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Revista U.D.C.A Actualidad & Divulgación Científica

versão impressa ISSN 0123-4226


TORRES-LOZADA, Patricia et al. INFLUENCE OF BIOSOLIDS APLICATION ON SOIL, PLANT AND QUALITY AND PRODUCTIVITY OF SUGARGANE CROP. rev.udcaactual.divulg.cient. [online]. 2015, vol.18, n.1, pp.69-79. ISSN 0123-4226.

Biosolids have great utilization potential in the agricultural sector due to its content of organic matter and nutrients. This research evaluated over a period of twelve months and at pilot scale, the influence of the application of biosolids from one wastewater treatment plant on the soil quality, the morphological characteristics of the plant, the quality of product reflected in degrees brix, sucrose and reducing sugars and the crop yield in terms of tons per hectare of a sugarcane crop. The study was executed in a complete blocks modality at random form with 3 treatments: soil without nutrients application and mineral fertilization, and with biosolids application with 3 replications per treatment. It was found that the application of biosolids did not alter the microbiological and parasitological quality of the soil with regard to sanitary interest variables. Organic matter, mineral nitrogen, phosphorus and potassium concentrations, were found in the range of the soils of the Valle del Cauca; morphological features of the plant were found in the typical range of the variety used and the crop yield regarding sucrose, brix degrees and reducing sugars did not show significant statistical differences between the application of biosolids and mineral fertilization, thus ratifying the feasibility of the use of biosolids for agricultural application.

Palavras-chave : Biosolids; reducing sugars; Saccharum officinarum; sucrose; vertic endoaquepts soil.

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