MIxS Checklist · ERC000055
Genomic Standards Consortium package extension for reporting of measurements and observations obtained from the environment where the sample was obtained. By choosing the environmental package, a selection of fields can be made from a relevant subsets of the GSC terms.
biotic_relationship_deprecatedfree text description of relationship(s) between the subject organism and other organism(s) it is associate with, e.g., parasite on species X; mutualist with species Y, the target organism is the subject of the relationship, and the other organism(s) is the object
trophic_levelTrophic levels are the feeding position in a food chain. Microbes can be a range of producers (e.g. chemolithotroph)
known_pathogenicityTo what is the entity pathogenic, for instance plant, fungi, bacteria
relationship_to_oxygenIs this organism an aerobe, anaerobe? Please note that aerobic and anaerobic are valid descriptors for microbial environments
propagationThe type of reproduction from the parent stock. Values for this field is specific to different taxa. For phage or virus: lytic/lysogenic/temperate/obligately lytic. For plasmids: incompatibility group. For eukaryotes: sexual/asexual. Mandatory for MIGs of eukayotes, plasmids and viruses.
observed_host_symbiontsThe taxonomic name of the organism(s) found living in mutualistic, commensalistic, or parasitic symbiosis with the specific host.
sample_collection_deviceThe device used to collect an environmental sample. It is recommended to use terms listed under environmental sampling device (http://purl.obolibrary.org/obo/ENVO) and/or terms listed under specimen collection device (http://purl.obolibrary.org/obo/GENEPIO_0002094).
sample_collection_methodThe method employed for collecting the sample. Can be provided in the form of a PMID, DOI, url or text.
sample_storage_temperaturetemperature at which sample was stored, e.g. -80
sample_storage_locationLocation at which sample was stored, usually name of a specific freezer/room. Indicate the location name.
sizefraction_lower_thresholdRefers to the mesh/pore size used to retain the sample. Materials smaller than the size threshold are excluded from the sample
sizefraction_upper_thresholdRefers to the mesh/pore size used to pre-filter/pre-sort the sample. Materials larger than the size threshold are excluded from the sample
soil_taxonomicfao_classificationsoil classification from the FAO World Reference Database for Soil Resources
soil_taxonomiclocal_classificationsoil classification based on local soil classification system
soil_taxonomiclocal_classification_methodreference or method used in determining the local soil classification
soil_typeDescription of the soil type or classification. This field accepts terms under soil (http://purl.obolibrary.org/obo/ENVO_00001998). Multiple terms can be separated by pipes.
soil_type_methodreference or method used in determining soil series name or other lower-level classification
soil_texture_measurementthe relative proportion of different grain sizes of mineral particles in a soil, as described using a standard system; express as % sand (50 um to 2 mm), silt (2 um to 50 um), and clay (<2 um) with textural name (e.g., silty clay loam) optional.
soil_texture_methodreference or method used in determining soil texture
soil_phpH measurement of the soil; e.g. 6.2
soil_coverDescription of the material covering the sampled soil. This field accepts terms under ENVO:00010483, environmental material.
oxygenation_status_of_sampleoxygenation status of sample
microbial_biomassthe part of the organic matter in the soil that constitutes living microorganisms smaller than 5-10 µm. IF you keep this, you would need to have correction factors used for conversion to the final units, which should be mg C (or N)/kg soil).
project_nameName of the project within which the sequencing was organized
farm_equipment_sanitizationMethod used to sanitize growing and harvesting equipment. This can including type and concentration of sanitizing solution. Multiple terms can be separated by one or more pipes.
equipment_shared_with_other_farmsList of planting, growing or harvesting equipment shared with other farms. This field accepts terms listed under agricultural implement (http://purl.obolibrary.org/obo/AGRO_00000416). Multiple terms can be separated by pipes.
farm_equipment_usedList of equipment used for planting, fertilization, harvesting, irrigation, land levelling, residue management, weeding or transplanting during the growing season. This field accepts terms listed under agricultural implement (http://purl.obolibrary.org/obo/AGRO_00000416). Multiple terms can be separated by pipes.
