Title Contributor Type Date
Global distribution of soil phosphorus retention potential
Limited availability of P in soils to crops may be due to deficiency and/or severe P retention. Earlier studies that drew on large soil profile databases have indicated that it is not (yet) feasible to present meaningful values for “plant-available”......
ISRIC - World Soil Information dataset 2021/07/14
International Soil Carbon Network (ISCN)
The International Soil Carbon Network (ISCN) is a science-based network that facilitates data sharing, assembles databases, identifies gaps in data coverage, and enables spatially explicit assessments of soil carbon in context of landscape, climate,......
ISRIC - World Soil Information dataset 2021/07/14
WoSIS latest - pH H2O
A measure of the acidity or alkalinity in soils, defined as the negative logarithm (base 10) of the activity of hydronium ions (H+) in water. ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information......
ISRIC - World Soil Information dataset 2022/06/28
SoilGrids250m 2.0 - Silt content aggregated 5000m
Silt content (2-50/63 micro meter) mass fraction in ‰ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental......
ISRIC - World Soil Information dataset 2022/02/07
WoSIS latest - Effective cation exchange capacity - ISRIC
Capacity of the fine earth fraction* to hold exchangeable cations at the pH of the soil (ECEC). Conventionally approximated by summation of exchangeable bases (Ca2+, Mg2+, K+, and Na+) plus 1 N KCl exchangeable acidity (Al3+ and H+) in acidic soils......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - pH KCl
A measure of the acidity or alkalinity in soils, defined as the negative logarithm (base 10) of the activity of hydronium ions (H+) in a KCl solution, as specified in the analytical method descriptions. ISRIC is developing a centralized and......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - Calcium carbonate equivalent total
The content of carbonate in a liming material or calcareous soil calculated as if all of the carbonate is in the form of CaCO3 (in the fine earth fraction*); also known as inorganic carbon (g/kg). ISRIC is developing a centralized and user–focused......
ISRIC - World Soil Information dataset 2023/09/22
SoilGrids250m 2.0 - Soil pH in H2O aggregated 5000m
Soil pH x 10 in H2O at 6 standard depths (to convert to pH values divide by 10). Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental......
ISRIC - World Soil Information dataset 2022/02/07
SoilGrids250m 2.0 - Volumetric Water Content at 10kPa aggregated 1000m
Volumetric Water Content at 10kPa in 10-3 cm3cm-3 (0.1 v% or 1 mm/m) at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and......
ISRIC - World Soil Information dataset 2023/09/27
WoSIS latest - Cation exchange capacity - buffered at pH7
Capacity of the fine earth fraction* to hold exchangeable cations, estimated by buffering the soil at 'pH7' (cmol(c)/kg). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Coarse fragments volumetric total
Volumetric content of coarse fragments* in the whole soil (cm³/100cm³). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The aims are to: • Safeguard world soil data "as is" •......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Total carbon (C)
Gravimetric content of organic carbon and inorganic carbon in the fine earth fraction* (g/kg). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The aims are to: • Safeguard......
ISRIC - World Soil Information dataset 2023/09/22
SoilGrids250m 2.0 - Clay content aggregated 1000m
Clay content (0-2 micro meter) mass fraction in ‰ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers.......
ISRIC - World Soil Information dataset 2022/02/07
WoSIS latest - Clay total
Gravimetric content of less than X mm soil material in the fine earth fraction* (e.g. X = 0.002 mm as specified in the analytical method description) (g/100g). ISRIC is developing a centralized and user–focused server database, known as ISRIC World......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - Electrical conductivity - ratio 1:5
Ability of a 1:5 soil water extract to conduct electrical current (dS/m). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The aims are to: • Safeguard world soil data "as is" •......
ISRIC - World Soil Information dataset 2022/06/28
SoilGrids250m 2.0 - Total nitrogen aggregated 5000m
Total nitrogen in cg/kg at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. This map is the result of......
