Carsten Olsen

Carsten Olsen
Born(1891-03-01)1 March 1891
Died19 August 1974(1974-08-19) (aged 83)
NationalityDanish
Alma materUniversity of Copenhagen
Known forPlant nutrition in relation to soil pH
Scientific career
FieldsPlant ecology, Plant physiology
InstitutionsCarlsberg Laboratory

Carsten Erik Olsen (1 March 1891 – 19 August 1974) was a Danish plant ecologist and plant physiologist, who pioneered the study of plant nutrition in soils of different pH.