Title Contributor Type Date
Spatially-Disaggregated Crop Production Statistics Data in Africa South of the Sahara for 2017
Using a variety of inputs, IFPRI's Spatial Production Allocation Model (SPAM, also known as MapSPAM) uses a cross-entropy approach to make plausible estimates of crop distribution within disaggregated units. Moving the data from coarser units such as......
International Food Policy Research Institute (IFPRI) dataset 2020/07/13
ISDA field-level soil map for Africa
field-level soil map for Africa, with 20+ soil properties predicted at 30m resolution for the entire continent. The development process applies predictive machine learning technology using data from over 130,000 soil samples, much of it based on years......
None service 2022/12/13
Laboratory and Farm Advisory Services
Cropnuts was established in 1998 and started out as a small analytical laboratory in Kenya. In the last 20 years we have grown to become Africa’s leading laboratory for agricultural and environmental testing, providing a wide range of analytical......
Crop Nutrition Laboratory Services service 2023/08/08
SoilGrids250m 2.0 - Bulk density aggregated 1000m
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
Quasi-global satellite and observation based precipitation estimates over land, 1981 to near-real time
The Climate Hazards Group InfraRed Precipitation with Station (CHIRPS) data archive is a quasi-global (50S-50N), gridded 0.05 degree resolution, 1981 to near-real time precipitation time series. The terrestrial preciptation estimates, are available in......
UC Santa Barbara dataset 2017/10/26
SoilGrids250m 2.0 - Silt content aggregated 1000m
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
SoilGrids250m 2.0 - Coarse fragments volumetric aggregated 1000m
Coarse fragments volumetric in cm3/dm3 (vol‰) 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......
ISRIC - World Soil Information dataset 2022/03/04
SoilGrids250m 2.0 - Sand content aggregated 5000m
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 - Volumetric Water Content at 33kPa
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 2023/09/22
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 - Volumetric Water Content at 1500kPa aggregated 1000m
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
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
SoilGrids250m 2.0 - Coarse fragments volumetric aggregated 5000m
Coarse fragments volumetric in cm3/dm3 (vol‰) 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......
ISRIC - World Soil Information dataset 2022/03/01
SoilGrids250m 2.0 - Clay content aggregated 5000m
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 - Silt total
X to Y mm fraction of the fine earth fraction*; Y as specified in the analytical method description (e.g. Y = 0.05 mm) (g/100g). ISRIC is developing a centralized and user–focused server database, known as ISRIC World Soil Information Service (WoSIS).......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - Bulk density whole soil - 33 kPa
Bulk density of the whole soil including coarse fragments, 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......
ISRIC - World Soil Information dataset 2023/09/22
SoilGrids250m 2.0 - Soil organic carbon content aggregated 1000m
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 2022/02/07
WoSIS latest - Water retention gravimetric - 6 kPa
Soil moisture content by weight, at tension 6 kPa (pF 1.8) (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 - Organic carbon
Gravimetric content of organic 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 world soil data "as is" •......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - Bulk density fine earth - air dry
Bulk density of the fine earth fraction*, air dried (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" • Share soil......
ISRIC - World Soil Information dataset 2022/06/28
SoilGrids250m 2.0 - Volumetric Water Content at 10kPa aggregated 5000m
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 2022/11/18
WoSIS latest - Phosphorus (P) - Olsen
Measured according to the P-Olsen method: 0.5 M sodium bicarbonate (NaHCO3) solution at a pH of 8.5 to extract P from calcareous, alkaline, and neutral soils (mg/kg). ISRIC is developing a centralized and user–focused server database, known as ISRIC......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Phosphorus (P) - water soluble
Measured in 1:x soil:water solution (mainly determines P in dissolved forms) (mg/kg). 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......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Water retention gravimetric - 10 kPa
Soil moisture content by weight, at tension 10 kPa (pF 2.0) (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 - Phosphorus (P) - Bray I
Measured according to the Bray-I method, a combination of HCl and NH4 F to remove easily acid soluble P forms, largely Al- and Fe-phosphates (for acid soils) (mg/kg). ISRIC is developing a centralized and user–focused server database, known as ISRIC......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Water retention gravimetric - 100 kPa
Soil moisture content by weight, at tension 100 kPa (pF 3.0) (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 - Water retention gravimetric - 500 kPa
Soil moisture content by weight, at tension 500 kPa (pF 3.7) (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 - Bulk density fine earth - oven dry
Bulk density of the fine earth fraction*, oven dry (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" • Share soil......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Water retention volumetric - 33 kPa
Soil moisture content by volume, at tension 33 kPa (pF 2.5) (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 - Bulk density fine earth - field moist
Bulk density of the fine earth fraction*, field moist (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" • Share......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - Cation exchange capacity - buffered at pH8
Capacity of the fine earth fraction* to hold exchangeable cations, estimated by buffering the soil at 'pH8' (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 2022/06/28
WoSIS latest - Phosphorus (P) - Mehlich 3
Measured according to the Mehlich-3 extractant, a combination of acids (acetic [HOAc] and nitric [HNO3]), salts (ammonium fluoride [NH4F] and ammonium nitrate [NH4 NO3]), and the chelating agent ethylenediaminetetraacetic acid (EDTA); considered......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - Bulk density whole soil - oven dry
Bulk density of the whole soil including coarse fragments, oven dry (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......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Electrical conductivity - saturated paste
Ability of a water saturated soil paste to conduct electrical current (ECe) (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......
ISRIC - World Soil Information dataset 2022/06/28
WoSIS latest - Phosphorus (P) - total
Determined with a very strong acid (aqua regia and sulfuric acid/nitric acid) (mg/kg). 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......
ISRIC - World Soil Information dataset 2023/09/22
WoSIS latest - Water retention gravimetric - 200 kPa
Soil moisture content by weight, at tension 200 kPa (pF 3.3) (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 - Water retention gravimetric - 1500 kPa
Soil moisture content by weight, at tension 1500 kPa (pF 4.2) (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 2023/09/22
WoSIS latest - Water retention gravimetric - 33 kPa
Soil moisture content by weight, at tension 33 kPa (pF 2.5) (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 - Water retention volumetric - 500 kPa
Soil moisture content by volume, at tension 500 kPa (pF 3.7) (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 2022/06/28
WoSIS latest - Water retention volumetric - 10 kPa
Soil moisture content by volume, at tension 10 kPa (pF 2.0) (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 - Water retention volumetric - 1500 kPa
Soil moisture content by volume, at tension 1500 kPa (pF 4.2) (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 - Water retention volumetric - 100 kPa
Soil moisture content by volume, at tension 100 kPa (pF 3.0) (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 2022/06/28
SoilGrids250m 2.0 - Soil pH in H2O aggregated 1000m
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
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
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
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
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