Soil quality and soybean productivity in crop-livestock integrated system in no-tillage

Laroca, Jackeline Vieira dos Santos; Souza, Juliana Mendes Andrade de; Pires, Gabriela Castro; Pires, Gleidson José Coutinho; Pacheco, Leandro Pereira; Silva, Francine Damian da; Wruck, F. J.; Silva, Laércio Santos; Souza, Edicarlos Damacena de

doi:10.1590/s0100-204x2018001100007

Cited by 30 publications

(15 citation statements)

References 24 publications

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“…The biomass of perennial plants used as mulch promotes high levels of organic matter (OM) in the soil, which contributes to nutrient cycling, especially the replenishment of nitrogen (N) and C, and water maintenance and improves soil properties (Ryschawy et al ., 2017). Furthermore, this soil dynamic helps to reduce the use of fertilizer, thus reducing costs and the impacts on the environment (Laroca et al ., 2018).…”

Section: Introductionmentioning

confidence: 99%

Brachiaria and Panicum maximum in an integrated crop–livestock system and a second-crop maize system in succession with soybean

et al. 2020

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Owing to its contribution to the maintenance of carbon stocks, soil nitrogen and nutrient cycling for subsequent crops, the integrated systems become increasingly important for agricultural conservation. Thus, the objective of this study was to evaluate the biomass production of and total nutrient in Brachiaria spp. and Panicum maximum forage grasses used as mulch and soybean yields in an integrated crop–livestock system and second-crop maize succession system. The treatments consisted of the following cropping systems: Xaraes palisadegrass intercropped with soybean, Congo grass intercropped with soybean, Mombaça guinea grass intercropped with soybean, Tamani guinea grass intercropped with soybean and a soybean/maize succession system. The forage grasses were established during the soybean R6–R7 stage. Compared with Congo grass, Xaraes palisadegrass, Mombaça guinea grass and Tamani guinea grass produced more biomass and equivalent amounts of fertilizer returned to the soil and resulted in greater nutrient cycling, indicating the benefits of these grasses for use as mulch in integrated production systems. Maize had a greater C/N ratio, but the forage grasses also exhibited high potential by protecting the soil until the end of the soybean development cycle. The use of an integrated crop–livestock system combined with a forage cropping system provided greater soil nutrient cycling than the maize cropping system did, which resulted in increased soybean yields, thus contributing to the sustainability of agricultural systems.

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Section: Introductionmentioning

confidence: 99%

Brachiaria and Panicum maximum in an integrated crop–livestock system and a second-crop maize system in succession with soybean

et al. 2020

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“…Soil quality in integrated crop–livestock–forestry systems is assessed by a range of soil quality indicators, including biological, physical and chemical soil properties or processes (Borges et al., 2019; Laroca et al., 2018; Zago et al., 2019). Overall, such systems are known to promote a better soil environment (Kichel et al., 2014), which is related to the synergistic effects among the components in integrated crop–livestock–forest systems (Costa et al., 2018).…”

Section: Introductionmentioning

confidence: 99%

Soil quality assessments in integrated crop–livestock–forest systems: A review

Valani

Martíni

Silva

et al. 2020

Soil Use and Management

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Integrated crop–livestock–forest is a promising strategy to improve soil quality. It comprises four different integrated farming systems: crop–livestock, crop–forest, forest–livestock and crop–livestock–forest. This work systematically reviewed studies about integrated crop–livestock–forest systems and soil quality. A total of 92 papers were retrieved from the Web of Science—Clarivate Analytics platform, and the following information was analysed: publication year, institution, region of the studied site, type of integrated system, soil type, tillage system, maximum soil depth and the soil quality indicators assessed. Most studies were published in the second half of the 2010s. Brazil is a prominent focus of research about soil quality and integrated crop–livestock–forest systems, with significant contribution from its central and southern regions. The Embrapa was the main publishing institution, present in over one‐third of the studies. Crop–livestock was the most common integrated system, Ferralsols was the most common soil group, and most of the studied soils were clayey. No tillage was the main tillage system. Most studies focused on the topsoil, assessing physical and/or chemical soil quality indicators. More emphasis on biological indicators of soil quality is required, as well as assessments integrating biological, physical and chemical indicators of soil quality. Future works should compare different integrated systems, including assessments deeper in the soil profile, especially in systems with the forest component, and also in sandy and silty soils. Soil quality indicators that have been rarely used should be further tested. Novel indicators should be added to better understand the promotion of soil quality by integrated crop–livestock–forest systems.

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“…The ICLS adoption with grass-legume intercropping can improve microbial biomass C and N (Dhakal and Islam 2018;Hurisso et al 2013) and soil organic C and N stocks (Frasier et al 2016;Li et al 2016). Hence, intercropping systems may increase pasture production during the off-season and grain crop yields in succession (Dhakal and Islam 2018;Laroca et al 2018;Mateus et al 2020;Pires et al 2021). From this, it is expected that grass-legume intercropping in ICLS will lead to a higher N availability, and greater microbial and enzymatic activity and soil organic C and N contents.…”

Section: Introductionmentioning

confidence: 99%

Grass–legume intercropping in integrated crop-livestock systems: a strategy to improve soil quality and soybean yield in the Brazilian Cerrado

Moraes

Denardin

Pires

et al. 2021

Preprint

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Aims The integrated crop-livestock systems (ICLS) under no-tillage improves soil fertility of the Brazilian Cerrado. We aimed to evaluate the effect of different grass-legume intercropping compared to single grass cultivation in the off-season of an ICLS on (i) soil organic carbon (C) and nitrogen (N) pools, (ii) soil microbial biomass and activity, (iii) soil enzymatic activity, and (iv) soybean grain yield in succession. Methods The field study was conducted in an on-farm experiment in 2016/17 and 2017/18 cropping seasons. The soybean was cultivated in the summer season, with the subsequent treatments in the off-season, using two grasses (Urochloa ruziziensis and U. brizantha), single or intercropped with Cowpea (Vigna unguiculata) or Pigeon pea (Cajanus cajan). We evaluated soil organic C and N pools, microbial biomass and activity, enzyme activity, and soybean yield. Results Cowpea intercropping yielded 24% more soybeans than grasses single cropped. There was a higher microbial biomass and activity, and enzymatic activity in the soil under grass-legume intercropping. In addition to the lower basal respiration and microbial metabolic quotient (qCO2), the greater microbial quotient (qMIC) and microbial biomass C indicate a higher soil microbial C utilization efficiency under grass-legume intercropping. The soil total organic C and N stocks increased under Pigeon pea intercropping by 16% and 27%, respectively, compared to single grasses. Conclusions Grass-legume intercropping in the pasture phase of ICLS is an additional tool to maximize soybean yields in the short term. The intercropping effects on soybean yield were directly related to soil quality improvements through soil biological and biochemical properties.

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Soil quality and soybean productivity in crop-livestock integrated system in no-tillage

Cited by 30 publications

References 24 publications

Brachiaria and Panicum maximum in an integrated crop–livestock system and a second-crop maize system in succession with soybean

Brachiaria and Panicum maximum in an integrated crop–livestock system and a second-crop maize system in succession with soybean

Soil quality assessments in integrated crop–livestock–forest systems: A review

Grass–legume intercropping in integrated crop-livestock systems: a strategy to improve soil quality and soybean yield in the Brazilian Cerrado

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