One-time calcium carbonate versus annual lime application for cadmium immobilization in a contaminated paddy field: A four-year field study.
Cadmium (Cd) contamination in paddy fields poses a serious threat to food security. However, the comparative remediation efficiency and microbial community responses of one-time calcium carbonate versus annual lime application remain unclear. A four-year field experiment (2021-2024) was conducted in Zhuzhou, China, usi...