共 12 条
[11]
Enriched atmospheric CO2and soil P effects on growth and ectomycorrhizal colonization of ju-venile ponderosa pine .2 Walker R F,Geisinger D R,Johnson D W,et al. Forest Ecology and Management . 1995
[12]
direct evidence that aymbiotic N2fixation is an important trait for a strongresponse of the plant to ele-vated atmospheric CO2 .2 Luscher A,Hartwig U A,Suter D,et al. Global Change Boil . 2000