Land Use and Management Impacts on Structure and Infiltration Characteristics of Soils in the North Appalachian Region of Ohio

Shukla, Manoj K.; Lal, Rattan; Owens, L. B.; Unkefer, Pat J.

doi:10.1097/01.ss.0000058889.60072.aa

Cited by 98 publications

(75 citation statements)

References 36 publications

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“…The K s was determined by conducting long duration infiltration tests (3 h) using double ring infiltrometers and using constant head Science Publications AJES method on soil cores collected from the same experimental location near Ohio, USA (Shukla et al, 2003b). Table 5 presents the average and standard deviations of i c and K s determined in field and lab, respectively, at three slope positions, shoulder, middle and foot.…”

Section: Influence Of Measurement Devices/methods On Saturated Hydraumentioning

confidence: 99%

“…Table 5. Saturated hydraulic conductivity measured in laboratory (K s § , cm h -1 ) and field (i c , cm h -1 ) in six fields under different treatments (Shukla et al, 2003b) i c (Dorsey et al, 1990); § SD: Standard deviation; and CV: Coefficient of variation; and Geometric mean and Standard deviation (ratio) were calculated because the distribution of saturated hydraulic conductivity is lognormal (Mohanty et al, 1994) In a similar study, Mohanty et al (1994) evaluated the performance of four in-situ K s measuring methods such as the Guelph permeameter, the velocity permeameter, the disk permeameter and the double-tube method at different depths and five locations on a glacial-till soil. The Guelph permeameter method gave the lowest K s values because of small sample size, whereas the disk permeameter and double-tube methods gave maximum values for K s with minimum variability, likely due to the large sample size ( Table 7).…”

Section: Influence Of Measurement Devices/methods On Saturated Hydraumentioning

confidence: 99%

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Variability of Hydraulic Conductivity Due to Multiple Factors

Deb

Shukla

2012

American Journal of Environmental Sciences

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Soil properties are greatly influenced by intrinsic factors of soil formation as well as extrinsic factors associated with land use and management and vary both in time and space. Intrinsic variability is caused by the pedogenesis and usually takes place at large time scales. The variability caused by extrinsic factors could take effect relatively quickly and could not be treated as regionalized. Saturated hydraulic conductivity is one of the most important soil properties for soil-water-plant interactions, water and contaminant movement and retention through the soil profile. It is a critically important parameter for estimation of various other soil hydrological parameters necessary for modeling flow through the naturally unsaturated vadose zone. Among different soil hydrological properties, saturated hydraulic conductivity is reported to have the greatest statistical variability, which is associated with soil types, land uses, positions on landscape, depths, instruments and methods of measurement and experimental errors. The variability of saturated hydraulic conductivity has a profound influence on the overall hydrology of the soil system. Therefore, focus of this review is centered on the variability of saturated/unsaturated hydraulic conductivity due to a large number of factors. This study reviews recent experimental and field studies addressing the measurements and variability of hydraulic conductivity. A synthesis of a large amount of data available in literature is presented and the possible sources of the variability and its implications are discussed. The variability of a soil hydraulic conductivity can be expressed by range, interquartile range, variance and standard deviation, coefficient of variation, skewness and kurtosis. The spatial and temporal variability of hydraulic conductivity and the influences of sample support, measurement devices/methods, soils, land uses and agricultural management on hydraulic conductivity are evaluated. Methods of measurements strongly impact variability, for example, saturated hydraulic conductivity measured using a single ring may produce significantly different mean and standard errors than those measured using a double ring. The sample support can also influence the variability, for example, increasing or decreasing the size of the infiltrometer rings can change the mean and variability of the saturated hydraulic conductivity. Similarly, hydraulic conductivity measured in the field could show a much larger variability than those measured in the laboratory. The spatial and temporal variations of hydraulic conductivity and interactions among soil characteristics, land uses, agricultural management, climatic and environmental conditions and measurement methods are rather complex, which should take into account multiple factors discussed in this review. Decisions and choices made by investigators during sampling, sampling designs, availability of resources, number of investigators involved in sampling and analysis, skill level of investigators, type and qua...

