Plots (27) on zinc mining waste deposits (Naracauli, Ingurtosu, Sardinia) after being planted or seeded 6 month earlier with Euphorbia and irrigated as part of the EU Umbrella project. Besides 3 control plots, the waste of 24 plots was first mixed with bacteria, fungi, and/or transformed bauxite refinery residue (ViroMine, reddish color). The effect of additives on plant growth was defined by measuring height, mass, metal concentration and plant metabolism.
Sardinia is the second-largest island in the Mediterranean Sea (after Sicily). The area of Sardinia is 24,090 square kilometres (9,301 sq mi). The island is surrounded (clockwise from north) by the French island of Corsica, the Italian Peninsula, Tunisia and the Balearic Islands. Sardinia is a constitutional part of Italy, with a special statute of regional autonomy under the Italian Constitution. http://en.wikipedia.org/wiki/Sardinia