Soil characteristics and their influence on the growth of Eucaliptus urograndis plantations in the Ucayali region
DOI:
https://doi.org/10.54353/ritp.v2i2.e003Keywords:
Eucaliptus, soil, correlation, characteristicsAbstract
The study evaluated the soil characteristics that influence the growth of the Eucalyptus urograndis species in commercial forest plantations by characterizing soils in the field and in the laboratory in 18 representative sampling plots in three growth strata. The results of the characterization of the soil profiles in the 3 growth strata indicate that the species favors good growth in deep developed soils, with very shallow A genetic horizons well developed alluvial B horizon and C in the process of formation, depth effective over 40 cm, good drainage, granular and blocky structure, with textures ranging from loam, sandy loam and loamy sand. Growth is limited in shallow, poorly drained soil. According to the statistical correlation and regression analyzes, they indicate that the content of the sand fraction in the soil is related to growth, thus showing a moderate positive correlation of 52% and a moderate negative correlation of -53% silt fraction and -44 % hydrogen exchangeable. The linear models for predicting the growth in diameter as a function of the sand, silt and exchangeable hydrogen fraction are significant at 99% and comply with the assumptions of the model by analyzing the residuals.
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Copyright (c) 2022 José Valdez Campos, Fernando Delgado Monsalve, Kevin Isaac Rodriguez Vasquez, Steve Garrido Pérez, Edward Tangoa Tuesta
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