Effect of the various doses of vermicompost implementation on some heavy metal contents (Cr, Co, Cd, Ni, Pb) of cucumber (Cucumis sativus L.)
In this study, the effects of the increasing doses of vermicompost implementation [0 % (VC1), 3 % (VC2), 5 % (VC3), 7 % (VC4)] on some heavy metal contents of cucumber (Cucumis sativus L. have been investigated. With the increasing doses of vermicompost implementation, Cr, Co, Cd, Ni and Pb contents of cucumber decreased. While the Cr content of cucumber is 65.94 mg/kg with the implementation of VC1 (control) dose, it decreases to 20.58 mg/kg with VC4 dose. The plant’s Co, Cd, Ni and Pb contents decreases with the increasing doses of vermicompost implementation, as well, and, VC1and VC4 doses of vermicompost are determined as 7.66- 2.09, 1.05-0.71, 47.93- 14.57 and 15.68- 5.01 mg/kg respectively.
These results revealed that vermicompost can be used as a fertilization program to protect the plant’s quality and to eliminate its heavy metal contents. On the other hand, the use of organic fertilizers such as vermicompost should be extended for the maintenance of soil productivity.