title: Comments on Experimentation in Twentieth-Century Agricultural Science.
authors.affiliation: University of Manchester and Kings College London, 13 Hartington Villas, Hove, BN3 6HF, UK, jonathan.harwood@manchester.ac.uk.
authors.forename: Jonathan
authors.initials: J
authors.lastname: Harwood
mesh_terms: D000383:Agriculture / Q000266:history*; D005060:Europe; D049673:History, 20th Century; D012107:Research Design