farm_watering_water_sourceSource of water used on the farm for irrigation of crops or watering of livestock.
food_production_system_characteristicsDescriptors of the food production system or of the agricultural environment and growing conditions related to the farm production system, such as wild caught, organic, free-range, industrial, dairy, beef, domestic or cultivated food production. This field accepts terms listed under food production (http://purl.obolibrary.org/obo/FOODON_03530206). Multiple terms may apply and can be separated by pipes.
animal_water_delivery_methodDescription of the equipment or method used to distribute water to livestock. This field accepts termed listed under water delivery equipment (http://opendata.inra.fr/EOL/EOL_0001653). Multiple terms can be separated by pipes.
plant_water_delivery_methodDescription of the equipment or method used to distribute water to crops. This field accepts termed listed under irrigation process (http://purl.obolibrary.org/obo/AGRO_00000006). Multiple terms can be separated by pipes.
food_harvesting_processA harvesting process is a process which takes in some food material from an individual or community of plant or animal organisms in a given context and time, and outputs a precursor or consumable food product. This may include a part of an organism or the whole, and may involve killing the organism.
food_production_characteristicsDescriptors of the food production system such as wild caught, free-range, organic, free-range, industrial, dairy, beef.
fertilizer_administration_dateDate of administration of soil amendment or fertilizer. Multiple terms may apply and can be separated by pipes, listing in reverse chronological order.
crop_yieldAmount of crop produced per unit or area of land.
ploidyThe ploidy level of the genome (e.g. allopolyploid, haploid, diploid, triploid, tetraploid). It has implications for the downstream study of duplicated gene and regions of the genomes (and perhaps for difficulties in assembly). For terms, please select terms listed under class ploidy (PATO:001374) of Phenotypic Quality Ontology (PATO), and for a browser of PATO (v 2018-03-27) please refer to http://purl.bioontology.org/ontology/PATO
number_of_repliconsReports the number of replicons in a nuclear genome of eukaryotes, in the genome of a bacterium or archaea or the number of segments in a segmented virus. Always applied to the haploid chromosome count of a eukaryote. Mandatory for MIGS of eukaryotes, bacteria, archaea and segmented virus.
extrachromosomal_elementsDo plasmids exist of significant phenotypic consequence (e.g. ones that determine virulence or antibiotic resistance). Megaplasmids? Other plasmids (borrelia has 15+ plasmids).
estimated_sizeThe estimated size of the genome (in bp) prior to sequencing. Of particular importance in the sequencing of (eukaryotic) genome which could remain in draft form for a long or unspecified period. Mandatory for MIGS of eukaryotes.
target_geneTargeted gene or locus name for marker gene studies
target_subfragmentName of subfragment of a gene or locus. Important to e.g. identify special regions on marker genes like V6 on 16S rRNA
multiplex_identifiersMolecular barcodes, called Multiplex Identifiers (MIDs), that are used to specifically tag unique samples in a sequencing run. Sequence should be reported in uppercase letters
sequence_quality_checkIndicate if the sequence has been called by automatic systems (none) or undergone a manual editing procedure (e.g. by inspecting the raw data or chromatograms). Applied only for sequences that are not submitted to SRA or DRA
chimera_check_softwareTool(s) used for chimera checking, including version number and parameters, to discover and remove chimeric sequences. A chimeric sequence is comprised of two or more phylogenetically distinct parent sequences.
relevant_electronic_resourcesA related resource that is referenced, cited, or otherwise associated to the sequence in the format of a PMID, DOI or URL
relevant_standard_operating_proceduresStandard operating procedures used in assembly and/or annotation of genomes, metagenomes or environmental sequences in the format of a PMID, DOI or URL
16s_recoveredCan a 16S gene be recovered from the submitted bin, SAG or MAG?
