World's Best Scientists 2026 revealed!
Paul L. G. Vlek

Paul L. G. Vlek

D-Index & Metrics

Plant Science and Agronomy

D-Index
71
Citations
14490
World Ranking
691
National Ranking
57

Research.com Recognitions

  • 2008 - Fellow of the Soil Science Society of America (SSSA)
  • 2004 - Fellow of the American Society of Agronomy (ASA)

Overview

What is he best known for?

The fields of study he is best known for:

  • Agriculture
  • Ecology
  • Agronomy

The scientist’s investigation covers issues in Agronomy, Soil water, Agriculture, Ammonia volatilization from urea and Fertilizer. He interconnects Ecology, Nutrient, Shifting cultivation and Soil retrogression and degradation in the investigation of issues within Agronomy. His Soil water research focuses on Animal science and how it relates to Nitrate.

When carried out as part of a general Agriculture research project, his work on Cropping, Summer fallow and Sustainable agriculture is frequently linked to work in Food processing, therefore connecting diverse disciplines of study. His research investigates the connection between Cropping and topics such as Tillage that intersect with issues in Agroforestry. His Ammonia volatilization from urea research is multidisciplinary, incorporating elements of Environmental chemistry, Denitrification, Tropics and Paddy field.

His most cited work include:

  • An appraisal of global wetland area and its organic carbon stock (325 citations)
  • Farmers’ perception and adaptation to climate change: a case study of Sekyedumase district in Ghana (207 citations)
  • Effect of environmental factors on ammonia volatilization from a urea-fertilized soil (173 citations)

What are the main themes of his work throughout his whole career to date?

Paul L. G. Vlek spends much of his time researching Agronomy, Hydrology, Agroforestry, Agriculture and Fertilizer. The Agronomy study combines topics in areas such as Soil water, Soil fertility and Nutrient. The study incorporates disciplines such as Soil science and Soil retrogression and degradation in addition to Hydrology.

Paul L. G. Vlek focuses mostly in the field of Agroforestry, narrowing it down to matters related to Land degradation and, in some cases, Normalized Difference Vegetation Index and Environmental resource management. His Agriculture study combines topics in areas such as Climate change, Socioeconomics and Land use. Paul L. G. Vlek works in the field of Fertilizer, focusing on Ammonia volatilization from urea in particular.

He most often published in these fields:

  • Agronomy (35.66%)
  • Hydrology (18.03%)
  • Agroforestry (15.57%)

What were the highlights of his more recent work (between 2011-2020)?

  • Agronomy (35.66%)
  • Agroforestry (15.57%)
  • Land degradation (8.20%)

In recent papers he was focusing on the following fields of study:

His primary scientific interests are in Agronomy, Agroforestry, Land degradation, Hydrology and Agriculture. His Agronomy research incorporates elements of Soil carbon and Soil fertility. He combines subjects such as Sustainable agriculture, Environmental resource management, Normalized Difference Vegetation Index and Land management with his study of Land degradation.

Paul L. G. Vlek has included themes like Soil science, Soil water and Soil test in his Hydrology study. As part of one scientific family, he deals mainly with the area of Soil water, narrowing it down to issues related to the Nutrient, and often Vegetation and Ecosystem. His Agriculture study incorporates themes from Climate change, Socioeconomics and Fertilizer.

Between 2011 and 2020, his most popular works were:

  • Farmers’ perception and adaptation to climate change: a case study of Sekyedumase district in Ghana (207 citations)
  • Socio-economic and biophysical determinants of land degradation in Vietnam: An integrated causal analysis at the national level (68 citations)
  • Soil aggregation and total diversity of bacteria and fungi in various tillage systems of sub-humid and semi-arid Kenya (51 citations)

In his most recent research, the most cited papers focused on:

  • Agriculture
  • Ecology
  • Ecosystem

His primary areas of study are Agronomy, Land degradation, Tillage, Agriculture and Conventional tillage. His Agronomy research includes themes of Crop residue and Conservation agriculture. The concepts of his Land degradation study are interwoven with issues in Soil fertility, Primary production, Hydrology, Land management and Normalized Difference Vegetation Index.

Paul L. G. Vlek is involved in the study of Hydrology that focuses on Groundwater in particular. His biological study spans a wide range of topics, including Productivity, Cultivar, Yield and Fertilizer. In his study, which falls under the umbrella issue of Irrigation, Nutrient and Salinity is strongly linked to Leaching.

