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Agricultural productivity depends primarily on the productive capacity of soils. Thus, practices of chemical suitability of the soil aim to changes in their characteristics to provide better conditions for the development of cultures. The present study aimed to evaluate the linear and spatial correlations between the attributes of plant productivity with soil pH. The aim of this study was to evaluate the linear and spatial correlations between the attributes of the plant with soil. In Farm Valencia-I, Suzanapolis-SP, Brazil, a geostatistical grid with 118 sampling points has been installed in an area of 10.5 ha. The attributes of sugarcane analyzed was: productivity of tons of stems per hectare (TSH), plant population (PP) and total recoverable sugars (TRS); and as soil chemical properties: pH (pH) and Delta pH (DpH) at different depths (0-0.20; 0.20-0.40; 0.80-1.00 m). The results indicate that the linear correlation between the attributes of the soil with the plant is significant. The best correlation is between TRS with the pH in the depth of 0.80-1.00 m. Spatially, there is a significant interaction between productivity with the pH of the soil at a depth of 0.20-0.40 m. The DpH depth of 0.80-1.00 m also correlates with the TRS, which allows inferring that best chemical quality in the deepest layer provides better technological quality of industrializable product. The soil study in the deeper layers (0.20-0.40 m and 0.80-1.00 m) indicates interaction (linear and spatial) both productivity and with the technological attribute of sugarcane, presenting as target satisfactory of soil chemical suitability.

CORRELAÇÃO ENTRE COMPONENTES DA PRODUTIVIDADE DA CANA-DE-AÇÚCAR COM pH DE UM ARGISSOLO VERMELHO DISTRÓFICO DO NOROESTE PAULISTA