All Stories

  1. Integrated Processes Controlling the Functioning and Quality of Sandy Soil Cultivated with Bean Under Biochar Application in a Semiarid Region

    Article • AgriEngineering, March 2026, MDPI AG

    Dr Claude Hammecker

  2. Nutrient Enrichment by Poultry Biochar Reshapes Soil Microbial Networks, Reducing Interaction Complexity in Tropical Sandy Soils

    Article • Journal of soil science and plant nutrition, February 2026, Springer Science + Business Media

    Dr Claude Hammecker

  3. Biochar as a Protective Layer Boosts Phosphate‐Solubilizing Bacteria Effects on Phosphorus and Microbial Activity in Degraded Soils

    Article • Land Degradation and Development, January 2026, Wiley

    Dr Claude Hammecker

  4. Vacuum pyrolysis of olive pomace for biochar production: Enhancing carbon stability and soil nutrient supply

    Article • Results in Engineering, December 2025, Elsevier

    Dr Claude Hammecker

  5. Biochars Derived from Diverse Local Tunisian Feedstocks for Environmental Remediation: Physicochemical Properties and Adsorption Behaviour

    Article • Land, November 2025, MDPI AG

    Dr Claude Hammecker

  6. Performance of coffee husk biochar in sulfadiazine retention and remediation of soil water contamination: a batch and column study

    Article • Urban Water Journal, August 2025, Taylor & Francis

    Dr Claude Hammecker

  7. Eco-Friendly Suppression of Grapevine Root Rot: Synergistic Action of Biochar and Trichoderma spp. Against Fusarium equiseti

    Article • Agriculture, August 2025, MDPI AG

    Dr Claude Hammecker

  8. Sewage Sludge Biochar Improves Water Use Efficiency and Bean Yield in a Small-Scale Field Experiment with Different Doses on Sandy Soil Under Semiarid Conditions

    Article • AgriEngineering, July 2025, MDPI AG

    Dr Claude Hammecker

  9. Spatial variations in runoff, sediment, and nutrient losses induced by toposequence and biochar application in upland maize farming

    Article • International Soil and Water Conservation Research, July 2025, Elsevier

    Dr Claude Hammecker, Dr Jean-Louis JANEAU

  10. Biochar and Plant Growth-Promoting Bacteria Boost Chemical and Biological Properties of Semiarid Soil in Cowpea

    Article • Soil Systems, February 2025, MDPI AG

    Dr Claude Hammecker

  11. Macrofaunal biopores: Diversity and regeneration rates across diverse pedoclimatic conditions studied with repacked soil cores

    Article • Geoderma, February 2025, Elsevier

    Dr Jean-Louis JANEAU, Dr Claude Hammecker

  12. Evaluation of biochar amendments to retain organic compounds in soil

    Article • IOP Conference Series Earth and Environmental Science, February 2025, Institute of Physics Publishing

    Dr Claude Hammecker

  13. Impact of Conversion of the Caatinga Forest to Different Land Uses on Soil and Root Respiration Dynamics in the Brazilian Semiarid Region

    Article • Sustainability, December 2024, MDPI AG

    Dr Claude Hammecker

  14. Productivity and health of soil cultivated with forage cactus (Opuntia cochenillifera (L.) Mill.) with combined use of topsoil and biochar

    Article • Revista Brasileira de Geografia Física, July 2024, Revista Brasileira de Geografia Fisica

    Dr Claude Hammecker

  15. Residual effect of biochar on microbial biomass and enzyme activities of soil cultivated with grape varieties: a two -year field assessment

    Article • Revista Brasileira de Geografia Física, July 2024, Revista Brasileira de Geografia Fisica

    Dr Claude Hammecker

  16. Evaluation of Soil Hydraulic Properties in Northern and Central Tunisian Soils for Improvement of Hydrological Modelling

