title: The Effect of Volatile Substances Released by Soil, Humus, and Composts on the Growth of Excised Roots.
authors.affiliation: SOILS DEPARTMENT, WISCONSIN AGRICULTURAL EXPERIMENT STATION, MADISON, WISCONSIN.
authors.forename: D J
authors.initials: DJ
authors.lastname: Persidsky
authors.forename: S A
authors.initials: SA
authors.lastname: Wilde