16s_recovery_softwareTools used for 16S rRNA gene extraction. Add names and versions of software(s), parameters used
collection_dateThe date the sample was collected with the intention of sequencing, either as an instance (single point in time) or interval. In case no exact time is available, the date/time can be right truncated i.e. all of these are valid ISO8601 compliant times: 2008-01-23T19:23:10+00:00; 2008-01-23T19:23:10; 2008-01-23; 2008-01; 2008.
altitudeThe altitude of the sample is the vertical distance between Earth's surface above Sea Level and the sampled position in the air.
geographic_location_latitudeThe geographical origin of the sample as defined by latitude. The values should be reported in decimal degrees and in WGS84 system
geographic_location_longitudeThe geographical origin of the sample as defined by longitude. The values should be reported in decimal degrees and in WGS84 system
geographic_location_region_and_localityThe geographical origin of the sample as defined by the specific region name followed by the locality name.
broadscale_environmental_contextReport the major environmental system the sample or specimen came from. The system(s) identified should have a coarse spatial grain, to provide the general environmental context of where the sampling was done (e.g. in the desert or a rainforest). We recommend using subclasses of EnvO’s biome class: http://purl.obolibrary.org/obo/ENVO_00000428. EnvO documentation about how to use the field: https://github.com/EnvironmentOntology/envo/wiki/Using-ENVO-with-MIxS.
local_environmental_contextReport the entity or entities which are in the sample or specimen’s local vicinity and which you believe have significant causal influences on your sample or specimen. We recommend using EnvO terms which are of smaller spatial grain than your entry for "broad-scale environmental context". Terms, such as anatomical sites, from other OBO Library ontologies which interoperate with EnvO (e.g. UBERON) are accepted in this field. EnvO documentation about how to use the field: https://github.com/EnvironmentOntology/envo/wiki/Using-ENVO-with-MIxS.
environmental_mediumReport the environmental material(s) immediately surrounding the sample or specimen at the time of sampling. We recommend using subclasses of 'environmental material' (http://purl.obolibrary.org/obo/ENVO_00010483). EnvO documentation about how to use the field: https://github.com/EnvironmentOntology/envo/wiki/Using-ENVO-with-MIxS . Terms from other OBO ontologies are permissible as long as they reference mass/volume nouns (e.g. air, water, blood) and not discrete, countable entities (e.g. a tree, a leaf, a table top).
elevationThe elevation of the sampling site as measured by the vertical distance from mean sea level.
culture_isolation_dateA culture isolation date is a date-time entity marking the end of a process in which a sample yields a positive result for the target microbial analyte(s) in the form of an isolated colony or colonies.
sievingCollection design of pooled samples and/or sieve size and amount of sample sieved
microbial_biomass_methodReference or method used in determining microbial biomass
organism_countTotal cell count of any organism (or group of organisms) per gram, volume or area of sample, should include name of organism followed by count. The method that was used for the enumeration (e.g. qPCR, atp, mpn, etc.) Should also be provided. (example: total prokaryotes; 3.5e7 cells per ml; qpcr)
horizon_methodReference or method used in determining the horizon
extreme_unusual_propertiesheavy_metalsheavy metals present and concentrations of any drug used by subject and the frequency of usage; can include multiple heavy metals and concentrations
extreme_unusual_propertiesheavy_metals_methodreference or method used in determining heavy metals
plant_structurename of plant structure that the sample was obtained from; for Plant Ontology (PO) terms see http://purl.bioontology.org/ontology/PO, e.g. petiole epidermis (PO_0000051); if an individual flower is sampled the sex of it can be recorded here
geographic_location_country_andor_seaThe geographical origin of where the sample was collected from, with the intention of sequencing, as defined by the country or sea name. Country or sea names should be chosen from the INSDC country list (http://insdc.org/country.html).
