Growth, nutrition and production of dry matter of Kikuyu Grass (Brachiaria humidicula) as a function of Mn-fertilizer

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dc.creatorArruda, Everton Martins
dc.creatorFlores, Rilner Alves
dc.creatorDamin, Virginia
dc.creatorGonçalves, Rosana Alves
dc.creatorSantos, Carlos Leandro Rodrigues dos
dc.creatorZucchi, Marcelo Ribeiro
dc.creatorGonçalves, Gustavo de Melo Oliveira
dc.creatorBarbosa, Ricardo Alexandre Florentino
dc.date.accessioned2025-04-04T18:01:09Z
dc.date.available2025-04-04T18:01:09Z
dc.date.issued2016
dc.description.abstractManganese (Mn) is important to increase forage crop yields. However, there is little information regarding the adequate Mn-fertilizer rates for Brachiaria humidicula species. The objective of this research was to evaluate the effect of manganese on growth, nutrition and yield of Brachiaria humidicula. The study was carried out in a green house in a randomized block design with five rates of manganese (0, 15, 30, 60 and 120 mg dm-3) and four replicates. Were evaluated plant height, leaf area, relative chlorophyll index, dry matter production, manganese accumulation and content, besides absorption efficiencies and transport and use of manganese (Mn). Brachiaria humidicula showed high tolerance to this nutrient, because the application of only 120 mg dm-3 to the soil was phytotoxic, showing symptoms such as brown spots and leaf tip curling. Manganese applied at a dose of 120 mg dm-3 reduced aerial part biomass yield by 25% and promoted lower efficiency of use of this nutrient by the forage by 49%. However, even with the initial content of manganese in the soil considered sufficient to meet nutritional demands to achieving high yields, the application of 60 mg dm-3 of manganese to the soil is recommended.
dc.identifier.citationARRUDA, Everton Martins et al. Growth, nutrition and production of dry matter of Kikuyu Grass (Brachiaria humidicula) as a function of Mn-fertilizer. Australian Journal of Crop Science, Brisbane, v. 10, n. 4, p. 556-564, 2016. DOI: 10.21475/ajcs.2016.10.04.p7364x. Disponível em: https://www.cropj.com/arruda_10_4_2016_556_564.pdf. Acesso em: 19 mar. 2025.
dc.identifier.doi10.21475/ajcs.2016.10.04.p7364x
dc.identifier.issn1835-2693
dc.identifier.issne- 1835-2707
dc.identifier.urihttp://repositorio.bc.ufg.br//handle/ri/27150
dc.language.isoeng
dc.publisher.countryAustrália
dc.publisher.departmentEscola de Agronomia - EA (RMG)
dc.rightsAcesso Aberto
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectMicronutrients
dc.subjectPastures
dc.subjectPhytotoxicity
dc.subjectFertilization
dc.subjectPlant nutrition
dc.titleGrowth, nutrition and production of dry matter of Kikuyu Grass (Brachiaria humidicula) as a function of Mn-fertilizer
dc.typeArtigo

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