Forage accumulation, tillering and bromatological characteristics of Brachiaria grass under nitrogen fertilization

Machado, Silvia Layse Mendes; Sales, Eleuza Clarete Junqueira de; Reis, Sidnei Tavares dos; Mesquita, Virgílio Gomes; Carvalho, Zaqueu Gonçalves; Monção, Flávio Pinto; Gomes, Edilane Aparecida da Silva; Queiroz, Domingos Sávio; ll, Antônio Carlos Ribeiro Lima

doi:10.15361/1984-5529.2017v45n2p197-203

Cited by 6 publications

(5 citation statements)

References 15 publications

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“…Resultados positivos com a aplicação de doses crescentes de N em braquiária [25][26][27][28], ocorrem devido ao nitrogênio ser o nutriente que mais afeta a produção de matéria seca de Brachiaria brizantha cv. Marandu [29].…”

Section: Figura 2 Resultados Médios Da Altura (A) E Número De Perfilh...unclassified

Adubação nitrogenada na implantação de Brachiaria brizantha cv. Marandu em Humaitá-AM

Martins

Pereira²,

Kikuti³

2022

Sci. Plena

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O baixo aporte tecnológico nas propriedades rurais no sul do Amazonas, principalmente relacionado à fertilidade do solo, é um dos principais fatores que dificultam a manutenção de elevadas produtividades em pastagens. Assim, no presente estudo, objetivou-se avaliar o crescimento de Brachiaria brizantha cv. Marandu submetida a diferentes doses de nitrogênio. Foi realizado ensaio em campo, sobre Cambissolo Háplico alítico, com preparo convencional do solo e submetido à calagem. As parcelas foram arranjadas sob delineamento de blocos completos casualizados, com quatro repetições, onde foram aplicados os tratamentos, sendo cinco níveis de adubação nitrogenada: 0, 50, 100, 150 e 200 kg ha-1 de nitrogênio. Utilizou-se parcelas de 3 x 4 m, totalizando 12 m2. O corte de uniformização ocorreu 70 dias após a semeadura, quando se realizou também a adubação nitrogenada. Após 35 dias da aplicação do nitrogênio, realizou-se o primeiro corte das plantas e após o mesmo intervalo procedeu-se o segundo corte. Em ambos os cortes foram avaliados o número de perfilhos, a relação folha/colmo, a massa seca da parte aérea e a altura de plantas. A dose equivalente a 100 kg ha-1 de nitrogênio proporciona maior crescimento de Brachiaria brizantha cv. Marandu.

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Section: Figura 2 Resultados Médios Da Altura (A) E Número De Perfilh...unclassified

Adubação nitrogenada na implantação de Brachiaria brizantha cv. Marandu em Humaitá-AM

Martins

Pereira²,

Kikuti³

2022

Sci. Plena

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“…In this experiment, the species were cultivated in monocultures and Urochloa decumbens responded better to the addition of goat and cattle manure, which can be explained by the type of nutritional strategy used by this species. It responds positively to the addition of nitrogen and phosphorus (HEINRICHS et al, 2013;MACHADO et al, 2017;AVELINO et al, 2019), and is limited by mineral phosphorus in the Brazilian Cerrado (LANNES et al, 2016). Nitrogen enrichment often results in a higher phosphorus absorption because it stimulates plant strategies for phosphorus acquisition, as release of enzymes (e.g.…”

