The use of pedo-transfer functions for estimating soil organic carbon contents in maize cropland ecosystem in the Coastal Plains of Tanzania

Soil organic carbon (OC) plays a vital role on physico-chemical and biological properties of soils and on climate change regulation. The use of pedo-transfer functions from easily available soil properties for estimating soil OC could be fast and cheap when considering field and laboratory work impl...

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Bibliographic Details
Published in:Catena (Giessen) 2019-01, Vol.172, p.163-169
Main Authors: Mwango, S.B., Wickama, J., Msanya, B.M., Kimaro, D.N., Mbogoni, J.D., Meliyo, J.L.
Format: Article
Language:English
Subjects:
Coastal plains
Maize cropland
Pedo-transfer functions
Soil organic carbon
Soil properties
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Summary:Soil organic carbon (OC) plays a vital role on physico-chemical and biological properties of soils and on climate change regulation. The use of pedo-transfer functions from easily available soil properties for estimating soil OC could be fast and cheap when considering field and laboratory work implications especially in Sub Saharan Africa including Tanzania. This paper attempts to develop a model for estimating soil OC contents under maize croplands ecosystem using pedo-transfer functions from soil texture. A total of 100 epipedon data entries were randomly collected from the previous soil sampling works that were conducted under maize croplands in coastal plains of Tanzania. Eighty percent of the collected data were used for training the model by using multiple regression analysis while the remained 20% were used to validate the model. The results indicated that, clay and silt had significant (p 
ISSN:0341-8162
1872-6887
DOI:10.1016/j.catena.2018.08.031