Soil bacterial and archaeal 16S communities under cover cropping and an organic algae amendment in semi-arid agriculture
This project examines soil bacterial and archaeal 16S rRNA gene communities in a multi-year field experiment at Oatman Flats Ranch near Gila Bend, Arizona, USA. Thirty-nine agricultural soil samples were collected at four post-cover-crop or post-wheat events from November 2023 through May 2025 under control, cover-crop-only, cover-crop-plus-organic-algae, and algae-only treatments. The submission contains 78 primer-trimmed combined FASTQ files: one archaeal and one bacterial amplicon file for each physical soil sample.