Plantas de cobertura nas entressafras soja-trigo e soja-soja

Adami, Paulo Fernando; Colet, Rodrigo Antonio; Lemes, Elisa Souza; Oligini, Karine Fuschter; Batista, Vanderson Vieira

doi:10.34117/bjdv6n3-505

Cited by 8 publications

(7 citation statements)

References 5 publications

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“…RG is a perennial species (Zanatta et al, 2014) and JB has a growth cycle of 170 to 200 days (Calegari & Carlos, 2014). In contrast, Adami et al (2020) has previously observed DM productions of 11,419 kg ha -1 and 5,400 kg ha -1 for B. ruziziensis and 6,850 kg ha -1 and 4,342 kg ha -1 for millet at 94 and 170 days, respectively, thereby highlighting the importance of the effect of phenological stage in the production of DM, as at the time of analysis, millet was already undergoing natural decomposition, whereas B. ruziziensis had reached the stage of full development.…”

Section: Resultsmentioning

confidence: 90%

“…Owing to differences in water precipitation over the periods evaluated, differences have been reported with respect to reductions in DM in studies that have examined the growth of P. americanum and B. brizantha cv. Marandu (Torres et al, 2008) and of P. americanum and B. ruziziensis (Adami et al, 2020). Significant reductions in PH have DAS: days after seeding; SFR: simple fluorescence ratio (channel of excitation: G = green; R = red); Treat.…”

Section: Resultsmentioning

confidence: 99%

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Performance of cover crops under two irrigation regimes in the Coastal Tablelands region of Brazil

et al. 2021

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There is currently a lack of information regarding the performance of cover crops grown in the Coastal Tablelands region in the North of the Brazilian state of Espírito Santo, where zero tillage is increasingly being adopted. The objective of this study was to evaluate the agronomic performance of six cover crops (ruzi grass, jack bean, and the millets ADR 300, ADR 500, ADRf 6010, and BRS 1501) under two irrigation regimes. A field experiment setup was based on randomized blocks with split plots and four repetitions. Shoot dry matter content, plant height, leaf area, chlorophyll fluorescence, and root growth of the cover crops were evaluated. The irrigation regime influences the agronomic performance of most of the cover crops, with the exception of jack bean and ADRf 6010 millet, which were tolerant to water deficiency, based on our evaluations of the variables shoot dry matter, plant height, and leaf area. In terms of biomass production, ADRf 6010 millet is the most suitable crop for use in conservation systems under conditions of water stress in this region.

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Section: Resultsmentioning

confidence: 90%

Section: Resultsmentioning

confidence: 99%

Performance of cover crops under two irrigation regimes in the Coastal Tablelands region of Brazil

et al. 2021

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“…Studies with cover crops showed greater use of nitrogen and productive gains in rice (SILVA et al, 2016), increased phytomass and, consequently, corn productivity (CARVALHO et al, 2015), reduction of weed infestation in soybean and millet (ADAMI et al, 2020) and nitrogen accumulation (N) and increased agronomic performance of common bean (OLIVEIRA et al, 2017). Thus, the use of cover crops in agricultural systems has been incorporated as a sustainable strategy, enabling the reduction of the use of agrochemicals and, consequently, production costs, growth and increase in productivity (REZENDE et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Bioagents and Mix of Cover Plants Affecting Soybean

et al. 2023

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The search for cultivation practices that provide productive, social and environmental benefits to the agroecosystem is of great importance for the sustainable intensification of agriculture. The objective of this study was to determine the effect of multifunctional microorganisms (MM) and mix of cover crops on gas exchange, production components and grain yield of soybean. In the field experiment, conducted by two growing seasons, the experimental design of randomized blocks in factorial scheme 8x2 was used, with four replications. The treatments were composed by the combination of eight vegetal cover and the use or not of MM. The vegetal cover were composed of: 1. Fallow, 2. Corn, 3. Mix 1 (white lupine, buckwheat, white oats, black oats, Crotalaria ochroleuca, C. juncea, turnip, coracana grass, white lupine), 4. Mix 2 (millet, C. ochroleuca, black oats, white oats, buckwheat, coracana grass), 5. Mix 3 (Millet, C. ochroleuca, black oats, white oats, buckwheat, coracana grass), 6. Mix 4 (C. spectabilis, buckwheat, millet and C. breviflora), 7. Mix 5 (oats, buckwheat, millet, piatã grass and C. Ocholeuca); and 8. Mix 6. (black oats, turnip forage, white lupine, coracana grass, buckwheat). The MM consortium used was Serratia marcenses (BRM 32114) + Bacillus sp. (BRM 63573). Soybean plants coinoculated with (BRM 32114) + (BRM 63573) showed an increase in photosynthetic rate (16.65%), stomatal conductance (37.50%), internal CO2 concentration (10%), number of pods per plant (15%), mass of 100 grains (4.04%) and grain yield (14.83%). However, no differences were observed in soybean plants grown in succession to the mix of cover crops, except for the number of grains per pod. Therefore, in this study, the highlight was the consortium of multifunctional microorganisms, technology considered strategic for the sustainable intensification of agriculture.

