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November 2019 Vol. 7 No.11

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Minh VQ
Tri LQ

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Merit Research Journal of Agricultural Science and Soil Science (ISSN: 2350-2274) Vol. 7(11) pp. 145-155, November, 2019

Copyright © 2019 Merit Research Journals
DOI: 10.5281/zenodo.3555492

Original Research Article

Pedotransfer Function for Predicting Orchard Organic Carbon Soil in Haugiang Province, Vietnam


Vo Quang Minh1*, Le Van Khoa2, Thai Thanh Du1, Pham Thanh Vu1, Le Quang Tri1


1Department of Land Resources, Cantho University, Vietnam
2Department of Scientific Researchers Affair, Cantho University, Vietnam

*Corresponding Author’s Email: vqminh@ctu.edu.vn
Tel: +84913604101

Accepted November 18, 201




The soil organic carbon content played an important role in soil fertility, then fruit yield and quality. The prediction of soil organic carbon in the fields at wider regions requires a large number of samples that are costly to analyze. The objective of this study was to apply pedotransfer function to quantify soil colour concerning soil organic carbon from 82 soil samples. A case study in Haugiang province, Vietnam. The results showed that there has a complicated relation to soil properties. Soil colour has the same Munsell Hue, but there is different between Munsell Value and Chroma when the soil has at the same humidity. Organic Carbon content ranged from 1,32 to 5,6%. There was negative significant correlation between organic C content and Munsell soil color, such as with Munsell Value (r = -0,75** air-dry, r = -0,74** moist); Munsell Chroma (r= -0,55** air-dry, r = -0,66** moist). Since, Visual soil colour assessment is useful predictors of organic C content, especially for topsoil. This study indicates that soil organic content can be predicted by using Munsell soil colours for visual field measurements on the old raised bed soils at the moist condition, which can be used for field soil fertility degradation recommendation. However, more study of pedotransfer function on other soils condition must be correlated for further recommendation.

Keywords: Pedotransfer function, Munsell, Soil colour, Organic carbon, Correlation







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