Spectral Data Processing for Field-Scale Soil Organic Carbon Monitoring [PDF]
SensorsCarbon sequestration in soils under agricultural use can contribute to climate change mitigation. Spatial–temporal soil organic carbon (SOC) monitoring requires more efficient data acquisition. This study aims to evaluate the potential of spectral on-the-
Javier Reyes, Mareike Ließ
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Building a near-infrared (NIR) soil spectral dataset and predictive machine learning models using a handheld NIR spectrophotometerZenodo [PDF]
Data in BriefThis near-infrared spectral dataset consists of 2,106 diverse mineral soil samples scanned, on average, on six different units of the same low-cost commercially available handheld spectrophotometer.
Colleen Partida +7 more
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Measuring soil aggregate stability with mobile phones, lessons, challenges, and future work [PDF]
Scientific ReportsA method for assessing soil aggregate stability which uses image-recognition was created and presented in the form of a mobile phone app. The app was adopted, used, criticized, adjusted and updated by the scientific and non-scientific community worldwide.
Mario Fajardo +7 more
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Reflectance spectroscopy in the prediction of soil organic carbon associated with humic substances [PDF]
Revista Brasileira de Ciência do Solo, 2023 Understanding organic carbon and predominant humic fractions in the soil allows contributes to soil quality management. Conventional fractionation techniques require time, excessive sampling, and high maintenance costs.
Sharon Gomes Ribeiro +7 more
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Prediction of Soil Erodibility by Diffuse Reflectance Spectroscopy in a Neotropical Dry Forest Biome
Land, 2022 The USLE and the RUSLE are two common erosion prediction models that are used worldwide, and soil erodibility (K-factor) is one parameter used to calculate them. The objectives of this study were to investigate the variability of soil-erodibility factors
Samuel Ferreira Pontes +7 more
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Fine-scale soil mapping with Earth Observation data: a multiple geographic level comparison
Revista Brasileira de Ciência do Solo, 2021 Multitemporal collections of satellite images and their products have recently been explored in digital soil mapping. This study aimed to produce a bare soil image (BSI) for the São Paulo State (Brazil) to perform a pedometric analysis for different ...
José Lucas Safanelli +6 more
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Frontiers in Environmental Science, 2021 Societal demands on soil functionality in agricultural soil-landscapes are confronted with yield losses and environmental impact. Soil functional information at national scale is required to address these challenges.
Mareike Ließ, Anika Gebauer, Axel Don
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Outlining precision boundaries among areas with different variability standards using magnetic susceptibility and geomorphic surfaces [PDF]
Engenharia Agrícola, 2014 There is an increasing demand for detailed maps that represent in a simplified way the knowledge of the variability of a particular area or region maps.
Sammy S. R. Matias +3 more
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Digital soil mapping and its implications in the extrapolation of soil-landscape relationships in detailed scale [PDF]
Pesquisa Agropecuária Brasileira, 2017 : The objective of this work was to test the extrapolation of soil-landscape relationships in a reference area (RA) to a topographic map (scale 1:50,000), using digital soil mapping (DSM), and to compare these results to those obtained in similar studies
Mario Sergio Wolski +5 more
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Performance of a Portable FT-NIR MEMS Spectrometer to Predict Soil Features
Soil Systems, 2022 NIR spectrometers based on micro-electromechanical systems (MEMS) have become available in the market, with lower prices and smaller dimensions than traditional spectrometers.
Simone Priori +4 more
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