host_disease_statuslist of diseases with which the host has been diagnosed; can include multiple diagnoses. The value of the field depends on host; for humans the terms should be chosen from DO (Disease Ontology) at http://www.disease-ontology.org, other hosts are free text
host_common_namecommon name of the host, e.g. human
host_ageage of host at the time of sampling; relevant scale depends on species and study, e.g. could be seconds for amoebae or centuries for trees
host_taxidNCBI taxon id of the host, e.g. 9606
host_life_stagedescription of life stage of host
host_heightthe height of subject
host_lengththe length of subject
host_total_masstotal mass of the host at collection, the unit depends on host
host_phenotypephenotype of host. For Phenotypic quality Ontology (PATO) (v 2013-10-28) terms, please see http://purl.bioontology.org/ontology/PATO
host_scientific_nameScientific name of the natural (as opposed to laboratory) host to the organism from which sample was obtained.
host_subspecific_genetic_lineageInformation about the genetic distinctness of the host organism below the subspecies level e.g., serovar, serotype, biotype, ecotype, variety, cultivar, or any relevant genetic typing schemes like Group I plasmid. Subspecies should not be recorded in this term, but in the NCBI taxonomy. Supply both the lineage name and the lineage rank separated by a colon, e.g., biovar:abc123.
link_to_climate_informationlink to climate resource
link_to_classification_informationlink to digitized soil maps or other soil classification information
climate_environmenttreatment involving an exposure to a particular climate; can include multiple climates
presence_of_pets_animals_or_insectsThe type and number of animals or insects present in the sampling space.
current_vegetationvegetation classification from one or more standard classification systems, or agricultural crop
gaseous_environmentuse of conditions with differing gaseous environments; should include the name of gaseous compound, amount administered, treatment duration, interval and total experimental duration; can include multiple gaseous environment regimens
humidityamount of water vapour in the air, at the time of sampling
current_vegetation_methodreference or method used in vegetation classification
seasonal_environmenttreatment involving an exposure to a particular season (e.g. winter, summer, rabi, rainy etc.)
soil_horizonspecific layer in the land area which measures parallel to the soil surface and possesses physical characteristics which differ from the layers above and beneath
solar_irradiancethe amount of solar energy that arrives at a specific area of a surface during a specific time interval
drainage_classificationdrainage classification from a standard system such as the USDA system
temperaturetemperature of the sample at time of sampling
ph_methodreference or method used in determining pH
slope_gradientcommonly called slope. The angle between ground surface and a horizontal line (in percent). This is the direction that overland water would flow. This measure is usually taken with a hand level meter or clinometer.
slope_aspectthe direction a slope faces. While looking down a slope use a compass to record the direction you are facing (direction or degrees); e.g., NW or 315°. This measure provides an indication of sun and wind exposure that will influence soil temperature and evapotranspiration.
profile_positioncross-sectional position in the hillslope where sample was collected.sample area position in relation to surrounding areas
total_organic_carbon_methodReference or method used in determining total organic carbon
total_nitrogen_content_methodReference or method used in determining the total nitrogen
total_phosphatetotal amount or concentration of phosphate
total_nitrogen_concentrationConcentration of nitrogen (total). Total nitrogen concentration of water samples, calculated by: total nitrogen = total dissolved nitrogen + particulate nitrogen. Can also be measured without filtering, reported as nitrogen
total_carbontotal carbon content
total_organic_carbonDefinition for soil: total organic C content of the soil units of g C/kg soil. Definition otherwise: total organic carbon content
water_phpH measurement of the sample, or liquid portion of sample, or aqueous phase of the fluid.
photosynthetic_activity_methodReference or method used in measurement of photosythentic activity
photosynthetic_activityMeasurement of photosythetic activity (i.e. leaf gas exchange / chlorophyll fluorescence emissions / reflectance / transpiration) Please also include the term method term detailing the method of activity measurement.