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Section: Influence Of Measurement Devices/methods On Saturated Hydraumentioning

confidence: 99%

Section: Influence Of Measurement Devices/methods On Saturated Hydraumentioning

confidence: 99%

Variability of Hydraulic Conductivity Due to Multiple Factors

Deb

Shukla

2012

American Journal of Environmental Sciences

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“…This indicates that the aggregate stability declined as soil depth increased, as verified by Souza et al (2005). These results were related to the presence of surface vegetation (SHUKLA et al, 2003), as well as a larger concentration of roots in the soil surface layer, which, after decomposing, add a greater amount of organic matter to the soil. This, according to Prado et al (2014), contributes to the stability of the aggregates.…”

Section: Resultsmentioning

confidence: 58%

“…According to Silva et al (2012), 75% coverage with sugarcane waste should be implemented in The largest losses of soil and water were observed in treatments without sugarcane waste on the surface, displaying a lower efficiency in controlling water erosion when vegetation covering the soil is removed, even under a no-till system. With the removal of vegetation, there is, therefore, a reduction in the value of the stable infiltration rate (SIR).…”

Section: Valim W C Et Almentioning

confidence: 99%

“…According to Silva et al (2012), 75% coverage with sugarcane waste should be implemented in order to minimize the loss of soil in interrill erosion, and 50% coverage for loss of water. In this study, the loss of soil and water were reduced when the amount of crop waste added corresponded to 33% (4 Mg ha Silva et al (2012), the increase in the amount of crop waste on the soil surface tends to exponentially reduce the loss of soil and water as a result of the interception of raindrops and the runoff that reduces the breakdown of soil Effect of sugarcane waste in the control of interrill erosion particles provided by the presence of waste on the soil surface.…”

Section: Valim W C Et Almentioning

confidence: 99%

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Effect of sugarcane waste in the control of interrill erosion

Valim

Panachuki

Pavei

et al. 2016

SCA

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The cultivation of sugarcane uses different cropping systems that result in varying quantities of crop waste, this may influence soil erosion. The objective of this study was to evaluate the loss of soil and water, the infiltration rate, and soil surface roughness in an area cultivated with sugarcane (Saccharum spp.). Six treatments with different levels of plant waste were evaluated: sugarcane without plant waste; sugarcane with 4.0 Mg ha -1 of waste; sugarcane with 8.0 Mg ha -1 of waste; sugarcane with 12.0 Mg ha -1 of waste; sugarcane with 16.0 Mg ha -1 of waste; and burned sugarcane. The treatments were arranged in a randomized block design with four replications, totalling 24 experimental plots. As soil depth increased, there is reduction in macroporosity, total soil porosity, organic carbon content, mean geometric diameter and weighted mean diameter of the soil aggregates, whereas the bulk density of the soil displays the opposite trend. The presence of sugarcane waste on the soil surface increases the time required for the initiation of surface runoff. Sugarcane waste does not alter soil surface roughness, and at the minimum amount of waste administered (4 Mg ha -1 ) reduces losses of soil and water and increases the infiltration rate. The lack of soil surface coverage after harvesting the sugarcane contributes to soil and water loss, and reduces the rate of stable infiltration of water into the soil. Key words: Saccharum spp. Simulated rain. Soil and water loss. ResumoO cultivo da cana-de-açúcar utiliza diferentes sistemas de colheita, resultando em quantidades variadas de resíduos vegetais, que podem influenciar no processo erosivo. O objetivo foi avaliar as perdas de solo e de água, a taxa de infiltração e a rugosidade superficial do solo em área cultivada com cana-deaçúcar (Saccharum ssp.). Foram utilizados seis tratamentos com diferentes níveis de resíduos vegetais: cana crua sem resíduo vegetal; cana crua com 4,0 Mg ha -1 de resíduo; cana crua com 8,0 Mg ha -1 de resíduo; cana crua com 12,0 Mg ha -1 de resíduo; cana crua com 16,0 Mg ha -1 resíduo e cana queimada. Os tratamentos dispostos no esquema experimental de blocos casualizados, com quatro repetições, totalizaram 24 parcelas experimentais. Com o aumento da profundidade do solo verifica-se redução da macroporosidade, da porosidade total do solo, do teor de carbono orgânico, do diâmetro médio geométrico e do diâmetro médio ponderado dos agregados do solo enquanto os valores de densidade do solo apresentam comportamento inverso. A presença de resíduos vegetais de cana-de-açúcar sobre a superfície do solo aumenta o intervalo de tempo necessário para o início do escoamento superficial. A palhada de cana-de-açúcar não altera a rugosidade superficial do solo e a quantidade mínima avaliada,

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Hydrological Processes

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Land Use and Management Impacts on Structure and Infiltration Characteristics of Soils in the North Appalachian Region of Ohio

Cited by 98 publications

References 36 publications

Variability of Hydraulic Conductivity Due to Multiple Factors

Variability of Hydraulic Conductivity Due to Multiple Factors

Effect of sugarcane waste in the control of interrill erosion

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