Application of biosolid and wastewater as nutritional sources for Eucalyptus clones development
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The use of sewage sludge (Biosolid) and wastewater as sources of nutrients for the development of eucalyptus plants brings the possibility of maintaining or increasing the productivity of this species. In addition, it can provide a more suitable purpose for urban waste by promoting the recycling of nutrients. The present work aimed to evaluate the nutritional potential of biosolids (sludge) and wastewater in the initial development of Eucalyptus urograndis plants. The experimental design used was in randomized blocks, consisting of 5 blocks and 4 treatments: Conventional fertilization or control (NPK); irrigation with wastewater (WW); Incorporation of sludge with 25% of the soil volume (B25); Incorporation of sludge with 50%of the soil volume (B50). The experiment lasted 120 days. Biometric analyzes and macro and micronutrient contents were performed in the leaves, stem and roots. The application of sludge and wastewater as nutritional sources showed promising results for the initial development of eucalyptus. Among the treatments, the incorporation of sludge was highlighted, and the application of 25% of the biosolid was efficient to supply the nutritional demand of plants.
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hydric resource, organic nutrition, plant growth, sewage sludge, silviculture
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Inglês
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Australian Journal of Crop Science, v. 19, n. 2, p. 128-135, 2025.
