essential and toxic elements. Socium application increased Na and decreased K concentration in leached waters, and cadmium contamination increased the leaching of Na, K, Mg, Ca and P. The application of cadmium did not increase the cadmium concentration in leached water at a depth of 1m.