source_material_identifiersA unique identifier assigned to a material sample (as defined by http://rs.tdwg.org/dwc/terms/materialSampleID, and as opposed to a particular digital record of a material sample) used for extracting nucleic acids, and subsequent sequencing. The identifier can refer either to the original material collected or to any derived sub-samples. The INSDC qualifiers /specimen_voucher, /bio_material, or /culture_collection may or may not share the same value as the source_mat_id field. For instance, the /specimen_voucher qualifier and source_mat_id may both contain 'UAM:Herps:14' , referring to both the specimen voucher and sampled tissue with the same identifier. However, the /culture_collection qualifier may refer to a value from an initial culture (e.g. ATCC:11775) while source_mat_id would refer to an identifier from some derived culture from which the nucleic acids were extracted (e.g. xatc123 or ark:/2154/R2).
historyprevious_land_useprevious land use and dates
previous_land_use_methodReference or method used in determining previous land use and dates
historycrop_rotationwhether or not crop is rotated, and if yes, rotation schedule
historyagrochemical_additionsaddition of fertilizers, pesticides, etc. - amount and time of applications
historytillagenote method(s) used for tilling
historyfirehistorical and/or physical evidence of fire
historyfloodinghistorical and/or physical evidence of flooding
historyextreme_eventsunusual physical events that may have affected microbial populations
mean_seasonal_humidityAverage humidity of the region throughout the growing season.
mean_seasonal_temperatureMean seasonal temperature
mean_seasonal_precipitationThe average of all seasonal precipitation values known, or an estimated equivalent value derived by such methods as regional indexes or Isohyetal maps.
seasonThe season when sampling occurred. Any of the four periods into which the year is divided by the equinoxes and solstices. This field accepts terms listed under season (http://purl.obolibrary.org/obo/NCIT_C94729).
mean_annual_precipitationThe average of all annual precipitation values known, or an estimated equivalent value derived by such methods as regional indexes or Isohyetal maps.
mean_annual_temperatureMean annual temperature
host_genotypeobserved genotype
host_specificity_or_rangeThe range and diversity of host species that an organism is capable of infecting, defined by NCBI taxonomy identifier.
host_dry_massmeasurement of dry mass
spikein_microbial_strainTaxonomic information about the spike-in organism(s) at the strain level. This field accepts terms under organism (http://purl.obolibrary.org/obo/NCIT_C14250). This field also accepts identification numbers from NCBI under https://www.ncbi.nlm.nih.gov/taxonomy. Multiple terms can be separated by pipes.
perturbationtype of perturbation, e.g. chemical administration, physical disturbance, etc., coupled with time that perturbation occurred; can include multiple perturbation types
negative_control_typeThe substance or equipment used as a negative control in an investigation
positive_control_typeThe substance, mixture, product, or apparatus used to verify that a process which is part of an investigation delivers a true positive.
experimental_factorExperimental factors are essentially the variable aspects of an experiment design which can be used to describe an experiment, or set of experiments, in an increasingly detailed manner. This field accepts ontology terms from Experimental Factor Ontology (EFO) and/or Ontology for Biomedical Investigations (OBI). For a browser of EFO (v 2.95) terms, please see http://purl.bioontology.org/ontology/EFO; for a browser of OBI (v 2018-02-12) terms please see http://purl.bioontology.org/ontology/OBI. E.g. time series design [EFO:EFO_0001779]
encoded_traitsShould include key traits like antibiotic resistance or xenobiotic degradation phenotypes for plasmids, converting genes for phage
genetic_modificationA genetic modification of the genome of an organism which may occur naturally by spontaneous mutation, or be introduced by some experimental means. Examples of genetic modification include specification of a transgene or the gene knocked-out or details of transient transfection.
subspecific_genetic_lineageInformation about the genetic distinctness of the sequenced organism below the subspecies level, e.g., serovar, serotype, biotype, ecotype, or any relevant genetic typing schemes like Group I plasmid. Subspecies should not be recorded in this term, but in the NCBI taxonomy. Supply both the lineage name and the lineage rank separated by a colon, e.g., biovar:abc123.
