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Natural nitrogen of the prairie by Gerry Oliver
The article explains how native legumes enrich prairie soils by fixing atmospheric nitrogen through rhizobium microbes tied to roots. It lists legume species in Manitoba and Canada, notes historic explorers and First Nations use, and mentions potential livestock poisoning risks from certain plants like locoweed.
MENTIONED IN THIS ARTICLE
Gerry Oliver
Manitoba
Canada
Lewis and Clark
Thomas Palliser
John Macoun
Macoun