2019
DOI: 10.1590/s0100-83582019370100077
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Weed Interference in the Establishment of Urochloa ruziziensis

Abstract: This research aimed to study weed interference relationship on morphogenesis, yield, and greenhouse gas production potential of Urochloa ruziziensis under pasture renovation conditions. The experimental design was a randomized block design with four replications. Treatments consisted of seven coexistence periods: 0, 15, 30, 45, 60, 75, and 90 days after emergence (DAE). The following morphological parameters were analyzed: number of tillers, number of leaves, photosynthetically active leaf blade biomass, fresh… Show more

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Cited by 7 publications
(13 citation statements)
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References 18 publications
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“…& Evrard. ), Lourenço et al (2019) reported that weed community management was also necessary at 15 d of coexistence (PBI) with pasture, which corroborated the behavior recorded for B. brizantha (Marchi et al, 2017) because the dry biomass production of the forage was already altered by coexistence at this time. In this case, the weed community was composed of more species, totaling 10: C. glandulosus; Sena obtusifolia (L.) H.S.…”
Section: Weed Interferencesupporting
confidence: 71%
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“…& Evrard. ), Lourenço et al (2019) reported that weed community management was also necessary at 15 d of coexistence (PBI) with pasture, which corroborated the behavior recorded for B. brizantha (Marchi et al, 2017) because the dry biomass production of the forage was already altered by coexistence at this time. In this case, the weed community was composed of more species, totaling 10: C. glandulosus; Sena obtusifolia (L.) H.S.…”
Section: Weed Interferencesupporting
confidence: 71%
“…However, weeds are not the cause of degradation but rather the inadequate management of extractive cattle farming historically implemented in Brazilian pastures. When installed, weeds negatively interfere with the structure of the forage canopy and the grazing habit of animals (Marchi, Bellé, Foz, Ferri, & Martins, 2017;Bellé, Marchi, Martins, Sousa, & Pinheiro, 2018;Lourenço, Mota, Sanches, Marques, & Marchi, 2019;R. F. Marques et al, 2019;Araújo, Marques, Pinheiro, Souza, & Marchi, 2020), consequently causing economic losses throughout the livestock production chain, pressuring for the opening of new extensive pasture areas (Andrade, Bolfe, Victória, & Nogueira, 2017), in addition to contributing to increased greenhouse gas emissions because of the supply of food with low nutritional value to the animals (Lourenço et al, 2019;Marchi et al, 2019b;Meurer, Brito, Marchi, Pinheiro, & Martins, 2020).…”
Section: The Brazilian Agricultural and Livestock Sector Occupies An Area Of Approximately 350mentioning
confidence: 99%
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“…Considering that gas production varies according to the quantity and quality of the food ingested by the animal and that weeds can influence these two characteristics of tropical forages (MARCHI et al, 2017;BELLÉ et al, 2018;LOURENÇO et al, 2019), this research aimed to study the interference relationships of weeds on productive components, nutritional quality, energy potential, and production potential of GHG by the Convert HD364 grass under pasture renovation conditions.…”
Section: Introductionmentioning
confidence: 99%
“…En condiciones de clima cálido, para U. brizantha, se indica que las medidas de control de malezas se deben realizar a más tardar a los 9 (52) , 15 (48) o 30 (49) días de coexistencia pasto-malezas, mientras que para U. ruziziensis (R. Germ. & C. M. Evrard) Crins, se recomienda controlar la maleza antes de los 22 días de coexistencia (53) .…”
Section: Rehabilitación De Potreros Mediante El Control Químico De Malezasunclassified