Andre Luiz de Freitas Espinoza

Potential of Composted Macrophytes as a Sustainable Organic Fertilizer: Environmental and Agronomic Insights

Paulo Sergio Costa Trindade, Andre Luiz de Freitas Espinoza, João Henrique Silva da Luz, Ingrid Martins Stelutti et autres

Abstract This study evaluated the agronomic potential and environmental impact of a macrophyte-based fertilizer (OMF) in maize cultivation. OMF was previously characterized in accordance with regulatory standards and applied to sandy loam and clayey soils at six rates (0, 2, 4, 6, …

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Agronomic performance of maize and cover crops using composted sewage sludge to supply phosphorus

Nathércia Castro Elias, João Henrique Silva da Luz, Raimunda Eliane Nascimento do Nascimento, Philippe Solano Toledo Silva et autres

Abstract The application of composted sewage sludge (CSS) in crop production offers a sustainable solution for nutrient recycling and reducing reliance on mineral fertilizers. This study evaluated the residual effects of CSS on phosphorus (P) bioavailability and agronomic performance of maize and …

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Sewage sludge-based organomineral fertilizer improves phosphorus efficiency in Urochloa brizantha

Andre Luiz de Freitas Espinoza, João Henrique Silva da Luz, Tiago Tezotto, Paulo Sérgio Pavinato

ABSTRACT Sewage sludge (SS) from wastewater treatment has reasonable phosphorus (P) levels, which could be used as fertilizer in agriculture. However, SS-P content is lower than mineral fertilizers, which limits its operational application. The blend of organic and mineral material can increase …

Physico-Chemical Properties and Phosphorus Solubilization of Organomineral Fertilizers Derived from Sewage Sludge

Andre Luiz de Freitas Espinoza, Henrique Rasera Raniro, Camille Nunes Leite, Paulo Sérgio Pavinato

Sewage sludge (SS) is an organic waste that may potentially be used as a slow-release source of phosphorus (P), despite the necessity for pre-treatment and its lower P content compared to soluble mineral fertilizers. For these reasons, composted sewage sludge was used …

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Physico-Chemical Properties and Phosphorus Solubilization of Organomineral Fertilizers Derived From Sewage Sludge

Andre Luiz de Freitas Espinoza, Henrique Rasera Raniro, Camille Nunes Leite, Paulo Sérgio Pavinato

Sewage sludge is an organic waste generated in waste-water treatment plants with certain content of nutrients, what may potentially be used as a source of slow release fertilizer, especially as phosphorus (P) source, but it demands some pre-treatment and the content of …

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Potencial agronômico de fertilizantes organominerais a partir da compostagem de lodo de esgoto

Andre Luiz de Freitas Espinoza

Potencial agronômico de fertilizantes organominerais a partir de lodo de esgoto / Andre Luiz de Freitas Espinoza.--versão revisada de acordo com a resolução CoPGr 6018 de 2011 Piracicaba, 2023.96 p. Dissertação (Mestrado) --USP / Escola Superior de Agricultura "Luiz de Queiroz".1. Recuperação …