Grazing Changes the Soil-Plant Relationship in the Tree-Regeneration Stratum in the Pampa of Souhtern Brazil

Redin, Cristina Gouvêa; Longhi, Solon Jonas; Reichert, José Miguel; Soares, Kelen Pureza; Rodrigues, Miriam Fernanda; Watzlawick, Luciano Farinha

doi:10.1590/01047760201723022225

Cited by 9 publications

(3 citation statements)

References 26 publications

(22 reference statements)

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“…Higher SOC stocks in the soil can increase the soil water holding capacity and soil water content. Moreover, cover crops can provide greater protection to the soil surface (Redin et al, 2017), leading to lower soil temperatures and reduced evaporation (Weber and Gokhale, 2011).…”

Section: Impacts Of Integrated Crop–livestock Systems On Crop Productmentioning

confidence: 99%

Facilitating Crop–Livestock Reintegration in the Northern Great Plains

et al. 2019

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Integrated crop–livestock systems (ICLSs) can help increase food production while benefiting soils and the environment. This review summarizes recent impacts of ICLSs on crop and livestock production and rural economics and discusses lessons learned in the northern Great Plains (NGP). Research on ICLS conducted in the NGP indicates that the crop residue grazing, swath grazing, and annual forage grazing can positively influence crop production; whereas, livestock performance varies with season, forage nutritive value, and grazing management. Furthermore, ICLSs can reduce the costs and risks of agricultural production. The success of ICLSs in NGP region depends on trade‐offs, planning, economic benefits, policies, regulations, community acceptance, and management skills. The ICLSs could play a strategic role in future agricultural production. The lessons learned from adopting ICLSs in the NGP include the lack of available land for fertilizer (manure) management, that to implement ICLS practices skills and knowledge must be maintained, and ICLS provides an entry point for young farmers and ranchers however capital is needed. These experiences and lessons could be valuable references for producers to adopt ICLSs in the NGP or other regions. Core Ideas Integrated crop–livestock systems positively affect crop production by improving soil health. Common integrated crop–livestock system management techniques can enhance the northern Great Plains crop production. Integrated crop–livestock system livestock performance is impacted by season, forage selection, and management. Integrated crop–livestock systems can increase economic benefits and reduce economic risks. Experiences and lessons in the northern Great Plains could be valuable for other regions to adopt integrated crop–livestock systems.

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Section: Impacts Of Integrated Crop–livestock Systems On Crop Productmentioning

confidence: 99%

Facilitating Crop–Livestock Reintegration in the Northern Great Plains

et al. 2019

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“…Different soil attributes have been used to characterize the physical changes caused by compaction due to animal trampling or even due to different pastureland management practices. The physical parameters that are commonly used to characterize soil under pasture include bulk density, porosity (Cardoso, Wanderley, & Souza, 2016;Carvalho, Ruiz, Costa, Passos, & Araújo, 2014), soil penetration resistance (Cubillos et al, 2016;Redin et al, 2017), and soil-water infiltration (Cullotta et al, 2016;Suárez, Navarro, Campos, Flores, & Mejía, 2018).…”

Section: Introductionmentioning

confidence: 99%

Spatial variability of soil physical-hydric attributes under bovine trampling in agreste of Pernambuco State, Brazil

et al. 2018

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Soils under pastures suffer physical modifications, in greater or lesser intensity, via the action of animal trampling. Thus, the aim was to evaluate the spatial dependence of soil physical attributes under bovine trampling. The trial was performed at Roçadinho Farm, Agreste of Pernambuco, Brazil, in a 40 x 40 m paddock that was managed with continuous stocking by bovines and 12 AU ha-1 stocking rate. Soil samples were collected before and after grazing using a 6 x 6 m grid, totaling 36 sampling points. At each point, the bulk density, total porosity, moisture, soil penetration resistance at 0.00-0.10, 0.10-0.20, and 0.20-0.30 m depth were estimated, as was the hydraulic conductivity on the saturated soil surface. Descriptive statistics and geostatistics supported the data analysis. A normal distribution was verified for all variables, which were scored as either low or high variability in terms of the variation coefficient. The physical attributes (density, total porosity, moisture, soil penetration resistance and hydraulic conductivity) of the soil sampled presented a strong spatial dependence before and after grazing.

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“…The reduction in SOC can increase soil BD [40] and reduce soil organic N [41], consequently reducing soil NH 4 and NO 3 -. Moreover, the reduced plant cover removes a layer of protection on the soil surface and can increase amplitude in soil moisture [42,43], leading to decreased soil WC [44] and increased soil BD. Animal trampling also reduces soil porosity and water circulation, resulting in increased soil BD [45].…”

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confidence: 99%

A global meta-analysis of livestock grazing impacts on soil properties

Lai

Kumar

2020

PLoS ONE

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Grazing effects on soil properties under different soil and environmental conditions across the globe are often controversial. Therefore, it is essential to evaluate the overall magnitude and direction of the grazing effects on soils. This global meta-analysis was conducted using the mixed model method to address the overall effects of grazing intensities (heavy, moderate, and light) on 15 soil properties based on 287 papers published globally from 2007 to 2019. Our findings showed that heavy grazing significantly increased the soil BD (11.3% relative un-grazing) and PR (52.5%) and reduced SOC (-10.8%), WC (-10.8%), NO 3-(-23.5%), and MBC (-27.9%) at 0-10 cm depth, and reduced SOC (-22.5%) and TN (-19.9%) at 10-30 cm depth. Moderate grazing significantly increased the BD (7.5%), PR (46.0%), and P (18.9%) (0-10 cm), and increased pH (4.1%) and decreased SOC (-16.4%), TN (-10.6%), and P (-23.9%) (10-30 cm). Light grazing significantly increased the SOC (10.8%) and NH 4 + (28.7%) (0-10 cm). Heavy grazing showed much higher mean probability (0.70) leading to overgrazing than the moderate (0.14) and light (0.10) grazing. These findings indicate that, globally, compared to un-grazing, heavy grazing significantly increased soil compaction and reduced SOC, NO 3-, and soil moisture. Moderate grazing significantly increased soil compaction and alkalinity and reduced SOC and TN. Light grazing significantly increased SOC and NH 4 +. Cattle grazing impacts on soil compaction, SOC, TN, and available K were higher than sheep grazing, but lower for PR. Climate significantly impacted grazing effects on SOM, TN, available P, NH 4 + , EC, CEC, and PR. Heavy grazing can be more detrimental to soil quality based on BD, SOC, TN, C: N, WC, and K than moderate and light grazing. However, global grazing intensities did not significantly impact most of the 15 soil properties, and the grazing effects on them had insignificant changes over the years.

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Grazing Changes the Soil-Plant Relationship in the Tree-Regeneration Stratum in the Pampa of Souhtern Brazil

Cited by 9 publications

References 26 publications

Facilitating Crop–Livestock Reintegration in the Northern Great Plains

Facilitating Crop–Livestock Reintegration in the Northern Great Plains

Spatial variability of soil physical-hydric attributes under bovine trampling in agreste of Pernambuco State, Brazil

A global meta-analysis of livestock grazing impacts on soil properties

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