Additional carbohydrate supply resulting from enhanced photosynthesis under predicted future elevated CO2 is likely to increase symbiotic nitrogen fixation in legumes. Butterly et al. use free-air CO2 enrichment (FACE)...
Tag - 15N
botanyone
Fast-growing trees rely on reserves for new spring growth
Uscola et al. use isotope labeling to study carbon and nitrogen movements in new spring growth in seedlings of 4 coexisting Mediterranean evergreen trees.
Turnover of foliar N absorbed at different times
Although nitrogen turnover within plants has been studied intensively, the fate of N absorbed at different times and particularly over winter is not completely understood. Ueda et al. trace N absorbed at different times...