Best Publications

  • Farmers’ perception and adaptation to climate change: a case study of Sekyedumase district in Ghana

    B.Y. Fosu-Mensah;Paul L.G. Vlek;Dilys S. MacCarthy

  • An appraisal of global wetland area and its organic carbon stock

    Sudip Mitra;Reiner Wassmann;Paul L. G. Vlek

  • Effect of environmental factors on ammonia volatilization from a urea-fertilized soil

    R. J. B. Bouwmeester;P. L. G. Vlek;J. M. Stumpe

  • Analysis of factors determining sediment yield variability in the highlands of northern Ethiopia

    L. Tamene;S.J. Park;R. Dikau;P.L.G. Vlek

  • Beneficial effects of blue-green algae and Azolla, excluding supplying nitrogen, on wetland rice fields: a review

    B. Mandal;P. L. G. Vlek;L. N. Mandal

  • Traits associated with improved P-uptake efficiency in CIMMYT's semidwarf spring bread wheat grown on an acid Andisol in Mexico.

    G.G.B. Manske;J.I. Ortiz-Monasterio;M. Van Ginkel;R.M. González

  • Effects of Solution Chemistry and Environmental Conditions on Ammonia Volatilization Losses From Aqueous Systems

    P.L.G. Vlek;J. M. Stumpe

  • 7. The efficacy and loss of fertilizer N in lowland rice

    Paul L G Vlek;Bernard H Byrnes

  • Catchment-scale spatial variability of soil properties and implications on site-specific soil management in northern Ethiopia

    Gebreyesus Brhane Tesfahunegn;Gebreyesus Brhane Tesfahunegn;Lulseged Tamene;Paul L.G. Vlek

  • Environmental correlation of three-dimensional soil spatial variability: a comparison of three adaptive techniques

    S.J Park;P.L.G Vlek

  • Importance of P uptake efficiency versus P utilization for wheat yield in acid and calcareous soils in Mexico

    G.G.B. Manske;J.I. Ortiz-Monasterio;M. van Ginkel;R.M. González

  • Fire-free alternatives to slash-and-burn for shifting cultivation in the eastern Amazon region: the role of fertilizers

    M.S.A Kato;O.R Kato;M Denich;P.L.G Vlek

  • Ammonia volatilization from flooded soils

    Paul Lg Vlek;Eric T Craswell

  • Groundwater table and salinity: Spatial and temporal distribution and influence on soil salinization in Khorezm region (Uzbekistan, Aral Sea Basin)

    M. Ibrakhimov;A. Khamzina;I. Forkutsa;G. Paluasheva

  • Soil microbiological parameters as indicators of soil quality under improved fallow management systems in south-western Nigeria

    Barbara Wick;Ronald F. Kühne;Paul L.G. Vlek

  • Socio-economic and biophysical determinants of land degradation in Vietnam: An integrated causal analysis at the national level

    Quyet Manh Vu;Quang Bao Le;Emmanuel Frossard;Paul L.G. Vlek

  • The role of fertilizers in sustaining agriculture in sub-Saharan Africa

    P. L. G. Vlek

  • Root Architecture—Wheat as a Model Plant

    Günther G. B. Manske;Paul L. G. Vlek

  • Comparison of adaptive techniques to predict crop yield response under varying soil and land management conditions

    S.J. Park;C.S. Hwang;P.L.G. Vlek

  • Carbon storage and root penetration in deep soils under small-farmer land-use systems in the Eastern Amazon region, Brazil.

    Rolf Sommer;Manfred Denich;Paul L.G. Vlek

  • Modeling irrigated cotton with shallow groundwater in the Aral Sea Basin of Uzbekistan: II. Soil salinity dynamics

    I. Forkutsa;Rolf Sommer;Rolf Sommer;Y. I. Shirokova;J. P. A. Lamers

Frequent Co-Authors

John P. A. Lamers
John P. A. Lamers University of Bonn
Christopher Martius
Christopher Martius Center for International Forestry Research, Germany
Manfred Denich
Manfred Denich University of Bonn
Nick van de Giesen
Nick van de Giesen Delft University of Technology
Jan M. H. Hendrickx
Jan M. H. Hendrickx New Mexico Institute of Mining and Technology
Stefan Dech
Stefan Dech German Aerospace Center
Mathias Becker
Mathias Becker University of Bonn
Reiner Wassmann
Reiner Wassmann International Atomic Energy Agency
Meine van Noordwijk
Meine van Noordwijk World Agroforestry Centre

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