WSU Cougar Head Logo Washington State University
WSU Insider
News and Information for Faculty, Staff, and the WSU Community

kahn

Getting the fix on Nitrogen

Nitrogen is an essential nutrient for plant growth, but not all forms of nitrogen are usable by plants. Although Earth’s atmosphere is rich in nitrogen, the inert atmospheric gas is useless to most organisms.   Some plants, though, form symbiotic relationships with bacteria called rhizobia. In a complicated exchange of nutrients, rhizobia produce an abundance […]