Seeding density of Brachiaria ruziziensis intercropped with grain sorghum and effects on soybean in succession

Borges, Larissa Pacheco; Silva, Alessandro Guerra da; Goulart, Maria Mirmes Paiva; Teixeira, Itamar Rosa; Simon, Gustavo André; Costa, Kátia Aparecida de Pinho

doi:10.5897/ajar2016.11444

Cited by 5 publications

(3 citation statements)

References 20 publications

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“…Due to the differences in the study regions and genetics, in addition to the time of implementation of the system, grain yields in the present study were lower than reported by [44], higher than reported by [26,36] and [45] similar to those reported by [26] for intercropping of grain sorghum with Brachiaria species in the second crop season for grain and biomass production.…”

Section: Sorghum Cropcontrasting

confidence: 69%

Performance of Grain Sorghum and Forage of the Genus Brachiaria in Integrated Agricultural Production Systems

et al. 2020

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Forages of the genus Brachiaria stand out among those used in integrated systems. Little is known about the potential value of new species and cultivars when intercropped with sorghum and planted in the second crop season. The objective of this study was to evaluate the performance (agronomic characteristics) of grain sorghum and the production and nutritional characteristics of forage plants of the genus Brachiaria in an integrated agricultural production system in the second season. The experiment had a randomized block design with four replicates. The treatments consisted of the intercropping of sorghum with forage plants of the genus Brachiaria (Ruziziensis grass, Marandu, Xaraes, Piata, Paiaguas palisadegrass and Ipypora grass), in addition to an extra treatment with sorghum in monoculture. The results showed that sorghum intercropping with Ruziziensis grass, Paiaguas palisadegrass, Piata, and Ipypora grass did not cause a reduction in grain yield. The Xaraes, Piata, and Paiaguas palisadegrass showed higher forage production. However, the Paiaguas, Piata palisadegrass, and Ipypora grass showed better nutritional value. The sorghum intercropping with forage plants of the genus Brachiaria were promising alternatives for grain and forage production in the off-season. The right forage grass combined with sorghum in an integrated system can intensify agricultural production, optimizing the use of the area and increasing sustainability.

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Section: Sorghum Cropcontrasting

confidence: 69%

Performance of Grain Sorghum and Forage of the Genus Brachiaria in Integrated Agricultural Production Systems

et al. 2020

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“…Therefore, intercropping with Brachiaria sorghum provided no limitation on the soybean crops in succession. In other research papers, increases were recorded in yields when the culture was planted in succession with the intercropping system (Borges et al, 2016;Moraes et al, 2014). The benefits of the integration of grasses have been observed in the soil structure with the use of plants such as sorghum and Brachiaria, which have deep root systems and are bulky and aggressive (Kluthcouski et al, 2004).…”

Section: Soybean Cropmentioning

confidence: 93%

August 2022

2022

Aust J Crop Sci

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Sorghum intercropping with Brachiaria has the potential to improve grain yield and dry matter in the Cerrado region, but there are no studies on the ideal density of Brachiaria seeds for adoption in intercropping when the system is deployed at the beginning of the rainy season. Thus, the objective of this study was to determine the intercropping of sorghum with Brachiaria ruziziensis that may provide higher yield of grain sorghum and dry mass of both crops. We also evaluated the performance of soybeans in succession after intercropping. The test was conducted in 2013/14 and 2014/15 in tropical climate region with wet and dry seasons. The experimental design followed a randomized complete block in a factor 3 x 5 + 1 + 5, corresponding to three intercropping Brachiaria ruziziensis seeding systems (row, inter-row and broadcast sowing) associated with five densities of Brachiaria (2, 4, 6, 8 and 10 pure viable seeds m -2) plus the additional treatments related to monocultures of the grain sorghum and the five densities of the Brachiaria. The Brachiaria ruziziensis association with sorghum cultivation proved to be a promising technique for improving grain yield and dry matter at different times of the year without affecting the development and yield of the soybean crop culture. The best results were achieved with planting of Brachiaria ruziziensis in the line at the sowing density of 8 viable pure m -2 seeds and the inter-row sowing density of 6 viable pure m -2 seeds.

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“…Moreover, this type of intercropping could generate other benefits, such as straw formation for the no‐tillage system (Andrade et al., 2020; Borges et al., 2016), weed suppression (Buffara et al., 2018; Timossi et al., 2018), soil protection and maintenance of its moisture (Buffara et al., 2018), besides soil carbon sequestration and greenhouse gases mitigation (Amadori et al., 2022; Bratti et al., 2022).…”

Section: Introductionmentioning

confidence: 99%

Clearfield upland rice intercropped with Urochloa ruziziensis for grain, increased revenue and environmental preservation

de Sousa Santos,

Nascente,

Lacerda

et al. 2024

Agronomy Journal

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Intercropping perennial forage grasses into cereal crops is an alternative to recover degraded pastures. However, the intercrop of forage grasses, such as Urochloa ruziziensis (R. Germ. and C. M. Evard) Crins (Congo grass), can lead to losses in cereal yield. Therefore, it is necessary to develop management strategies that allow forage grass establishment without major losses in cereal yield in intercropping. The objective was to study the agronomic and economic impacts of intercropping U. ruziziensis into a Clearfield upland rice (Oryza sativa L.) cultivar in the state of Goiás, Brazil, in two growing seasons. Treatments included forage grass seeds sowing method (broadcast or incorporation to the soil) and sowing times (at rice sowing, 20 days after emergence [DAE], and 45 DAE of rice). Also, imazapyr + imazapic herbicide was applied to restrict the competitive effect on rice yield. Monocropping control plots were also evaluated. Grain yield was measured on rice. Forage grass dry matter yield was measured at 30, 60, and 90 days after harvesting (DAH) of rice. Crude protein content was analyzed at 90 DAH. Profitability was calculated for each cropping system relative to rice monocropping. Intercropping of rice and U. ruziziensis sowed at 45 DAE provided the highest grain yield relative to other assessed intercropping treatments as well as rice monocropping. Concurrent sowing of rice and incorporated U. ruziziensis seeding provided the greatest economic return. This reformed cropping system improved land and pasture output, which can reduce the pressure to convert more land to agricultural use.

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Seeding density of Brachiaria ruziziensis intercropped with grain sorghum and effects on soybean in succession

Cited by 5 publications

References 20 publications

Performance of Grain Sorghum and Forage of the Genus Brachiaria in Integrated Agricultural Production Systems

Performance of Grain Sorghum and Forage of the Genus Brachiaria in Integrated Agricultural Production Systems

August 2022

Clearfield upland rice intercropped with Urochloa ruziziensis for grain, increased revenue and environmental preservation

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