ISRIC - World Soil Information dataset 2022/02/07
SoilGrids250m 2.0 - Soil organic carbon content
Soil organic carbon content (fine earth fraction) in dg/kg at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental......
ISRIC - World Soil Information dataset 2021/11/18
SoilGrids250m 2.0 - Coarse fragments volumetric
Coarse fragments volumetric in ‱ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. To visualize these......
ISRIC - World Soil Information dataset 2021/11/18
SoilGrids250m 2.0 - Sand content
Sand content (50/63-2000 micro meter) mass fraction in ‰ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental......
ISRIC - World Soil Information dataset 2021/11/18
SoilGrids250m 2.0 - Soil organic carbon stock
Soil organic carbon stock in t/ha for 0-30 cm depth interval. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. To visualize......
ISRIC - World Soil Information dataset 2022/03/10
SoilGrids250m 2.0 - Clay content
Clay content (0-2 micro meter) mass fraction in ‰ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. To......
ISRIC - World Soil Information dataset 2021/11/18
SoilGrids250m 2.0 - Bulk density
Bulk density (fine earth) in cg/cm³ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. To visualize......
ISRIC - World Soil Information dataset 2021/11/18
SoilGrids250m 2.0 - Silt content
Silt content (2-50/63 micro meter) mass fraction in ‰ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental......
ISRIC - World Soil Information dataset 2021/11/18
SoilGrids250m 2.0 - Cation exchange capacity at ph7
Cation exchange capacity (buffered at pH 7) of fine earth fraction in cmolc/kg at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data......
ISRIC - World Soil Information dataset 2022/01/17
SoilGrids250m 2.0 - Soil organic carbon density
Soil organic carbon density in g/dm³ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. To visualize......
ISRIC - World Soil Information dataset 2021/11/18
WoSIS latest - Electrical conductivity - ratio 1:2
Ability of a 1:2 soil water extract to conduct electrical current (dS/m). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The aims are to: • Safeguard world soil data "as is" •......
ISRIC - World Soil Information dataset 2023/09/22
SoilGrids250m 2.0 - Cation exchange capacity at ph7 aggregated 5000m
Cation exchange capacity (buffered at pH 7) of fine earth fraction in mmol(c)/kg at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data......
ISRIC - World Soil Information dataset 2022/03/01
SoilGrids250m 2.0 - Soil pH in H2O
Soil pH x 10 in H2O at 6 standard depths (to convert to pH values divide by 10). Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental......
ISRIC - World Soil Information dataset 2021/11/18
WoSIS latest - pH CaCl2
A measure of the acidity or alkalinity in soils, defined as the negative logarithm (base 10) of the activity of hydronium ions (H+) in a CaCl2 solution, as specified in the analytical method descriptions. ISRIC is developing a centralized and......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - Electrical conductivity - ratio 1:2.5
Ability of a 1:2.5 soil water extract to conduct electrical current (dS/m). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The aims are to: • Safeguard world soil data "as is"......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Bulk density fine earth - 33 kPa
Bulk density of the fine earth fraction*, equilibrated at 33 kPa (kg/dm³). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The aims are to: • Safeguard world soil data "as is"......
ISRIC - World Soil Information dataset 2023/09/22
SoilGrids250m 2.0 - Bulk density aggregated 5000m
Bulk density (fine earth) in cg/cm³ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. This map is the......
ISRIC - World Soil Information dataset 2022/02/07
SoilGrids250m 2.0 - Cation exchange capacity at ph7 aggregated 1000m
Cation exchange capacity (buffered at pH 7) of fine earth fraction in mmol(c)/kg at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data......
ISRIC - World Soil Information dataset 2022/03/04
Global Soil Salinity Map
This dataset includes global soil salinity layers for the years 1986, 1992, 2000, 2002, 2005, 2009 and 2016. The maps were generated with a random forest classifier that was trained using seven soil properties maps, thermal infrared imagery and the......
