African soil properties and nutrients mapped at 30 m spatial resolution using two-scale ensemble machine learning
Soil property and class maps for the continent of Africa were so far only available at very
generalised scales, with many countries not mapped at all. Thanks to an increasing quantity …
generalised scales, with many countries not mapped at all. Thanks to an increasing quantity …
Soil nutrient maps of Sub-Saharan Africa: assessment of soil nutrient content at 250 m spatial resolution using machine learning
T Hengl, JGB Leenaars, KD Shepherd… - Nutrient Cycling in …, 2017 - Springer
Spatial predictions of soil macro and micro-nutrient content across Sub-Saharan Africa at
250 m spatial resolution and for 0–30 cm depth interval are presented. Predictions were …
250 m spatial resolution and for 0–30 cm depth interval are presented. Predictions were …
[HTML][HTML] Continental-scale controls on soil organic carbon across sub-Saharan Africa
Soil organic carbon (SOC) stabilization and destabilization has been studied intensively.
Yet, the factors which control SOC content across scales remain unclear. Earlier studies …
Yet, the factors which control SOC content across scales remain unclear. Earlier studies …
Quantification of some intrinsic soil properties using proximal sensing in arid lands: Application of Vis-NIR, MIR, and pXRF spectroscopy
The aim of the current research was to examine the effectiveness of Vis-NIR-SWIR (visible,
near-infrared, and shortwave infrared spectroscopy: 350–2500 nm), MIR (mid-infrared …
near-infrared, and shortwave infrared spectroscopy: 350–2500 nm), MIR (mid-infrared …
[PDF][PDF] Applications of quartering method in soils and foods
M Campos-M, R Campos-C - Int. J. Eng. Res. Appl, 2017 - Citeseer
Sampling is a technique and a science. If the appropriate technique is followed it reduces
the bulk mass and helps to respect the batch composition as best as possible. Non …
the bulk mass and helps to respect the batch composition as best as possible. Non …
Regional-scale mapping for determining geochemical background values in soils of the Itacaiúnas River Basin, Brazil: The use of compositional data analysis (CoDA)
This study aims at providing high quality soil geochemical data at a regional scale (1 sample
per 25 km 2) to understand the source and distribution of potentially toxic elements (PTEs …
per 25 km 2) to understand the source and distribution of potentially toxic elements (PTEs …
Digital soil mapping of nitrogen, phosphorus, potassium, organic carbon and their crop response thresholds in smallholder managed escarpments of Malawi
In Africa, the need to have high resolution soil maps cannot be overstated as the continent
has over 33 million farmers owning less than 2 ha plots, who represent 80% of all farms and …
has over 33 million farmers owning less than 2 ha plots, who represent 80% of all farms and …
[HTML][HTML] Assessing global-warming induced soil organic matter and iron oxides depletion: Empirical insights into sorption and uptake of atrazine by plants
PN Diagboya, RA Düring - Ecotoxicology and environmental safety, 2024 - Elsevier
Recent pesticide use is alarmingly high and unregulated in several parts of the world.
Pesticide fate in soil is controlled by sorption processes which affect the subsequent …
Pesticide fate in soil is controlled by sorption processes which affect the subsequent …
[HTML][HTML] Mineral–nutrient relationships in African soils assessed using cluster analysis of X-ray powder diffraction patterns and compositional methods
BM Butler, J Palarea-Albaladejo, KD Shepherd… - Geoderma, 2020 - Elsevier
Soil mineral compositions are often complex and spatially diverse, with each mineral
exhibiting characteristic chemical properties that determine the intrinsic total concentration of …
exhibiting characteristic chemical properties that determine the intrinsic total concentration of …
Source and background threshold values of potentially toxic elements in soils by multivariate statistics and GIS-based mapping: a high density sampling survey in the …
A high-density regional-scale soil geochemical survey comprising 727 samples (one sample
per each 5× 5 km grid) was carried out in the Parauapebas sub-basin of the Brazilian …
per each 5× 5 km grid) was carried out in the Parauapebas sub-basin of the Brazilian …