ancestral_datainformation about either pedigree or other description of ancestral information (e.g. parental variety in case of mutant or selection), e.g. A/3*B (meaning [(A x B) x B] x B)
taxonomic_classificationMethod used for taxonomic classification, along with reference database used, classification rank, and thresholds used to classify new genomes. Expected values are: classification method, database name, and other parameters e.g. vConTACT vContact2 (references from NCBI RefSeq v83, genus rank classification, default parameters)
plant_growth_mediumSpecification of the media for growing the plants or tissue cultured samples, e.g. soil, aeroponic, hydroponic, in vitro solid culture medium, in vitro liquid culture medium. Recommended value is a specific value from EO:plant growth medium (follow this link for terms http://purl.obolibrary.org/obo/EO_0007147).
rooting_medium_macronutrientsmeasurement of the culture rooting medium macronutrients (N,P, K, Ca, Mg, S); e.g. KH2PO4 (170mg/L)
rooting_medium_carbonsource of organic carbon in the culture rooting medium; e.g. sucrose
isolation_and_growth_conditionPublication reference in the form of pubmed ID (pmid), digital object identifier (doi) or url for isolation and growth condition specifications of the organism/material. Mandatory for MIGS and MIMARKS Specimen.
annotation_sourceFor cases where annotation was provided by a community jamboree or model organism database rather than by a specific submitter
reference_for_biomaterialPrimary publication if isolated before genome publication; otherwise, primary genome report. Mandatory for MIGS of bacteria and archaea.
sequencing_locationThe location the sequencing run was performed. Indicate the name of the lab or core facility where samples were sequenced.
enrichment_protocolThe microbiological workflow or protocol followed to test for the presence or enumeration of the target microbial analyte(s). Please provide a PubMed or DOI reference for published protocols.
library_preparation_kitPackaged kits (containing adapters, indexes, enzymes, buffers etc.), tailored for specific sequencing workflows, which allow the simplified preparation of sequencing-ready libraries for small genomes, amplicons, and plasmids.
sample_poolingPhysical combination of several instances of like material, e.g. RNA extracted from samples or dishes of cell cultures into one big aliquot of cells. Please provide a short description of the samples that were pooled.
lot_numberA distinctive alpha-numeric identification code assigned by the manufacturer or distributor to a specific quantity of manufactured material or product within a batch. Synonym: Batch Number. The submitter should provide lot number of the item followed by the item name for which the lot number was provided.
single_cell_or_viral_particle_lysis_approachMethod used to free DNA from interior of the cell(s) or particle(s)
single_cell_or_viral_particle_lysis_kit_protocolName of the kit or standard protocol used for cell(s) or particle(s) lysis
pooled_dna_extract_totalIndicate whether multiple DNA extractions were mixed. If the answer yes, the number of extracts that were pooled should be given. [ENA version of MIxS term: pooling of DNA extracts (if done). ]
sample_material_processingA brief description of any processing applied to the sample during or after retrieving the sample from environment, or a link to the relevant protocol(s) performed.
sample_volume_or_weight_for_dna_extractionVolume (ml) or mass (g) of total collected sample processed for DNA extraction. Note: total sample collected should be entered under the term 'sample size'.
nucleic_acid_extractionA link to a literature reference, electronic resource or a standard operating procedure (SOP), that describes the material separation to recover the nucleic acid fraction from a sample
nucleic_acid_amplificationA link to a literature reference, electronic resource or a standard operating procedure (SOP), that describes the enzymatic amplification (PCR, TMA, NASBA) of specific nucleic acids
library_sizeTotal number of clones in the library prepared for the project
library_reads_sequencedTotal number of clones sequenced from the library
library_construction_methodLibrary construction method used for clone libraries
library_vectorCloning vector type(s) used in construction of libraries
library_screening_strategySpecific enrichment or screening methods applied before and/or after creating clone libraries in order to select a specific group of sequences
pcr_conditionsDescription of reaction conditions and components for PCR in the form of 'initial denaturation:94degC_1.5min; annealing=...'