Section: Discussionmentioning

confidence: 99%

Effects of animal manure upon growth of Cerrado plants

Ferreira

Viñales

Silva

et al. 2020

RICA

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Through excretion, animals return to the soil part of the nutrients they ingest. This input can be an alternative to artificial inorganic fertilization aiming at increasing soil nutrient concentrations in degraded areas that are prone to restoration. In nutrient-poor soils, the addition of animal manure can promote increases in soil fertility, but studies assessing its effects upon plant communities are meager. This study aims at checking whether the addition of manure originated from livestock promotes plant growth increase and enzyme activity in Cerrado native plants of different functional groups as a way to subsidize processes of environmental recuperation in degraded areas using organic fertilization of an easily available source, as animal manure. The experiment was conducted in a screenhouse through a completely randomized design with four manure and six species treatments with three replicates. Manure treatments used were control, cattle, sheep and goat manure. The plant species selected belonged to main Cerrado herbaceous functional groups – two naturalized grasses, two alien invasive grasses, a legume herb and a Malvaceae herb. Phosphorus and nitrogen concentrations, and N:P ratios varied according to the type of manure. Soil organic matter content, phosphorus and potassium concentrations increased upon manure addition. Different manure types promoted various effects in height, biomass and acid phosphatase activity amongst the plants. Goat and cattle manure positively influenced Urochloa decumbens, an exotic invasive grass living in the Cerrado, whereas sheep manure addition promoted increase of non-invasive grasses. These results show that animal manure can promote better nutrient conditions for plants living in degraded areas, but the selection of the manure type for application in restoration projects aiming at aiding plant growth in Cerrado degraded areas will depend on the purpose of the project because different dung types benefit different plant functional groups.

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“…Increased forage production through nitrogen fertilization of pastures was mentioned by other authors (Lobo et al, 2014;Rezende et al, 2015;Machado et al, 2017). Research, Society and Development, v. 9, n. 10, e3399108578, 2020 (CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v9i10.8578…”

Section: Fresh and Dry Massmentioning

confidence: 93%

“…Research, Society and Development, v. 9, n. 10, e3399108578, 2020 (CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v9i10.8578 Machado et al (2017) when working with nitrogen fertilization (400 kg ha -1 year -1 ), in condition of medium soil fertility, with Brachiaria (Urochloa decumbens Stapf), obtained an increase of 51,53% in dry mass, a percentage lower than that obtained in this research (685%), proving the high productive response of grass plants to fertilization in conditions of chemically degraded soil.…”

Section: Fresh and Dry Massmentioning

confidence: 99%

Nitrogen fertilization in Brachiaria decumbens Stapf grass under degraded soil condition

Silva

Dias

et al. 2020

RSD

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Chemically degraded soils are found all over the world. Fertilization is an essential agronomic technique for recovering fertility and productivity in these areas. In this context, the objective was to recover the productive capacity of a degraded Red Yellow Argisol, grown with Brachiaria decumbens Stapf, in the presence of mineral fertilization with increasing amounts of nitrogen, evaluating the production of plant mass, plant height, tillering and water consumption. The experiment was conducted in a screened shelter and humidity control, according to a completely randomized experimental design. The treatments were organized in a factorial scheme, 6 treatments (without fertilization, 0, 30, 60, 90, 120 of nitrogen; 80 and 50, phosphorus and potassium for all treatments in g vase-1, respectively) corresponding to the amount of fertilizer applied in Kg ha-1, 4 cuts (performed every 30 days, starting 45 days after planting) and 5 repetitions. When fertilizing with 120 Kg ha-1 of nitrogen, it was obtained increase in fresh (655%) and dry (685%) mass when compared to the phytomasses of the treatment without fertilization, there was also an increase in the number of effective tillers and plant height, as the amounts of nitrogen applied increased in the soil. The maximum amount of nitrogen to be applied to the soil, in order to produce phytomass of B. decumbens in the condition of chemical degradation of the soil, obtained in the work was 120 Kg ha-1. In addition, the work allowed us to conclude that fertilization is an inexpensive and very important technique to recover the productive capacity of forage in the micro region of Brejo Paraibano, Northeast Brazil.

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Forage accumulation, tillering and bromatological characteristics of Brachiaria grass under nitrogen fertilization

Cited by 6 publications

References 15 publications

Adubação nitrogenada na implantação de Brachiaria brizantha cv. Marandu em Humaitá-AM

Adubação nitrogenada na implantação de Brachiaria brizantha cv. Marandu em Humaitá-AM

Effects of animal manure upon growth of Cerrado plants

Nitrogen fertilization in Brachiaria decumbens Stapf grass under degraded soil condition

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