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【目的】以葡萄果树为研究对象,研究了不同剂量Hg胁迫下施用羊粪有机肥对不同生长期葡萄植株各部位Hg富集的影响,为利用有机肥控制葡萄Hg污染提供科学依据。【方法】采用盆栽试验,每个盆钵装过5 mm筛的风干土15 kg,土壤汞含量设置0、 1.5、 25 mg/kg 3个处理水平,以HgCl2固体粉末形式施入土壤,每个水平分别设置施用有机肥和不施用有机肥两种情况。供试有机肥为羊粪,并按12.5%施入土...
Aerobic conditions and antioxidative system of Azolla caroliniana Willd.in the presence of Hg in water solution
Azolla Hg ODR oxygen availability superoxide dismutase
2008/11/26
Heavy metals are among the toxic substances for plants. Their presence causes a state called “heavy metals stress” which manifests itself by many physiological changes in plants. One of them...