N2-fixing 第1页

VARIATIONS OF δ 15 N VALUE IN SHOOTS,ROOTS AND NODULES OF N 2 FIXING PLANTS Study on Infectivity of the Nodule Endophyte of Some Non-Leguminous N2-Fixing Plants Community structure characters and differences of N2-fixing and CO2-fixingbacteria under longterm fertilization in paddy soils of Taihu Lake region, China