H. van Keulen focuses on Agronomy, Agriculture, Environmental resource management, Agroforestry and Simulation modeling. His studies in Agronomy integrate themes in fields like Soil water, Plant nutrition and Nitrogen balance. His research in Agriculture intersects with topics in Livestock and Nutrient.
His study in Environmental resource management is interdisciplinary in nature, drawing from both Land quality, Environmental economics, Resource management and Scale. His biological study spans a wide range of topics, including Spring and Land use. His Nutrient management research includes themes of Dairy farming and Manure.
H. van Keulen mainly focuses on Agronomy, Agriculture, Agroforestry, Environmental resource management and Land use. H. van Keulen interconnects Nutrient management and Nutrient in the investigation of issues within Agronomy. His Agriculture research integrates issues from Sustainability and Agricultural economics.
H. van Keulen has included themes like Productivity, Climate change, Crop production, Greenhouse effect and Arid in his Agroforestry study. His studies in Environmental resource management integrate themes in fields like Resource management and Natural resource management. H. van Keulen focuses mostly in the field of Dairy farming, narrowing it down to matters related to Agricultural science and, in some cases, Mixed farming.
His primary areas of investigation include Agronomy, Agriculture, Crop yield, Agricultural economics and Environmental resource management. His Agronomy study combines topics from a wide range of disciplines, such as Soil organic matter and Leaching. His research in Agriculture intersects with topics in Agroforestry, Livestock, Sustainability and Scale.
The various areas that H. van Keulen examines in his Agroforestry study include Dairy farming, Plant growth and Farm water. His studies deal with areas such as Competition, Agricultural productivity, Soil fertility and Subsistence agriculture as well as Agricultural economics. The concepts of his Environmental resource management study are interwoven with issues in Biomass, Biodiversity, Natural resource economics and Ecological relationship.
H. van Keulen mostly deals with Agronomy, Agriculture, Crop yield, Agricultural economics and Land use. The study incorporates disciplines such as Endosperm, Plant nutrition and Wet season in addition to Agronomy. His Agriculture research is multidisciplinary, incorporating perspectives in Agroforestry and Sustainability.
His Crop yield study integrates concerns from other disciplines, such as Biomass, Atmospheric sciences, Irrigation and Arable land. His biological study spans a wide range of topics, including Cropping, Nutrient management, Soil fertility and Development plan. The Land use study which covers Natural resource economics that intersects with Adaptive capacity, Land-use planning and Farm income.
C.A. van Diepen;J. Wolf;H. van Keulen;C. Rappoldt
M.K van Ittersum;P.A Leffelaar;H van Keulen;M.J Kropff
B.A.M. Bouman;H. van Keulen;H.H. van Laar;R. Rabbinge
H. van Keulen;J. Wolf
J.W. Jones;E. Dayan;L.H. Allen;H. van Keulen
H. van Keulen;N. G. Seligman
P.D. Jamieson;J.R. Porter;J. Goudriaan;J.T. Ritchie
Ken E. Giller;Ed C. Rowe;Nico de Ridder;Herman van Keulen
C.J.T. Spitters;H. van Keulen;D.W.G. van Kraalingen
J.J. Schröder;H.F.M. Aarts;H.F.M. ten Berge;H. van Keulen
N. de Ridder;H. van Keulen
H. van Keulen
S. lópez-ridaura;H. Van. Keulen;M. K. van. Ittersum;P. A. Leffelaar
H. van Keulen;F.W.T. Penning de Vries;E.M. Drees
H.F.M. Aarts;E.E. Biewing;H. van Keulen
C. A. van Diepen;H. van Keulen;J. Wolf;J. A. A. Berkhout
J.H.N. Palma;A.R. Graves;R.G.H. Bunce;P.J. Burgess
B.T. Kassie;R.P. Roetter;H. Hengsdijk;S. Asseng
S Asseng;H van Keulen;W Stol
N.G. Seligman;H. van. Keulen
H. van Keulen;H. Breman
C.T. de Wit;H. van Keulen;N.G. Seligman;I. Spharim
H. van Keulen;N.G. Seligman;R.W. Benjamin
B.A.M. Bouman;H. van Keulen;H.H. van Laar
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