Main field : item1、value1、value2、value3、value4、value5

Main field : item1、value1、value2、value3、value4、value5

Main field : item1、item2、value1、value2、value3、value4、value5

Main field : item1、item2、value1、value2、value3、value4、value5

Main field : item1、item2、value1、value2、value3、value4、value5、value6、value7、value8、value9、value10

Main field : seq、county、township、landfillname、situation、oceannearby、distance、longitude、latitude、address、parcelnumber、managementunit

Main field : sample_number、site、treatment、rice_cultivar、soil_cu_conc_aqua_regia、soil_cu_conc_n_hcl、rice_cu_conc、soil_zn_conc_aqua_regia、soil_zn_conc_n_hcl、rice_zn_conc、soil_cr_conc_aqua_regia、soil_cr_conc_n_hcl、rice_cr_conc、soil_ni_conc_aqua_regia、soil_ni_conc_n_hcl、rice_ni_conc、data_resource

Main field : water_type、water_num

Main field : icauthorities、water_num

Main field : item1、item2、value1、value2、value3、value4、value5、value6、value7、value8