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“…Currently, the development of sustainable technologies in tropical agriculture is an indispensable condition for facing agricultural challenges and increasing productivity, as erosive processes and decomposition rates of organic matter are potentiated due to high temperatures (Michelon et al, 2019). In addition, the cultivation of reduced number of commodities such as soybean, cotton and corn results in serious agronomic problems such as soil exhaustion and incidence of pests and diseases, which can lead to the collapse of productive systems, since the soil becomes unproductive and production costs impractical (Adami et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

“…The beneficial effect of the use of cover crops was reported by Adami et al (2020), in which they observed an increase in soybean and wheat productivity, at the same time as the suppression of Buva (Conyza bonarensis); L. S. Pereira et al (2020)which reported increased grain yield of cowpea planted in succession; and Anschau et al (2018), which showed improvements in soil physical properties, macroporosity and density, as well as high soybean productivity in succession to black oat cultivation, vetch and turnip, unmarried or intercropped. In recent decades, the use of more than one type of cover plant in the same area has been tested, since the diversity of plants with well contrasting characteristics in their root systems explores different soil depths.…”

Section: Introductionmentioning

confidence: 99%

Plantas de cobertura inoculadas com microrganismos multifuncionais na entressafra em sistemas de produção da região do Cerrado

Frasca,

Rezende,

Silva

et al. 2023

Sem. Ci. Agr.

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Práticas agrícolas, como o uso de plantas de cobertura inoculadas com microrganismos, objetivam transformar os sistemas produtivos em ecossistemas sustentáveis, uma vez que reduzem os impactos negativos ao ambiente e os custos de produção e, ao mesmo tempo, incrementam a produtividade das culturas principais por meio da melhoria nos atributos do solo. Este estudo objetivou determinar o efeito da aplicação de rizobactérias benéficas em plantas de cobertura cultivadas na entressafra, no acúmulo de nutrientes por essas plantas e no controle de plantas daninhas. Os experimentos foram conduzidos em área experimental em Santo Antônio de Goiás, Goiás, nas safras 2020, 2021 e 2022, com delineamento em blocos casualizados, no esquema fatorial 2x8 e quatro repetições. Os tratamentos consistiram na combinação de 8 coberturas vegetais ((1. pousio/plantas daninhas), 2. Milho, 3. Mix 1 (Tremoço Branco, Trigo Mourisco, Aveia Branca, Aveia Preta, C. ochroleuca, C. Juncea, Nabo Forrageiro, Capim coracana); 4. Mix 2 (trigo Mourisco, C. spectabiliis, nabo forrageiro, aveia preta); 5. Mix 3 (Milheto, C. ochroleuca, aveita preta, aveia branca, trigo mourisco, Capim coracana); 6. Mix 4 (C. spectabilis, trigo mourisco, milheto e C. breviflora); 7. Mix 5 (Aveia, Trigo Mourisco, Milheto, Piatã e C. Ocholeuca); e 8. Mix 6 (Aveia preta, Nabo Forrageiro, Tremoço Branco, Capim coracana, Trigo Mourisco)) com ou sem microrganismos (rizobactérias Serratia marcencens (BRM 32114) + Bacillus sp. (BRM 63573)). As avaliações consistiram no teor de nutrientes e biomassa seca da parte aérea, utilizando o teste estatístico LSD (p<0,05). Coberturas vegetais, com destaque para milho, mix 4 e mix 5, tratadas com rizobactérias benéficas aumentaram a quantidade de fitomassa, aos 60 dias após o plantio, acúmulo de macronutrientes N, P, K, Ca e Mg e micronutrientes Cu, Fe e Mn em comparação com o tratamento pousio. Maior teor de S foi encontrado nas palhadas do mix 2 e mix 4 e de Zn nas palhadas de milho, mix 4 e mix 5, independentemente do tratamento microbiano. Além disso, as coberturas vegetais proporcionaram reduções na incidência de plantas daninhas. Portanto, cobertura vegetal e microrganismos multifuncionais se destacam como tecnologias sustentáveis, uma vez que a melhoria das condições nutricionais e da quantidade de biomassa seca das plantas de cobertura podem refletir diretamente na disponibilidade de nutrientes para a cultura sucessora e maior proteção e conteúdo de matéria orgânica para o solo.

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Plantas de cobertura nas entressafras soja-trigo e soja-soja

Abstract: Plantas de cobertura nas entressafras soja-trigo e soja-soja Cover plants in soybean-wheat and soybean-soybean offseason

Cited by 8 publications

References 5 publications

Performance of cover crops under two irrigation regimes in the Coastal Tablelands region of Brazil

Performance of cover crops under two irrigation regimes in the Coastal Tablelands region of Brazil

Bioagents and Mix of Cover Plants Affecting Soybean

Plantas de cobertura inoculadas com microrganismos multifuncionais na entressafra em sistemas de produção da região do Cerrado

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