Water Infiltration Rate in Distroferric Red Latosol Under Different Cropping Systems

Filho, Fernando Rodrigues Cabral; Cunha, Fernando Nobre; Silva, Nelmício Furtado da; Teixeira, Marconi Batista; Santos, Leonardo Nazário Silva dos; Vieira, Gustavo da Silva

doi:10.7127/rbai.v11n300555

Cited by 2 publications

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“…In this context, several studies have reported that agroforestry or integrated production systems, when compared to conventional systems, result in improvements in soil quality regarding the physical (Chen et al 2017;Moreira et al 2018;Cabral Filho et al 2017), chemical (Schwab et al 2015;Arau ´jo et al 2017;Pardon et al 2017) and biological properties (Udawatta et al 2014;Portilho et al 2018;Guillot et al 2019). These conservationist systems are also considered as a strategy for mitigating climate change, as they can promote atmospheric C sequestration (Lorenz and Lal 2014;Srinivasarao et al 2014;Abbas et al 2017;Tumwebaze and Byakagaba 2016;Dhillon and Rees 2017;Franzluebbers et al 2017).…”

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Variation in soil carbon, nitrogen and microbial attributes within a silvopastoral system in the Brazilian Cerrado

et al. 2020

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There is insufficient information about the dynamics of soil organic matter in integrated production systems. Therefore, we aimed to evaluate the variations in soil C and N stocks and microbial attributes as a function of the distances apart from the eucalyptus double rows within a silvopastoral system in the Brazilian Cerrado. Four treatments were considered, consisting of four distances (0.5 m, 1.6 m, 3.8 m and 6 m) apart from the double rows of eucalyptus for soil sampling within the silvopastoral system. The soil C and N contents and stocks, C/N ratio, microbial C (Cmic), soil basal respiration, metabolic quotient and microbial quotient were evaluated. Our results showed that soil C contents and stocks were significantly higher near the eucalyptus trees. Soil C stocks ranged from 99.91 (6.0 m) to 119.64 Mg ha -1 (0.5 m) up to 100 cm soil depth, with an increase of 19.73 Mg ha -1 nearest of the forest component. The same pattern was observed for N stocks, with values ranging from 9.52 (0.5 m) to 7.95 Mg ha -1 (6.0 m) and representing an increase of 1.57 Mg ha -1 near the eucalyptus. We also found an increase of 51.32% in the Cmic at 0.5 m apart from the forest component. Thus, we can infer that the presence of eucalyptus improved the soil quality within the silvopastoral system, indicating that the correct soil sampling and measurements must be performed considering all the transect cultivated with forage grass and double rows of eucalyptus.

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Section: Introductionmentioning

confidence: 99%

Variation in soil carbon, nitrogen and microbial attributes within a silvopastoral system in the Brazilian Cerrado

et al. 2020

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“…2016),Cabral Filho et al (2017) e Gomes Filho et al (2019, a medida da taxa de infiltração da água no solo é considerada um bom indicativo da verificação da sua qualidade física.…”

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Infiltração de água e resistência do solo à penetração em sistemas de cultivos integrados e em área de pastagem degradada

et al. 2020

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The objective of this study was to quantify water infiltration and resistance to penetration in a Latossolo Vermelho Distrófico (Typic Haplustox) cultivated with different land use systems and in a degraded pasture area. The studied areas are located in Rio Verde, state of Goiás (Brazil), where seven treatments were evaluated: T1 -Degraded; T2 -Fertilized pasture; T3 -Conventional; T4 -Crop-forest integrationsystem(CFI); T5 -Livestock-forest integrationsystem(LFI); T6 -crop-livestock-forest integration system (CLFI -hay); and T7 -crop-livestock-forest integration system (CLFI-silage). The water infiltration speed curves and the respective basic infiltration rate (BIR) values for the areas under study were determined. The infiltration of water into the soil was determined “in situ” by the double ring infiltrometer method and empirically through models proposed by Kostiakov and Kostiakov-Lewis. The soil resistance to penetration, up to a depth of 0.3 m, was performed using an impact penetrometer. The greatest infiltration in relation to time occurred in treatment T7. The highest values of BIR occurred in treatment T5. The model proposed by Kostiakov showed greater adjustment to the infiltration speed data obtained in the field. The lower resistance of the soil to penetration is provided by the diversity of species in the T4 treatment. The different management systems for recovering degraded pastures influenced the soil quality indicators studied, but there is a need for further studies to adjust the stocking rates in integrated systems in order not to return to the degradation scenario.

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Water Infiltration Rate in Distroferric Red Latosol Under Different Cropping Systems

Cited by 2 publications

References 8 publications

Variation in soil carbon, nitrogen and microbial attributes within a silvopastoral system in the Brazilian Cerrado

Variation in soil carbon, nitrogen and microbial attributes within a silvopastoral system in the Brazilian Cerrado

Infiltração de água e resistência do solo à penetração em sistemas de cultivos integrados e em área de pastagem degradada

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