    Article • Land, March 2024, MDPI AG

    Dr Claude Hammecker

  17. Direct measurement and indirect estimation of unsaturated soil hydraulic properties in Tunisian soils.

    Article • March 2024, Copernicus GmbH

    Dr Claude Hammecker

  18. Improvement of contaminant retention with the use of biochar in the groundwater infiltration basin of Korba (Tunisia)

    Article • March 2024, Copernicus GmbH

    Dr Claude Hammecker

  19. Revitalizing fertility of global soils: Meta-analysis on benefits of poultry litter biochar on soil health

    Article • Revista Brasileira de Engenharia Agrícola e Ambiental, January 2024, FapUNIFESP (SciELO)

    Dr Claude Hammecker

  20. Biochar from different waste sources as alternative substrates for lettuce and tomato seedling production

    Article • Revista Brasileira de Geografia Física, December 2023, Revista Brasileira de Geografia Fisica

    Dr Claude Hammecker

  21. A meta-analysis of biochar application to manage plant diseases caused by bacterial pathogens

    Article • Bioscience Journal, August 2023, EDUFU - Editora da Universidade Federal de Uberlandia

    Dr Claude Hammecker

  22. Effect of slope position on hydrochory processes: a natural rainfall study in tropical agroecosystem

    Article • February 2023, Copernicus GmbH

    Dr Claude Hammecker, Dr Jean-Louis JANEAU

  23. Diversity of soil biopores and their influence on soil water infiltration under various pedoclimatic conditions

    Article • February 2023, Copernicus GmbH

    Dr Claude Hammecker

  24. Modelling of water infiltration into water repellent soils

    Article • May 2022, Copernicus GmbH

    Dr Claude Hammecker

  25. Slope position and biochar influence soil properties and seed displacement in a tropical agroecosystem

    Article • European Journal of Soil Science, January 2022, Wiley

    Dr Claude Hammecker, Dr Jean-Louis JANEAU

  26. Biochar and Trichoderma spp. in management of plant diseases caused by soilborne fungal pathogens: a review and perspective

    Article • Research Society and Development, November 2021, Research, Society and Development

    Dr Claude Hammecker

  27. Biochar from different sources against tomato bacterial wilt disease caused by Ralstonia solanacearum

    Article • Journal of soil science and plant nutrition, November 2021, Springer Science + Business Media

    Dr Claude Hammecker

  28. Characterization of Pterocarpus macrocarpus (pradoo wood) biochar and its effect on the retention properties of sandy soils in Northeast Thailand

    Article • Soil Use and Management, October 2021, Wiley

    Dr Claude Hammecker

  29. Biochar enhances Acrisol attributes and yield of bean in Brazilian tropical dry region

    Article • Acta Agriculturae Scandinavica Section B - Soil & Plant Science, June 2021, Taylor & Francis

    Dr Claude Hammecker

  30. Biochar and Cow Manure on Chemical and Microbial Community in Regosol with Bean

    Article • Journal of soil science and plant nutrition, March 2021, Springer Science + Business Media

    Dr Claude Hammecker

  31. Effects of Poultry Manure and Biochar on Acrisol Soil Properties and Yield of Common Bean. A Short-Term Field Experiment

    Article • Agriculture, March 2021, MDPI AG

    Dr Claude Hammecker

  32. Modeling water infiltration into hydrophobic soils

    Article • February 2021, Wiley

    Dr Claude Hammecker

  33. Biochar as a strategy to manage plant diseases caused by pathogens inhabiting the soil: a critical review

    Article • Phytoparasitica, February 2021, Springer Science + Business Media

    Dr Claude Hammecker

  34. Coffee waste as an eco-friendly and low-cost alternative for biochar production impacts on sandy soil chemical attributes and microbial gene abundance

    Article • Bragantia, January 2021, FapUNIFESP (SciELO)

    Dr Claude Hammecker

  35. Impact of coffee biochar on carbon, microbial biomass and enzyme activities of a sandy soil cultivated with bean

    Article • Anais da Academia Brasileira de Ciências, January 2021, FapUNIFESP (SciELO)

