Navegando por Autor "Costa, Eduardo Almeida da"

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    Dissertação
    Influência do condicionador de solos nos atributos químicos, microbiológico e produtividade do milho segunda safra
    (Universidade Estadual do Norte do Paraná, 2026) Costa, Eduardo Almeida da; Silva, Marcos Augusto Alves da; https://orcid.org/0000-0002-5570-8677; http://lattes.cnpq.br/4973981237909142; Nicolosi, Mateus Marrafon; http://lattes.cnpq.br/5740779198324583; Kölln, Oriel Tiago; https://orcid.org/0000-0002-8507-9808; http://lattes.cnpq.br/8041626078120100; Osipe, Jethro Barros; https://orcid.org/0000-0001-6453-3090; http://lattes.cnpq.br/9692340257207288; Matsumoto, Leopoldo Sussumu; https://orcid.org/0000-0001-5102-545X; http://lattes.cnpq.br/0857955043436449
    Soil conditioners play a fundamental role in modern agriculture, as they contribute to improved plant development and promote enhancements in soil microbiota, favoring a more balanced and active rhizosphere. In this context, the present study aimed to evaluate the efficiency of peat- and humic acid-based soil conditioners on soil microbiology and chemistry, as well as on the phytochemical parameters of corn (Zea mays L.). The experiment was conducted in a randomized complete block design (RCBD) with four replications. The treatments were as follows: T1 – Control; T2 – Methylobacterium symbioticum; T3 – 100 kg ha⁻¹ of granulated conditioner + M. symbioticum; T4 – 200 kg ha⁻¹ of granulated conditioner + M. symbioticum; T5 – 300 kg ha⁻¹ of granulated conditioner + M. symbioticum; T6 – 100 kg ha⁻¹ of powdered conditioner + M. symbioticum; T7 – 200 kg ha⁻¹ of powdered conditioner + M. symbioticum; T8 – 300 kg ha⁻¹ of powdered conditioner + M. symbioticum; T9 – 100 kg ha⁻¹ of powdered conditioner enriched with Trichoderma asperellum + M. symbioticum; T10 – 200 kg ha⁻¹ of powdered conditioner enriched with T. asperellum + M. symbioticum; and T11 – 300 kg ha⁻¹ of powdered conditioner enriched with T. asperellum + M. symbioticum. In the control treatment, 300 kg ha⁻¹ of urea was applied, while in the treatments containing M. symbioticum, there was a 30% reduction in the urea dose. The following parameters were evaluated: plant height, shoot dry mass (SDM), root dry mass (RDM), microbiological attributes, soil chemical analysis, thousand-grain weight (TGW), and final yield (kg ha⁻¹). It was observed that treatment T11, with 300 kg ha⁻¹ of powdered conditioner + Methylobacterium symbioticum, showed an increase of 1,190.4 kg ha⁻¹ compared to the control. Furthermore, all treatments with soil conditioners promoted improvements in soil microbiological attributes. Therefore, it can be concluded that soil conditioners play an important role, and the best treatment among those evaluated was the one containing powdered soil conditioner enriched with Trichoderma asperellum + Methylobacterium symbioticum.