Abstract
Different samples of soil were collected in two sugarcane crops in the Veracruz Region at two different depths. A transient method called hot ball was used to analyze the thermal conductivity of sugarcane soils for analyzing the influence of thermal conductivity on the soil quality index. Thermal conductivity results indicated a low thermal conductivity ranging from 1.81 × 10−1 to 3.15 × 10−1 Wm−1 K−1. Global chemical composition and organic matter content of the studied soils were presented. Physicochemical parameters were used to perform the soil quality index study. pH results were within the 5–5.5 range, whereas the textural analysis tended to the clayed soil. The soil quality index results suggest a very-low-quality soil. The thermal conductivity was also correlated with the soil quality index. The Pearson correlation coefficient of thermal conductivity against the moisture content showed a coefficient of r = − 0.414 which indicated a close and inverse relationship between both parameters. The sampled results pointed out that the Pearson coefficient for thermal conductivity against nitrate and phosphate was higher than the other chemical components, suggesting that the presence of fertilizer increased the thermal conductivity of the studied soil.
Published Version
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