    Dr Claude Hammecker

  36. Biochar increases soil water content and total organic carbon but has no effects on soil respiration in a Regosol of Caatinga

    Article • Revista Brasileira de Geografia Física, December 2020, Revista Brasileira de Geografia Fisica

    Dr Claude Hammecker

  37. Biochar de Lodo de Esgoto Aumenta a Produção e Eficiência no Uso de Água da Alface

    Article • Revista Brasileira de Geografia Física, July 2020, Revista Brasileira de Geografia Fisica

    Dr Claude Hammecker

  38. Impacts of land-use changes on soil respiration in the semi-arid region of Brazil

    Article • January 2020, Revista Brasileira de Ciencia do Solo

    Dr Claude Hammecker

  39. Human disturbance affects enzyme activity, microbial biomass and organic carbon in tropical dry sub-humid pasture and forest soils

    Article • Archives of Agronomy and Soil Science, May 2019, Taylor & Francis

    Erika Valente de Medeiros, Dr Claude Hammecker

  40. Soil organic carbon fractions and humic substances are affected by land uses of Caatinga forest in Brazil

    Article • Arid Land Research and Management, January 2019, Taylor & Francis

    Erika Valente de Medeiros, Dr Claude Hammecker

  41. Seasonal effect of land use type on soil absolute and specific enzyme activities in a Brazilian semi-arid region

    Article • CATENA, January 2019, Elsevier

    Dr Claude Hammecker

  42. Intercrops improve the drought resistance of young rubber trees

    Article • Agronomy for Sustainable Development, October 2018, Springer Science + Business Media

    Dr Claude Hammecker

  43. Land use changes the soil carbon stocks, microbial biomass and fatty acid methyl ester (FAME) in Brazilian semiarid area

    Article • Archives of Agronomy and Soil Science, September 2018, Taylor & Francis

    Erika Valente de Medeiros, Dr Claude Hammecker

  44. Effect of biochar on physicochemical properties of a sandy soil and maize growth in a greenhouse experiment

    Article • Geoderma, June 2018, Elsevier

    Dr Claude Hammecker

  45. Soil organic carbon, microbial biomass and enzyme activities responses to natural regeneration in a tropical dry region in Northeast Brazil

    Article • CATENA, April 2017, Elsevier

    Dr Claude Hammecker

  46. Dinitrogen fixation by the legume cover crop Pueraria phaseoloides and transfer of fixed N to Hevea brasiliensis—Impact on tree growth and vulnerability to drought

    Article • Agriculture Ecosystems & Environment, February 2016, Elsevier

    Dr Claude Hammecker

  47. Use of field and laboratory methods for estimating unsaturated hydraulic properties under different land uses

    Article • Hydrology and Earth System Sciences, March 2015, Copernicus GmbH

    Dr Claude Hammecker

  48. A simple framework to analyze water constraints on seasonal transpiration in rubber tree (Hevea brasiliensis) plantations

    Article • Frontiers in Plant Science, January 2015, Frontiers

    Dr Claude Hammecker

  49. Environmental control on water vapour and energy exchanges over grasslands in semiarid region of Brazil

    Article • Revista Brasileira de Engenharia Agrícola e Ambiental, January 2015, FapUNIFESP (SciELO)

    Dr Claude Hammecker

  50. Use of field and laboratory methods for estimating unsaturated hydraulic properties under different land-use

    Article • Hydrology and Earth System Sciences Discussions, June 2014, Copernicus GmbH

    Dr Claude Hammecker

  51. Water and energy flux measurements in rainfed cowpea cultivated in Northeast Brazil

    Article • Revista Brasileira de Ciências Agrárias - Brazilian Journal of Agricultural Sciences, June 2013, Revista Brasileira de Ciencias Agrarias