Wageningen University dataset 2022/02/08
WoSIS latest - Total nitrogen (N)
The sum of total Kjeldahl nitrogen (ammonia, organic and reduced nitrogen) and nitrate-nitrite (g/kg). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The aims are to: •......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Phosphorus (P) - retention
Retention measured according to the New Zealand method (g/100g). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The aims are to: • Safeguard world soil data "as is" • Share......
ISRIC - World Soil Information dataset 2023/09/21
SoilGrids250m 2.0 - WRB classes and probabilites
WRB classes and probabilites. Predictions were derived using a digital soil mapping approach based on Random Forest, drawing on a global compilation of soil profile data and environmental layers. To visualize these layers please use www.soilgrids.org.......
ISRIC - World Soil Information dataset 2021/11/18
SoilGrids250m 2.0 - Volumetric Water Content at 10kPa
Volumetric Water Content at 10kPa in 10-3 cm3cm-3 (0.1 v% or 1 mm/m) at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and......
ISRIC - World Soil Information dataset 2023/09/27
WoSIS latest - Coarse fragments gravimetric total
Gravimetric content of coarse fragments* in the whole soil (g/100g). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS). The aims are to: • Safeguard world soil data "as is" •......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - pH NaF
A measure of the acidity or alkalinity in soils, defined as the negative logarithm (base 10) of the activity of hydronium ions (H+) in a NaF solution, as specified in the analytical method descriptions. ISRIC is developing a centralized and......
ISRIC - World Soil Information dataset 2022/06/28
SoilGrids250m 2.0 - Soil organic carbon density aggregated 1000m
Soil organic carbon density in hg/m³ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. This map is the......
ISRIC - World Soil Information dataset 2022/03/04
SoilGrids250m 2.0 - Volumetric Water Content at 1500kPa aggregated 5000m
Volumetric Water Content at 1500kPa in 10-3 cm3cm-3 (0.1 v% or 1 mm/m) at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and......
ISRIC - World Soil Information dataset 2022/11/18
SoilGrids250m 2.0 - Soil organic carbon content aggregated 5000m
Soil organic carbon content (fine earth fraction) in dg/kg at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental......
ISRIC - World Soil Information dataset 2022/02/02
SoilGrids250m 2.0 - Total nitrogen aggregated 1000m
Total nitrogen in cg/kg at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. This map is the result of......
ISRIC - World Soil Information dataset 2022/02/07
SoilGrids250m 2.0 - Soil organic carbon density aggregated 5000m
Soil organic carbon density in hg/m³ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. This map is the......
ISRIC - World Soil Information dataset 2022/03/01
SoilGrids250m 2.0 - Sand content aggregated 1000m
Sand content (50/63-2000 micro meter) mass fraction in ‰ at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental......
ISRIC - World Soil Information dataset 2022/02/07
SoilGrids250m 2.0 - Total nitrogen
Total nitrogen in cg/kg at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and environmental layers. To visualize these layers......
ISRIC - World Soil Information dataset 2021/11/18
WoSIS latest - Profiles
All profiles available in WoSIS latest with the soil Classification according to specified edition (year) of the World Reference Base for Soil Resources (WRB, up to qualifier level); FAO-Unesco Legend (up to soil unit level); USDA Soil Taxonomy (up to......
ISRIC - World Soil Information dataset 2022/06/28
SoilGrids250m 2.0 - Volumetric Water Content at 1500kPa
Volumetric Water Content at 1500kPa in 10-3 cm3cm-3 (0.1 v% or 1 mm/m) at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and......
ISRIC - World Soil Information dataset 2023/09/22
SoilGrids250m 2.0 - Volumetric Water Content at 33kPa aggregated 5000m
Volumetric Water Content at 33kPa in 10-3 cm3cm-3 (0.1 v% or 1 mm/m) at 6 standard depths. Predictions were derived using a digital soil mapping approach based on Quantile Random Forest, drawing on a global compilation of soil profile data and......
ISRIC - World Soil Information dataset 2022/11/18
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