Heavy Metal Transfer Dynamics and Human Health Risk Assessment in Vegetables Grown on Sewage Sludge-Amended Soils in Nyeri County, Kenya
Sewage sludge is increasingly used as an organic fertilizer in Kenyan peri-urban agriculture, yet concerns persist regarding heavy metal transfer to edible crops and associated health risks. This study evaluated the magnitude of cadmium (Cd), chromium (Cr), and lead (Pb) transfer from sewage sludge-amended soil to kale...