    Dr Claude Hammecker

  52. Unexpected absence of control of rubber tree growth by soil water shortage in dry subhumid climate

    Article • Agronomy for Sustainable Development, January 2013, Springer Science + Business Media

    Dr Claude Hammecker

  53. Quantification and modelling of water flow in rain-fed paddy fields in NE Thailand: Evidence of soil salinization under submerged conditions by artesian groundwater

    Article • Journal of Hydrology, August 2012, Elsevier

    Dr Claude Hammecker

  54. Soil cover and landscape evolution in the Senegal floodplain: a review and synthesis of processes and interactions during the late Holocene

    Article • European Journal of Soil Science, October 2011, Wiley

    Dr Claude Hammecker

  55. TRANSPIRATION, GROWTH AND LATEX PRODUCTION OF A HEVEA BRASILIENSIS STAND FACING DROUGHT IN NORTHEAST THAILAND: THE USE OF THE WaNuLCAS MODEL AS AN EXPLORATORY TOOL

    Article • Experimental Agriculture, September 2011, Cambridge University Press

    Dr Claude Hammecker

  56. Capillary rise quantifications based on in-situ artificial deuterium peak displacement and laboratory soil characterization

    Article • Hydrology and Earth System Sciences, May 2011, Copernicus GmbH

    Dr Claude Hammecker

  57. Yield of rice under water and soil salinity risks in farmers’ fields in northeast Thailand

    Article • Field Crops Research, September 2010, Elsevier

    Dr Claude Hammecker

  58. Simulating the evolution of soil solutions in irrigated rice soils in the Sahel

    Article • Geoderma, April 2009, Elsevier

    Dr Claude Hammecker

  59. DEPURATION OF HIGHWAY RUNOFF WATER INTO GRASS‐COVERED EMBANKMENTS

    Article • Environmental Technology, June 2008, Taylor & Francis

    Dr Claude Hammecker

  60. Subirrigation of land bordering small reservoirs in the semi-arid region in the Northeast of Brazil: monitoring and water balance

    Article • Agricultural Water Management, May 2005, Elsevier

    Dr Claude Hammecker

  61. The effect of irrigated rice cropping on the alkalinity of two alkaline rice soils in the Sahel

    Article • Geoderma, April 2004, Elsevier

    Dr Claude Hammecker

  62. A simplified water transfer model of the reservoir–ebb tide system, including preferential flow, in the semi-arid region in Northeastern Brazil

    Article • Journal of Hydrology, February 2004, Elsevier

    Dr Claude Hammecker

  63. Article • Transport in Porous Media, January 2004, Springer Science + Business Media

    Dr Claude Hammecker

  64. Experimental and numerical study of water flow in soil under irrigation in northern Senegal: evidence of air entrapment

    Article • European Journal of Soil Science, September 2003, Wiley

    Dr Claude Hammecker

  65. Processes driving soil solution chemistry in a flooded rice-cropped vertisol: analysis of long-time monitoring data

    Article • Geoderma, November 2002, Elsevier

    Dr Claude Hammecker

  66. Salt distribution in the Senegal middle valley

    Article • Agricultural Water Management, January 2001, Elsevier

    Dr Claude Hammecker

  67. Experimental study of limestone and sandstone sulphation in polluted realistic conditions: The Lausanne Atmospheric Simulation Chamber (LASC)

    Article • Atmospheric Environment, September 1996, Elsevier

    Dr Claude Hammecker

  68. The importance of the petrophysical properties and external factors in the stone decay on monuments

    Article • Pure and Applied Geophysics, November 1995, Springer Science + Business Media

    Dr Claude Hammecker

  69. Modelling the capillary imbibition kinetics in sedimentary rocks: Role of petrographical features

    Article • Transport in Porous Media, January 1994, Springer Science + Business Media

    Dr Claude Hammecker

  70. A geometrical model for numerical simulation of capillary imbibition in sedimentary rocks

    Article • Transport in Porous Media, August 1993, Springer Science + Business Media

    Dr Claude Hammecker