Panicum maximum cultivars for use in integrated agricultural production systems in Cerrado biome soils

Lucas Ruaro Bublitz; Antonio Leandro Chaves Gurgel; Alexandre César Mauri; Vitor Cardoso Queiroz; Kermilly de Souza Lima; Itália Bianca Reis Campelo; Marcos Jácome de Araújo; Tairon Pannunzio Dias‐Silva; Juliana da Silva Barros; Isadora Osório Maciel Aguiar; Gelson dos Santos Difante; Luís Carlos Vinhas Ítavo

doi:10.1111/grs.12423

journal article May 12, 2024

Panicum maximum cultivars for use in integrated agricultural production systems in Cerrado biome soils

Lucas Ruaro Bublitz Antonio Leandro Chaves Gurgel

Alexandre César Mauri Vitor Cardoso Queiroz Kermilly de Souza Lima Itália Bianca Reis Campelo Marcos Jácome de Araújo

Tairon Pannunzio Dias‐Silva Juliana da Silva Barros

Isadora Osório Maciel Aguiar Gelson dos Santos Difante

Luís Carlos Vinhas Ítavo

Grassland Science Vol. 70 No. 3 pp. 121-129 · Wiley

View at Publisher Save 10.1111/grs.12423

Abstract

AbstractIntegrated production systems have been an alternative for diversifying agricultural production, and therefore, it is necessary to study tropical forage grasses that can impact both straw production and soil organic matter, as well as benefit animal production. The objective of this work was to evaluate the productive characteristics and accumulation of nutrients in the biomass of grasses of the genus Panicum grown in the off‐season, in Cerrado biome soil as cover plants for use in integrated production systems. It evaluated different grasses of Panicum maximum: Aruana, Tamani, and Massai guinea grasses, distributed in a randomized block design with four replications of each grass. The productive characteristics, mineral accumulation, and carbon/nitrogen (C/N) ratio in the biomass of the cultivars were evaluated. No cultivar effect was observed for forage mass (3997.4 kg/ha DM). However, the largest (p = 0.0077) leaf blade masses were observed in the Massai and Tamani guinea grasses. On the contrary, the Aruana guinea grass exhibited the highest value (p = 0.0001) for stem mass, reflected in a higher (p = 0.0001) leaf/stalk ratio in the Massai and Tamani guinea grasses. No effect (p > 0.05) of the cultivar on micronutrients, magnesium, and phosphorus concentrations was observed. However, the Aruana guinea grass presented higher concentrations of calcium and sulfur; on the other hand, potassium values were higher in the Massai and Tamani guinea grasses. The Massai guinea grass exhibited a higher (p = 0.0214) C/N ratio, while the Aruana guinea grass recorded lower values, with no significant differences between these cultivars and Tamani guinea grass. The Tamani and Massai guinea grasses stand out as recommended choices for cultivation during the off‐season in Cerrado biome soils as cover crops in integrated production systems.

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Details

Published: May 12, 2024
Vol/Issue: 70(3)
Pages: 121-129
License: View

Authors

L

Lucas Ruaro Bublitz