a8-hour labeling duration.

b(mg C g-1 shoot C h-1) calculated using shoot weights as measured at the end of the experiment.

cRoot plus symbiont respiration.

a-c Means followed by the same letter do not differ (P < 0.5). From Kucey and Paul, 1982.

TABLE 2.5. N2 Fixation by Mycorrhizal (RMI) and Nonmycorrhizal (RI) Nodulated Beans (4- to 5-Week-Old)
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