NSIS Soil Dataset

EthioSIS Data

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General Information of the Dataset
Owner	MoA-ATI
Publication Date	2015-2019
Data Type	CSV
Point of Contact	adisumera@gmail.com
Language	English
Spatial Extent	Ethiopia

The Ethiopian Soil Information System (EthioSIS) is a landmark project initiated by the Agricultural Transformation Agency (ATA) and the Ministry of Agriculture of Ethiopia. Since its inception in 2012, the project has collected and analyzed soil samples across the country to develop Woreda-based (district-level) soil fertility maps, which address soil spatial variability and provide site-specific fertilizer recommendations based on the results of soil lab analysis.

The dataset includes about 70,000 records of Ethiopian soil properties collected during the project. Users interested in the data can sign up and request access to the harmonized data.

Contents of the Dataset

Variable Name	Label
Sample ID	Sample Unique Identifier
Na	Sodium extractable with Mehlich III method (mg kg-1)
K	Potassium extractable with Mehlich III method (mg kg-1)
Ca	Calcium extractable with Mehlich III method (mg kg-1)
Mg	Magnesium extractable with Mehlich III method (mg kg-1)
Mn	Managnese extractable with Mehlich III method (mg kg-1)
Cu	Copper extractable with Mehlich III method (mg kg-1)
Zn	Zinc extractable with Mehlich III method (mg kg-1)
P	Phosphorus extractable with Mehlich III method (mg kg-1)
S	Sulfur extractable with Mehlich III method (mg kg-1)
B	Boron extractable with Mehlich III method (mg kg-1)
Fe	Iron extractable with Mehlich III method (mg kg-1)
Al	Aluminium (mg kg-1). NB. As Lab procedures may vary, please see metadata for the specific procedures of the respective Sample IDs.

Variable Name	Label
Si	Silica extractable with Mehlich III method (mg kg-1)
Co	Cobalt extractable with Mehlich III method (mg kg-1)
Mo	Molybdenium extractable with Mehlich III method (mg kg-1)
pH	pH(H₂O) measured in 2:1 solution to soil ratio (pH units)
EC	Electric Conductivity measured in 2:1 solution to soil ratio (dS m-1)
Hp	Exchangeable H+ ExchAcid_ph0-kcl1m (cmolc kg-1)
C	Carbon (weight %). NB. As Lab procedures may vary, please see metadata for the specific procedures of the respective Sample IDs.
N	Total Nitrogen (weight %). NB. As Lab procedures may vary, please see metadata for the specific procedures of the respective Sample IDs.
CEC	Cation Exchange Capacity (cmolc kg-1). NB. As Lab procedures may vary, please see metadata for the specific procedures of the respective Sample IDs.
CaCO₃	CaCO3_acid-hcl-nodc (weight %). NB. As Lab procedures may vary, please see metadata for the specific procedures of the respective Sample IDs.

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EthioSIS Data