pcr_primersPCR primers that were used to amplify the sequence of the targeted gene, locus or subfragment. This field should contain all the primers used for a single PCR reaction if multiple forward or reverse primers are present in a single PCR reaction. The primer sequence should be reported in uppercase letters
adaptersAdapters provide priming sequences for both amplification and sequencing of the sample-library fragments. Both adapters should be reported; in uppercase letters
food_shipping_transportation_vehicleA descriptor for the mobile machine which is used to transport food commodities along the food distribution system. This field accepts terms listed under vehicle (http://purl.obolibrary.org/obo/ENVO_01000604). If the proper descrptor is not listed please use text to describe the mode of travel. Multiple terms can be separated by one or more pipes.
water_source_sharedOther users sharing access to the same water source. Multiple terms can be separated by one or more pipes.
food_sourceType of plant or animal from which the food product or its major ingredient is derived or a chemical food source [FDA CFSAN 1995].
food_shipping_transportation_methodA descriptor for the method of movement of food commodity along the food distribution system. This field accepts terms listed under travel mode (http://purl.obolibrary.org/obo/GENEPIO_0001064). If the proper descrptor is not listed please use text to describe the mode of travel. Multiple terms can be separated by one or more pipes.
food_product_typeA food product type is a class of food products that is differentiated by its food composition (e.g., single- or multi-ingredient), processing and/or consumption characteristics. This does not include brand name products but it may include generic food dish categories. This field accepts terms under food product type (http://purl.obolibrary.org/obo/FOODON:03400361). For terms related to food product for an animal, consult food product for animal (http://purl.obolibrary.org/obo/FOODON_03309997). If the proper descriptor is not listed please use text to describe the food type. Multiple terms can be separated by one or more pipes.
plant_productsubstance produced by the plant, where the sample was obtained from
relative_location_of_sampleLocation of sampled soil to other parts of the farm e.g. under crop plant, near irrigation ditch, from the dirt road.
porosityPorosity of deposited sediment is volume of voids divided by the total volume of sample
depthThe vertical distance below local surface, e.g. for sediment or soil samples depth is measured from sediment or soil surface, respectively. Depth can be reported as an interval for subsurface samples.
environment_adjacent_to_siteDescription of the environmental system or features that are adjacent to the sampling site. This field accepts terms under ecosystem (http://purl.obolibrary.org/obo/ENVO_01001110) and human construction (http://purl.obolibrary.org/obo/ENVO_00000070). Multiple terms can be separated by pipes.
fungicide_regimeninformation about treatment involving use of fungicides; should include the name of fungicide, amount administered, treatment duration, interval and total experimental duration; can include multiple fungicide regimens
herbicide_regimeninformation about treatment involving use of herbicides; information about treatment involving use of growth hormones; should include the name of herbicide, amount administered, treatment duration, interval and total experimental duration; can include multiple regimens
nonmineral_nutrient_regimeninformation about treatment involving the exposure of plant to non-mineral nutrient such as oxygen, hydrogen or carbon; should include the name of non-mineral nutrient, amount administered, treatment duration, interval and total experimental duration; can include multiple non-mineral nutrient regimens
pesticide_regimeninformation about treatment involving use of insecticides; should include the name of pesticide, amount administered, treatment duration, interval and total experimental duration; can include multiple pesticide regimens
ph_regimeninformation about treatment involving exposure of plants to varying levels of pH of the growth media; can include multiple regimen
salt_regimeninformation about treatment involving use of salts as supplement to liquid and soil growth media; should include the name of salt, amount administered, treatment duration, interval and total experimental duration; can include multiple salt regimens
standing_water_regimentreatment involving an exposure to standing water during a plant's life span, types can be flood water or standing water; can include multiple regimens
watering_regimeninformation about treatment involving an exposure to watering frequencies; can include multiple regimens
water_temperature_regimeninformation about treatment involving an exposure to water with varying degree of temperature; can include multiple regimens
chemical_administrationlist of chemical compounds administered to the host or site where sampling occurred, and when (e.g. antibiotics, N fertilizer, air filter); can include multiple compounds. For Chemical Entities of Biological Interest ontology (CHEBI) (v111), please see http://purl.bioontology.org/ontology/CHEBI