2019•IRDOpen access
Soil carbon content, bulk densities, allophane and MIRS data on Aquiares Watershed (Costa Rica)
Tiphaine Chevallier, Kenji Fujisaki, Olivier Roupsard, Florian Guidat, Rintaro Kinoshita, Elias De Melo Viginio Fihlo, Peter Lehner, Alain Albrecht
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Abstract
Data set used for a paper published in SOIL (2019) Short-range-order minerals as powerful factors explaining deep soil organic carbon stock distribution: the case of a coffee agroforestry plantation on Andosols in Costa Rica. Data comprised : Sheet 1 geographical coordinates, elevation of 72 soil profiles located in the watershed of the Aquiares Farm (1km2) ; Sheet 2: measured data for C content, C:N ratio, oxalate and sodium-pryphosphate extractable forms of Al, Fe and Si ; Sheet 3 : 4 replicates of measured bulk densities on 9 soil profiles; Sheet 4 : Mid infrared spectra of the 598 soil samples from the 72 soil profiles (a,b, c, d, e , f ,g, h are the soil depths; each 10cm from 0 to 200 cm deep). Sheet 5 : predicted values for C content, C stock, bulk densities and oxalate and sodium-pryphosphate extractable forms of Al, Fe and Si ; and belonging to measured and spectral cluster (see the paper in SOIL for explanation)