OOIR: Observatory of International Research

Papers

(The TQCC of Geoderma Regional is 7. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-05-01 to 2024-05-01.)

Article	Citations
Soils and sustainable development goals of the United Nations: An International Union of Soil Sciences perspective	135
Spatial prediction of soil organic carbon using machine learning techniques in western Iran	77
Spatial prediction of soil aggregate stability and soil organic carbon in aggregate fractions using machine learning algorithms and environmental variables	47
Soil priorities in the European Union	43
Spatial characteristics of ecological and health risks of toxic heavy metal pollution from road dust in the Black Sea coast of Turkey	39
Digital soil mapping and GlobalSoilMap. Main advances and ways forward	37
Comparison of PLS and SVM models for soil organic matter and particle size using vis-NIR spectral libraries	31
Digital soil mapping of soil organic carbon stocks in Western Ghats, South India	30
Digital soil mapping and assessment for Australia and beyond: A propitious future	29
Developing a soil spectral library using a low-cost NIR spectrometer for precision fertilization in Indonesia	29
Predicting spatial variability of selected soil properties using digital soil mapping in a rainfed vineyard of central Chile	25
Precocious 19th century soil carbon science	24
Application of VIS-NIR spectroscopy for estimation of soil organic carbon using different spectral preprocessing techniques and multivariate methods in the middle Indo-Gangetic plains of India	23
Estimating water retention and availability in cultivated soils of southern Brazil	23
Predicting carbon and nitrogen by visible near-infrared (Vis-NIR) and mid-infrared (MIR) spectroscopy in soils of Northeast Brazil	23
Quantification of some intrinsic soil properties using proximal sensing in arid lands: Application of Vis-NIR, MIR, and pXRF spectroscopy	22
Operationalising digital soil mapping – Lessons from Australia	21
Soil factors affecting phosphorus adsorption in soils of the Cerrado, Brazil	21
Soil organic matter qualification with FTIR spectroscopy under different soil types in Estonia	21
Land use/land cover changes and bare soil surface temperature monitoring in southeast Brazil	21
Soil properties governing phosphorus adsorption in soils of Southern Brazil	20
Soil salinity mapping by remote sensing south of Urmia Lake, Iran	19
Deterministic and geostatistical models for predicting soil organic carbon in a 60 ha farm on Inceptisol in Varanasi, India	19
Response of soil aggregate stability and distribution of organic carbon to alpine grassland degradation in Northwest Sichuan	19
Agronomic, economic, and environmental assessment of site-specific fertilizer management of Brazilian sugarcane fields	19

