Falker Chlorophyll Index and agronomic characteristics of corn - da Silva Umbelino, Anderson;Prolo Massola, Mateus;dos Reis, Elton Fialho
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Maize is a nitrogen-demanding crop, which makes it the most limiting nutrient for productivity and usually requires the use of nitrogen fertilization as a top dressing. The aim of this study was to evaluate the Falker Chlorophyll Index and the agronomic characteristics of the maize crop at different fertilizer doses. The work was carried out in the experimental area of EMATER in the municipality of Anápolis. The design used was a randomized block design (DBC) arranged in a 2x5 factorial scheme, with four replications, totaling 40 experimental units, consisting of two modes of application for…mehr

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Produktbeschreibung
Maize is a nitrogen-demanding crop, which makes it the most limiting nutrient for productivity and usually requires the use of nitrogen fertilization as a top dressing. The aim of this study was to evaluate the Falker Chlorophyll Index and the agronomic characteristics of the maize crop at different fertilizer doses. The work was carried out in the experimental area of EMATER in the municipality of Anápolis. The design used was a randomized block design (DBC) arranged in a 2x5 factorial scheme, with four replications, totaling 40 experimental units, consisting of two modes of application for fertilization and five doses of top dressing. Stalk diameter, plant height, Falker chlorophyll index, dry mass and yield were determined. Among the agronomic attributes analyzed, only chlorophyll did not show a statistically significant influence, according to the changes in the doses of N. The application of the doses of N provided an increase in the diameter of the stalk and plant height upto the dose of 125 kg ha-¹ and 100 kg ha-¹, respectively, and the highest values of dry mass and grain yield consisted of the application of 200 kg ha-¹.
Autorenporträt
Ingegnere agrario presso l'Università statale di Goiás (2017). Attualmente è iscritto al programma di Master in Ingegneria Agraria (Ingegneria dei Sistemi Agroindustriali) presso il Campus di Scienze Esatte e Tecnologiche dell'Università Statale di Goiás. Negli ultimi anni ha presentato relazioni ai principali eventi nel campo dell'ingegneria agraria.