消瘦 发表于 2025-3-30 11:54:08
Introduction and Historical Perspective,solely by prokaryotic organisms (Postgate, 1982). The majority of this combined nitrogen is delivered directly to eukaryotic plants via a symbiotic relationship with nitrogen fixing bacteria. Such symbiotic relationships have been described for several genera of plants (see Broughton, 1982). By far增长 发表于 2025-3-30 13:04:59
http://reply.papertrans.cn/39/3825/382404/382404_52.png