Long-term oyster shell powder applications increase crop yields and control soil acidity and cadmium in red soil drylands.

ABSTRACT: The intensification of agricultural production has significantly reduced land availability, necessitating continuous cropping cycles that degrade soil quality and inhibit crop growth. While the short-term use of soil amendments has shown significant potential for mitigating these challenges, few studies have explored their long-term effects on acidified soils and heavy metal accumulation. Between 2013 and 2018, a field experiment was conducted in the peanut (Arachis hypogaea L)-growing region of Jinxian County, Jiangxi Province, to investigate the long-term effects of oyster shell powder applied to upland red soil. Before the experiment, the soil properties were as follows: pH, 4.54, total soil cadmium (Cd) content, 0.49 mg kg^-¹; and available Cd content, 0.25 mg kg^-

SUBMITTER: Li H 

PROVIDER: S-EPMC11906426 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature