Soybean yield and nutrition after tropical forage grasses

Costa, Nídia Raquel; Andreotti, Marcelo; Crusciol, Carlos Alexandre Costa; Pariz, Cristiano Magalhães; Bossolani, João William; Pascoaloto, Isabô Melina; Lima, César Gustavo da Rocha; Bonini, Carolina dos Santos Batista; Castilhos, André Michel de; Calonego, Juliano Carlos

doi:10.1007/s10705-021-10157-2

Cited by 13 publications

(14 citation statements)

References 60 publications

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“…On the other hand, although the FPS of soybean after inoculated intercropping was lower, this treatment showed a higher GY ( Table 2 B), with an increase of 12% in grain yield (approximately 423 kg ha −1 ) ( p < 0.05) compared to the non-inoculated treatment. This result can be justified both by the capacity of soybean to produce a greater number of branches to compensate for the lower plant stand and maintain productivity [ 54 , 55 , 56 ], as well as by the greater contribution of residues in this treatment, in this year ( Figure 1 ), which justifies the higher grain yield of soybean in succession due to the benefits that the straw promotes within the system, such as soil protection that maintains moisture [ 57 ] and nutrient cycling [ 11 , 45 , 58 ]. In addition, the higher production of aerial biomass of cover crops suggests greater root growth [ 59 ], an important factor to improve the physical, chemical, and biological conditions of the soil [ 60 , 61 ] and increase the performance of the succession crop [ 11 , 62 ].…”

Section: Resultsmentioning

confidence: 99%

“…The success and consolidation of NT are mainly due to the use of plants adapted to each condition [ 10 ]. Species that produce enough straw to cover the surface of the soil, with a slow degradation rate, should be chosen, but the production and amount of nutrients accumulated in the straw also depend on the management of fertilization, phenological stage of desiccation, C/N relationships and lignin/N, type of soil, and climatic conditions [ 11 ], among others. New technologies, such as biological inoculants for plant growth promotion, have also been adopted as part of an integrated management; however, it is necessary to evaluate the interactions between these biological inputs and factors such as fertilizations and consortia, as well as the effects of these practices on successive crops.…”

Section: Introductionmentioning

confidence: 99%

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Soybean Yield and Nutrition Grown on the Straw of Grain Sorghum Inoculated with Azospirillum brasilense and Intercropped with BRS Paiaguás Grass

Soares

Modesto²,

Nakao³

et al. 2023

Plants

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The adoption of diversified agricultural systems that employ integrated cultural practices appears to be the way to sustainably intensify tropical agriculture. Our objectives were to evaluate the dry matter (DM) accumulation of sorghum inoculated with Azospirillum brasilense, with or without a nitrogen fertilization split, intercropped with palisade grass (Urochloa brizantha cv. BRS Paiaguás), and how these practices influenced the nutrition and development of soybean in succession. The design was a randomized complete block in a 2 × 2 × 3 factorial, consisting of sorghum monoculture cropped or intercropped with palisade grass, sorghum either inoculated or not with A. brasilense, and nitrogen applied at 120 kg ha−1 N only at sowing, only at topdressing, or split—30% at sowing and 70% at topdressing at the beginning of the panicle initiation stage. The residual impacts of these treatments on the following soybean crop were also evaluated. Higher DM yield occurred in sorghum inoculated with A. brasilense, however, this result varied by year. The sorghum–palisade grass intercrop produced a higher amount of straw than sorghum monoculture. The nutrition of soybean was adequate regardless of treatments, but grain yield was higher when the sorghum residue was inoculated. The inoculation of A. brasilense in sorghum intercropped with palisade grass increased yield. The nutrition of soybean was adequate regardless of the treatments, while grain yield was higher on the inoculated sorghum residues. The inoculation of A. brasilense in sorghum intercropped with palisade grass increased DM yield. The intercropping increased the production of biomass for animal grazing and DM for soil coverage. The inoculation of sorghum by A. brasilense and its intercropping with palisade grass contributed to higher soybean yield in succession.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Soybean Yield and Nutrition Grown on the Straw of Grain Sorghum Inoculated with Azospirillum brasilense and Intercropped with BRS Paiaguás Grass

Soares

Modesto²,

Nakao³

et al. 2023

Plants

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“…The use of cover crops increases the rate of biomass input and nutrient cycling while can improve weed suppression and nematode infestation (Canalli et al., 2020; Costa, Andreotti, et al., 2021; Wang et al., 2022). Tropical grasses are among the most popular cover crop used in Brazil, producing high amounts of aboveground and shoot biomass.…”

Section: Introductionmentioning

confidence: 99%

Cover crop diversity for sustainable agriculture: Insights from the Cerrado biome

Souza,

Santos,

Ferreira

et al. 2024

Soil Use and Management

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Brazil is one of the largest soybean producer of the world and the Cerrado biome has played a pivotal role in this expansion. Due to the economic and agronomic challenges associated with the maize production as a second summer crop in this region, cover crops are gaining popularity as a strategy to diversify the agricultural system while enhancing soil health. This study assessed the benefits of single species of cover crops and a mix of cover crop species in between harvest seasons to the soybean grain yield and nematode supression. The study was carried out for three years in two locations within the Cerrado biome. We evaluated six cover crop treatments after soybean cultivation: 1) Mix of cover crops (Pennisetum glaucum, Crotalaria spectabilis, and Urochloa ruziziensis), 2) P. glaucum (Pearl millet), 3) Crotalaria spectabilis, 4) Urochloa ruziziensis (Congo grass) 5) Urochloa brizantha cv. Marandu (Marandu palisadegrass), and 6) Urochloa brizantha BRS Paiaguás (Paiaguás palisadegrass). P. glaucum and U. brizantha cv. Marandu produced highest amounts of biomass on a 3‐year average. In one site, P. glaucum produced more biomass than other cover crops by 210%. Tropical grasses (U. ruziziensis, Marandu, and Paiaguás), along with the cover crop mixture, exhibited intermediate biomass levels in the site with higher P. glaucum biomass production and did not differ from P. glaucum in the other site. Cover crops varied nutrient uptake depending on the species. Decomposition rates varied among cover crops as expected, with C. spectabilis decomposing rapidly and releasing substantial amounts nutrients, particularly nitrogen. In contrast, the cover crop mixture had a slower decomposition. The choice of cover crop significantly influenced soybean population and yield, with some variability across years and locations. The cover crop mixture consistently supported higher soybean populations and yields, highlighting its potential for enhancing soybean production, nutrient cycling, and nematode suppression. It effectively reduced nematode abundance in soybean roots, highlighting its role in nematode management. Our findings emphasize the robustness and versatility of cover crop mixtures in mitigating weather variability across years and sites. They consistently performed well in terms of biomass production, nutrient uptake, soybean yields, and nematode control. This study highlights the vital role of cover crops in the Cerrado ecosystem, enhancing soil health, crop productivity, and environmental sustainability. The choice of cover crop species and mixtures offers a valuable tool for farmers seeking resilient and sustainable agricultural practices amid changing environmental conditions.

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“…The use of cover crops increasing the rate of biomass input, nutrient cycling, and reducing nematode infestation (Canalli et al 2020;Costa et al 2021; Wang et al 2022). Biomass acts as a reservoir of nutrients through the decomposition process, which are made available for next crops (Costa et al 2021).…”

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Cover crop influence on nutrient cycling, nematode population and soybean yield in the Brazilian Cerrado

Souza

Santos

Ferreira

et al. 2023

Preprint

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Soybean-maize succession is the main annual cropping system used in Brazilian cerrado. However, due to water restrictions, the cultivation of maize (off-season crop) is not viable after cultivation of late maturing soybean cultivars and/or when late soybean seeding occurs due adverse weather conditions. In this scenario, the use of cover crops can be a good option to benefit soil health and consequently the soybean yield in the next crop season. The objective is to evaluate the effects of cover crops on biomass inputs, nutrient cycling, and nematode control during the off-season in the Cerrado biome. The study was conducted for three years in two locations in the state of Goiás. We evaluated five options of cover crops after soybean cultivation: 1) Mix of cover crops (Pennisetum glaucum, Crotalaria spectabilis, and Urochloa ruziziensis), 2) P. glaucum, 3) C. spectabilis, 4) U. ruziziensis 5) U. brizantha cv. Marandu, and 6) U. brizantha BRS Paiaguás. The results revealed that Pennisetum glaucum (9633 and 6958 kg ha-1 in Montividiu and Rio Verde) and U. brizantha cv. Marandu (8015 kg ha-1 in Rio Verde) produced the highest amount of biomass on average over three years. The treatments soybean/Crotalaria spectabilis and soybean/Pennisetum glaucum reduce the population of the nematodes. However, the use of a more diversified system such as the mix of cover crops provided a greater soybean yield, soil coverage and a high concentration and release of nutrients during the soybean cycle. Being one important alternative for ensure agricultural sustainability in the Cerrado.

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Soybean yield and nutrition after tropical forage grasses

Cited by 13 publications

References 60 publications

Soybean Yield and Nutrition Grown on the Straw of Grain Sorghum Inoculated with Azospirillum brasilense and Intercropped with BRS Paiaguás Grass

Soybean Yield and Nutrition Grown on the Straw of Grain Sorghum Inoculated with Azospirillum brasilense and Intercropped with BRS Paiaguás Grass

Cover crop diversity for sustainable agriculture: Insights from the Cerrado biome

Cover crop influence on nutrient cycling, nematode population and soybean yield in the Brazilian Cerrado

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