Chitosan-modified biochar and root exudates of rapes (Brassica napus L.) synergistically remediate cadmium-contaminated soil.

Cadmium (Cd) is a highly toxic heavy metal that inhibits the growth of rapes (Brassica napus L.) in contaminated soils. While chitosan-modified biochar (KC) shows potential to reduce Cd availability, its interaction with root exudates in regulating C…

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