Concepedia

Harold C.H.G. van der Valk

HC

1

Publications

16

Citations

1

H-Index

1999

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Harold C.H.G. van der Valk is an author specializing in agricultural economics, crop protection, and pest management.

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Publications per year

1999–1999

1

Publications

1

Does grasshopper control create grasshopper problems? -Monitoring side-effects of fenitrothion applications in the western Sahel

Harold C.H.G. van der Valk, Abdoulaye Niassy, Alioune Beye · Crop Protection · 1999 · 16 citations

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