SRP298247 PRJNA685228 Rhizosphere of 23 maize genotypes under standard and low N, 2019 16S sequencing of rhizosphere samples of 23 maize genotypes under standard and low N, 2019.8 weeks after planting.Buckler-Goodman lines:"A554" "B73" "B76" "B97" "CML103" "CML277" "CML333" "CML52" "CML69" "HP301" "IL14H" "M162W" "M37W" "MS71" "MT42" "N28HT" "NC358" "OH43" "OH603" "SD44" "T232" "TZI8" "VA102"