Soil loss and sediment yield in a perennial catchment in southwest Piauí, Brazil

Assis, Kamylla Gonçalves Oliveira; Silva, Yuri Jacques Agra Bezerra da; Lopes, José Wellington Batista; Medeiros, João Carlos; Teixeira, Marcos Paulo Rodrigues; Rimá, Fernando Braga; Singh, Vijay P.

doi:10.1007/s10661-020-08789-y

Cited by 3 publications

(2 citation statements)

References 32 publications

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“…According to Borrelli et al 2017 [2], the presence of cover and the absence of soil disturbance are the quickest ways to conserve pedological and edaphic resources. In this sense, the correct management of the soybean crop with the direct planting system and contour planting are alternative methods capable of stopping or mitigating erosion [10]. The no-till system has been used in Brazil since the 1960s in the southern region of the country; the results point to an increase in the capacity of water infiltration into the soil, with a reduction in surface runoff, in addition to favoring the microbial community, improving the soil structure, and nutrient cycling [2,12,40,44].…”

Section: Policy Recommendationsmentioning

confidence: 99%

“…While soil compaction, surface crusting, and soil erosion can be reduced by soil organic matter, which can also provide nutrients to plants, soil erosion can also be reduced by vegetative cover [9]. Uncovered and/or badly managed soils accelerate this process since the absence of vegetative cover (e.g., crops) promotes direct exposure to raindrops [10]. Factors such as the duration of rain and the slope of the area are also responsible for increases in soil losses by erosion, as they influence surface runoff [11,12], while soil turning (scarification) promotes the breakdown of aggregates, making the particles more susceptible to the erosive process [13].…”

Section: Introductionmentioning

confidence: 99%

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Effects of Land Use and Cropping on Soil Erosion in Agricultural Frontier Areas in the Cerrado-Amazon Ecotone, Brazil, Using a Rainfall Simulator Experiment

et al. 2023

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Agricultural soils provide ecosystem services, but the removal of natural vegetation reduces water infiltration capacity, increasing surface runoff. Thus, monitoring erosion is critical for sustainable agricultural management. Sediment losses and surface runoff were evaluated using a simulated rainfall of 75 mm/h in areas with crops and pastures in both the Caiabi River and Renato River sub-basins of the Teles Pires River watershed in Mato Grosso State, Brazil. In both the Caiabi and Renato sub-basins, data were collected from 156 observations in the upper, middle, and lower regions where (1) soybeans, (2) maize, and (3) pasture were grown alone, with another crop, or with soil that was scarified. Erosion occurred independent of soil texture and was closely related to the management and use of systems involving fewer crops and more soil scarification, regardless of sub-basin location. In uncovered, scarified soil, the soil losses from erosion were greater compared to covered soil, regardless of sub-basin and sub-basin region. In the Renato River sub-basin, soil losses in cultivated areas not planted with crops but with scarification were 66.01, 90.79, and 60.02 g/square meter in the upper, middle, and lower regions, respectively. Agricultural producers need to increase the planting of crops throughout the year and minimize soil disturbance, which will reduce soil erosion and improve sustainability.

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Section: Policy Recommendationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of Land Use and Cropping on Soil Erosion in Agricultural Frontier Areas in the Cerrado-Amazon Ecotone, Brazil, Using a Rainfall Simulator Experiment

et al. 2023

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Management Strategies for Critical Erosion-Prone Areas of Small Agricultural Watershed Based on Sediment and Nutrient Yield

Sarkar

Panda

Pandey

et al. 2021

Geospatial Technologies for Land and Water Resources Management

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Identification of the critical areas is essential for the effective implementation of watershed management programs. In the present study, monitoring of runoff, sediment, and nutrient yield (NO 3 -N and soluble P) was carried out from a small agricultural watershed to identify the critical areas on the basis of sediment and nutrient yield. Land use/land cover information was generated from Indian Remote Sensing Satellite data (IRS-1D-LISS-III). Universal Soil Loss Equation (USLE) was used to estimate soil loss from the study area, while remote sensing and GIS techniques were used for parameterization of USLE model. Delivery ratio was computed for the watershed to compare with the observed sediment yield. Soil samples were collected and tested from a selected portion of the wasteland for measuring soil fertility status (NPK), soil reaction (pH), organic carbon content, etc. The sediment delivery ratio in the study watershed ranges between 0.44 and 0.66. All the sub-watersheds fall within "slight" soil erosion class (0-5 ton ha −1 year −1 ). Sub-watershed I yielded more nutrient followed by Sub-watershed II and Sub-watershed III. The wastelands of the study area have a moderate amount of organic carbon (within 0.5-0.75%) and low available nutrient (NPK), initially, farmers can go for leguminous crop cultivation for increasing the nitrogen status of the field, and also, sabaigrass-based intercropping systems can be adopted in small plots of the wasteland.

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Evaluation of the effects of land-use change and increasing deforestation in the Sapanca Basin on total suspended solids (TSS) movement with predictive models

et al. 2022

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Soil loss and sediment yield in a perennial catchment in southwest Piauí, Brazil

Cited by 3 publications

References 32 publications

Effects of Land Use and Cropping on Soil Erosion in Agricultural Frontier Areas in the Cerrado-Amazon Ecotone, Brazil, Using a Rainfall Simulator Experiment

Effects of Land Use and Cropping on Soil Erosion in Agricultural Frontier Areas in the Cerrado-Amazon Ecotone, Brazil, Using a Rainfall Simulator Experiment

Management Strategies for Critical Erosion-Prone Areas of Small Agricultural Watershed Based on Sediment and Nutrient Yield

Evaluation of the effects of land-use change and increasing deforestation in the Sapanca Basin on total suspended solids (TSS) movement with predictive models

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