Worldwide increases in the cost of nitrogen fertilizer have led to renewed interest in biological nitrogen fixation as an alternative fertilizer source. DEC abstract (PN-AAL-834)
Review evidence: check the facts on this page before you cite them.Review evidence
0 of 12 checked, 0 flagged
Keys: j and k move, c checks, f flags, Esc leaves review. Marks are saved in this browser only.