Retraction: Role of biochar and compost in cadmium immobilization and on the growth of Spinacia oleracea.

The I PLOS ONE i Editors retract this article [[1]] because it was identified as one of a series of submissions for which we have concerns about authorship, competing interests, and peer review. NI, HY, MAES, and PA did not agree with the retraction. [Extracted from the article]