期刊
ITALIAN JOURNAL OF AGRONOMY
卷 8, 期 4, 页码 244-254出版社
PAGEPRESS PUBL
DOI: 10.4081/ija.2013.e29
关键词
cadmium; inoculation; mycorrhiza; phytoremediation; potentially toxic elements
类别
Little information is available as to the real effectiveness of the phytoextraction remediation technique, since laboratory experiments are still the most common way in which this is measured. Given this, an experiment on a cadmium-polluted soil was carried out in open field conditions in Southern Italy with the aim of assessing the growth and the phytoextraction potential of giant reed (Arundo donax L). Compost fertilisation and Trichoderma harzianum A6 inoculations were used to verify the possibility of increasing the metal uptake of the crop. Biomass yield of giant reed in the first growth season (average 12.8 Mg ha(-1)) was not affected by the Cd concentration in the soil and this increased significantly with compost fertilisation (13.8 Mg ha(-1)). Both compost fertilisation and T. harzianum inoculation increased cadmium uptake and translocation in leaves. Nitrifying bacteria was shown to be a useful tool to biomonitor soil quality. These results proved the suitability of the giant reed for assisted-phytoremedation with the use of compost fertilisation and T. harzianum.
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