organism: Zea mays
attributes.tag: isolate
attributes.value: missing
attributes.tag: cultivar
attributes.value: missing
attributes.tag: ecotype
attributes.value: missing
attributes.tag: age
attributes.value: 14day
attributes.tag: dev_stage
attributes.value: seedling
attributes.tag: geo_loc_name
attributes.value: China: Chengdu
attributes.tag: tissue
attributes.value: root (R)
attributes.tag: collected_by
attributes.value: Sichuan Agriculture University
attributes.tag: treatment
attributes.value: Low nitrogen (LN)
attributes.tag: numbers
attributes.value: 24
attributes.tag: BioSampleModel
attributes.value: Plant