Rhizobial Inoculation Increases Soil Microbial Functioning and Gum Arabic Production of 13-Year-Old Senegalia senegal (L.) Britton, Trees in the North Part of Senegal

根瘤菌接种可提高塞内加尔北部13年生塞内加尔红树（Senegalia senegal (L.) Britton）的土壤微生物功能和阿拉伯胶产量。