Digital mapping of soil classes using spatial extrapolation with imbalanced data	19
Greenhouse gas emission from the cold soils of Eurasia in natural settings and under human impact: Controls on spatial variability	19
Evaluating pedotransfer functions for predicting soil bulk density using hierarchical mapping information in Campania, Italy	18
Assessment of the soil fertility status in Benin (West Africa) – Digital soil mapping using machine learning	18
Assessment of pore space changes during drying and wetting cycles in hysteresis of soil water retention curve in Russia using X-ray computed tomography	17
Density of soil observations in digital soil mapping: A study in the Mayenne region, France	17
Machine learning based soil maps for a wide range of soil properties for the forested area of Switzerland	17
Digital mapping of soil drainage using remote sensing, DEM and soil color in a semiarid region of Central Iran	17
Analysis of terrain attributes in different spatial resolutions for digital soil mapping application in southeastern Brazil	17
Multi-resolution soil-landscape characterisation in KwaZulu Natal: Using geomorphons to classify local soilscapes for improved digital geomorphological modelling	16
Soil available P, soil organic carbon and aggregation as affected by long-term poultry manure application to Andisols under pastures in Southern Chile	16
Impact of long-term agricultural management practices on soil organic carbon and soil fertility of paddy fields in Northeastern Thailand	16
Genesis of pseudo-sand structure in Oxisols from Brazil – A review	15
Salinity intrusion prediction using remote sensing and machine learning in data-limited regions: A case study in Vietnam's Mekong Delta	15
Could airborne gamma-spectrometric data replace lithological maps as co-variates for digital soil mapping of topsoil particle-size distribution? A case study in Western France	14
Total carbon and nitrogen stocks under different land use/land cover types in the Southwestern region of Nigeria	14
Soil properties changes after seven years of ground mounted photovoltaic panels in Central Italy coastal area	13
Estimation and mapping of surface soil properties in the Caucasus Mountains, Azerbaijan using high-resolution remote sensing data	13
Proximal sensing applied to soil texture prediction and mapping in Brazil	13
Micronutrients prediction via pXRF spectrometry in Brazil: Influence of weathering degree	12
Using Landsat and soil clay content to map soil organic carbon of oxisols and Ultisols near São Paulo, Brazil	12
Termite mound soil properties in West Bengal, India	12
Soil carbon and nitrogen fractions and physical attributes affected by soil acidity amendments under no-till on Oxisol in Brazil	12
Progress in the elaboration of GSM conform DSM products and their functional utilization in Hungary	12
A bibliometric analysis of soil research in Brazil 1989–2018	12
Digital mapping for soil texture class prediction in northwestern Türkiye by different machine learning algorithms	12
Soil organic carbon stocks and stability of organic matter in permafrost-affected soils of Yamal region, Russian Arctic	11
Mapping soil aggregate stability using digital soil mapping: A case study of Ruiru reservoir catchment, Kenya	11
Vertisols: Extreme features and extreme environment	11
Estimating organic carbon stocks of mineral soils in Denmark: Impact of bulk density and content of rock fragments	11
Soil organic carbon (SOC) prediction in Australian sugarcane fields using Vis–NIR spectroscopy with different model setting approaches	11
Inversion of soil pH during the dry and wet seasons in the Yinbei region of Ningxia, China, based on multi-source remote sensing data	11
Exchangeable aluminium and acidity in Acrisols and Ferralsols of the north-west highlands of Cameroon	11
Long-term monitoring of soil quality and trace elements to evaluate land use effects and temporal change in the Wellington region, New Zealand	11
Tropical soil order and suborder prediction combining optical and X-ray approaches	11
Impacts of national scale digital soil mapping programs in France	11
Comparing Uganda's indigenous soil classification system with World Reference Base and USDA Soil Taxonomy to predict soil productivity	11
Rare earth elements in tropical soils, Cameroon soils (Central Africa)	11
Taking digital soil mapping to the field: Lessons learned from the Water Smart Agriculture soil mapping project in Central America	10
Soils2026 and digital soil mapping – A foundation for the future of soils information in the United States	10
Evaluation of models for fitting soil particle-size distribution using UNSODA and a Brazilian dataset	10
Soil quality assessment using erosion-sensitive indices and fuzzy membership under different cropping systems on a Ferralsol in Brazil	10
Spatial distribution of iron forms and features in the dried lake bed of Urmia Lake of Iran	10
Comparison of long-term effects of biochar application on soil organic carbon and its fractions in two ecological sites in karst regions	10
Converting cropland to plantation decreases soil organic carbon stock and liable fractions in the fertile alluvial plain of eastern China	10
UAV-based vegetation monitoring for assessing the impact of soil loss in olive orchards in Brazil	10
Relationships among soil factors and greenhouse gas emissions from furrow-irrigated Rice in the mid-southern, USA	10
Evaluation of Vis-NIR preprocessing combined with PLS regression for estimation soil organic carbon, cation exchange capacity and clay from eastern Croatia	10
Assessment of heavy metal concentrations and behavior in cultivated soils under humid-subhumid environmental condition of the Black Sea region	10
Effects of different sources and spatial resolutions of environmental covariates on predicting soil organic carbon using machine learning in a semi-arid region of Iran	9

