Fig. 5From: Accumulation in nutrient acquisition strategies of arbuscular mycorrhizal fungi and plant roots in poor and heterogeneous soils of karst shrub ecosystemsRelationship among arbuscular mycorrhizal fungal colonisation and root phosphatase activities (a); N2 fixation rates and root phosphatase activities (b); arbuscular mycorrhizal fungal colonisation and N2 fixation rate (c) of two N2-fixing plant species (Albizia odoratissima and Cajanus cajan) grown in different soil conditions (ho, homogeneous; he, heterogenous; AMF, inoculated; non-AMF, not inoculatBack to article page