PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Biotechnology Genomics Microbiology Soil Science Biogeochemistry Piotr Bartmiński PeerJ Author Summary Biogeochemistry Biotechnology Genomics Microbiology Soil Science PeerJ Contributions Articles 1 July 24, 2020 The effects of humic substances on DNA isolation from soils Ewa Wnuk, Adam Waśko, Anna Walkiewicz, Piotr Bartmiński, Romualda Bejger, Lilla Mielnik, Andrzej Bieganowski https://doi.org/10.7717/peerj.9378 PubMed 32775047