Water erosion associated with rainfall patterns in the extreme South of Bahia in eucalyptus post-planting

Guimarães, Danielle Vieira; Silva, Marx Leandro Naves; Bispo, Diêgo Faustolo Alves; Martins, Sérgio Gualberto; Neto, José de Oliveira Melo; Martins, Ricardo Previdente; Curi, Nilton

doi:10.5433/1679-0359.2017v38n4supl1p2463

Cited by 5 publications

(2 citation statements)

References 15 publications

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“…The rainfall distribution has an important effect over soil saturation and runoff coefficient, what means that a large number of erosive events in a short time can lead to soil saturation and increase the water loss through runoff (Guimarães et al, 2017).…”

Section: Discussion Erosivitymentioning

confidence: 99%

Assessment of soil erosion in olive orchards (Olea europaea L.) under cover crops management systems in the tropical region of Brazil

Beniaich¹,

Silva²,

Guimarães³

et al. 2020

Revista Brasileira De Ciência Do Solo

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In the tropics, water erosion is one of the most important factors leading to the degradation and deterioration of agricultural land. Olive orchards have a low canopy coverage, especially during the first years after planting, due to the low density of olive trees. Given the fast expansion of olive orchards in Brazil, this study aimed to evaluate the effect of cover vegetation on soil and water losses under natural rainfall. In addition, it was assessed the crop performance and the vegetation cover index in different management systems in olive orchards. The study was carried out in soil erosion plots, where water and sediment were sampled and measured over two crops season, under the following treatments: in the first season, bare soil with olive cultivation (OBS); olive trees intercropped with spontaneous vegetation (OSV); olive trees intercropped with jack beans (OJB); olive trees intercropped with millet (OM) and, as a control, only bare soil (BS). In the second season, the OM treatment was replaced by olive trees intercropped with sunn hemp (OSH). On bare soils, soil loss was the highest reaching 303.9 Mg ha -1 yr -1 and where the surface runoff amounted to 484.8 mm yr -1 . However, in the absence of competition for resources with other crops, olive trees performed best under this system. The olive orchards planted in shallow and sloping soils without cover crops showed unsustainable soil loss, crusting, and sealing in the superficial soil layer, which can progress quickly for soil degradation in the future. The efficiency in the reduction of loss in relation to bare soil was 4.11 and 12.93 % for the soil loss and 12.15 and 25.17 % for water loss, respectively, for olive with spontaneous vegetation and olive with jack beans. Cover crops combined with olive trees, and reconciled with the crop performance aspects of cultivation in tropical regions, is of great relevance for improving sustainability, especially regarding the reduction of soil and water losses due to water erosion.

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Section: Discussion Erosivitymentioning

confidence: 99%

Assessment of soil erosion in olive orchards (Olea europaea L.) under cover crops management systems in the tropical region of Brazil

Beniaich¹,

Silva²,

Guimarães³

et al. 2020

Revista Brasileira De Ciência Do Solo

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“…Entretanto, estes efeitos variam com a idade e composição da floresta (SUN et al, 2018). Guimarães et al (2017) observaram uma redução de 99,98% da erosão em plantio homogêneo de eucalipto quando comparado a um solo sem cobertura vegetal, corroborando Silva et al (2016), que encontraram redução da erosão entre 93 e 99% também em florestas de eucalipto, o que se atribuiu à proteção oferecida pela vegetação contra o efeito da precipitação.…”

Section: Introductionunclassified

Comportamento físico da precipitação interna em um povoamento de <i>Eucalyptus</i>

Neto

Mello

et al. 2019

Ciênc. Florest.

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A compreensão das características físicas da chuva e sua interação com a paisagem possibilita o desenvolvimento de modelos matemáticos mais condizentes com a realidade além de auxiliar no planejamento eficiente de obras e práticas agrícolas. O objetivo deste estudo foi caracterizar a precipitação interna de um povoamento de Eucalyptus no município de Lavras, Minas Gerais, associado a padrões hidrológicos e potencial erosivo. Para individualização dos eventos de precipitação interna foram adotados os intervalos de 3 e 6 horas entre chuvas. Para cada abordagem foi realizada a classificação do padrão hidrológico da precipitação, incidente e interna, e, associados a estes, as características das chuvas: lâmina precipitada, tempo de duração, energia cinética, intensidades média e máxima, e erosividade. A precipitação interna no povoamento de eucalipto representou 79,2% da precipitação externa. A precipitação interna mostrou-se 36,4% menos erosiva do que a precipitação externa, na qual o padrão avançado foi identificado como predominante na série analisada em ambas as metodologias de individualização dos eventos.

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The importance of incorporating rain intensity profiles in rainfall simulation studies of infiltration, runoff production, soil erosion, and related landsurface processes

Dunkerley

2021

Journal of Hydrology

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Water erosion associated with rainfall patterns in the extreme South of Bahia in eucalyptus post-planting

Cited by 5 publications

References 15 publications

Assessment of soil erosion in olive orchards (Olea europaea L.) under cover crops management systems in the tropical region of Brazil

Assessment of soil erosion in olive orchards (Olea europaea L.) under cover crops management systems in the tropical region of Brazil

Comportamento físico da precipitação interna em um povoamento de <i>Eucalyptus</i>

The importance of incorporating rain intensity profiles in rainfall simulation studies of infiltration, runoff production, soil erosion, and related landsurface processes

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