Changes in soil organic matter fractions induced by cropland and pasture expansion in Brazil's new agricultural frontier	9
National soil organic carbon map of agricultural lands in Nepal	9
Improving the soil physical properties and relationships between soil properties in arable soils of contrasting texture enhancement using biochar substrates: Case study in Slovakia	9
Digital mapping of Philip model parameters for prediction of water infiltration at the watershed scale in a semi-arid region of Iran	9
Soil spatial variation to guide the development of fertilizer use recommendations for smallholder farms in western Kenya	9
Evaluation of RUSLE and spatial assessment of agricultural soil erosion in Finland	9
C:N:P stoichiometry associated with biochar in forest soils at historical charcoal production sites in Poland	9
Impact of anthropogenic pollution on soil properties in and around a town in Eastern India	9
Carbon stocks of soils under forest in the Komi Republic of Russia	9
Rescue and renewal of legacy soil resource inventories in Iran as an input to digital soil mapping	9
Using dendrogeomorphology to estimate soil erosion in mixed native species and pine forests on Ultisols in Piracicaba, Brazil	8
Geochemistry of soils of a deep pedon in the Okavango Delta, NW Botswana: Implications for pedogenesis in semi-arid regions	8
Hot desert soils—Global distribution and unique characteristics	8
Exploring variability in rangeland soil organic carbon stocks across California (USA) using a voluntary monitoring network	8
Soil surveyor knowledge in digital soil mapping and assessment in Australia	8
Prediction of soil hydraulic properties using VIS-NIR spectral data in semi- arid region of Northern Karnataka Plateau	8
Assessing land suitability for rainfed paddy rice production in Zambia	8
Rapid land use prediction via portable X-ray fluorescence (pXRF) data on the dried lakebed of Avlan Lake in Turkey	8
Land use and soil types affect macropore network, organic carbon and nutrient retention, Lithuania	8
Soil-geomorphology relationships of alluvial fans in Costa Rica	8
Combining different pre-processing and multivariate methods for prediction of soil organic matter by near infrared spectroscopy (NIRS) in Southern Brazil	8
On the impact of grassland management on soil carbon stocks: a worldwide meta-analysis	8
Local soil knowledge, sustainable agriculture and soil conservation in Central Vietnam	8
Spatial-temporal change of soil organic carbon in Anhui Province of East China	8
Soil lead distribution in Chicago, USA	8
Regional investigation of spatial-temporal variability of soil magnesium - a case study from Switzerland	8
Mapping soil organic carbon stocks in Tunisian topsoils	8
Landuse and soil property effects on infiltration into Alfisols in the Lower Mississippi River Valley, USA	8
Heavy metals content in soils of Western Siberia in relation to international soil quality standards	7
Spatial prediction of soil properties for the Busia area, Kenya using legacy soil data	7
Soil nitrogen dynamics under tobacco with different fertilizer management in southern Brazil	7
Assessment of soil diversity using soil maps with different scales in Eastern Fennoscandia, Russia	7
Soil parent material prediction through satellite multispectral analysis on a regional scale at the Western Paulista Plateau, Brazil	7
Soil erodibility prediction by Vis-NIR spectra and environmental covariates coupled with GIS, regression and PLSR in a watershed scale, Iran	7
Acid sulfate soils on the west coast of Sri Lanka: A review	7
Soil order knowledge as a driver in soil properties estimation from Vis-NIR spectral data – Case study from northern Karnataka (India)	7
Tillage recommendation for commercial forest production: Should tillage be based on soil penetrability, bulk density or more complex, integrative properties?	7
The content and distribution of various forms of carbon in urban soils of southern Russia on the example of Rostov agglomeration	7
The persistence and efficacy of nitrification inhibitors to mitigate nitrous oxide emissions from New Zealand pasture soils amended with urine	7
Soil parent material prediction for Brazil via proximal soil sensing	7
Application of regression-kriging and sequential Gaussian simulation for the delineation of forest areas potentially suitable for liming in the Jizera Mountains region, Czech Republic	7
Digital soil mapping of Italy to map derived soil profiles with neural networks	7
Identifying opportunities to improve digital soil mapping in India: A systematic review	7
Effects of straw incorporation and straw-burning on aggregate stability and soil organic carbon in a clay soil of Bangladesh	7
Space-time monitoring of soil organic carbon content across a semi-arid region of Australia	7
How vegetation patches drive soil development and organic matter formation on polar islands	7