Issue
Agronomie
Volume 5, Number 9, 1985
Page(s) 773 - 778
DOI http://dx.doi.org/10.1051/agro:19850901
Agronomie 5 (1985) 773-778
DOI: 10.1051/agro:19850901

Analysis of parasite and predator populations observed in pear orchards infested by Psylla pyri (L.) (Hom. : Psyllidae) in France

Franck HERARD

Without abstract



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