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Auteur J. Johnson |
Documents disponibles écrits par cet auteur (3)
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G. Knudsen ; J. Johnson ; D. Eschen | 1990article/chapitre/communication
D. Legg ; R. Nowierski ; M. Feng ; F. Peairs ; G. Hein ; L. Elberson ; J. Johnson | 1994A sequential-interval procedure was developed to calculate upper and lower stop values of binomial sequential sampling models for the Russian wheat aphid, Diuraphis noxia (Kurdjumov), infesting small grains. This procedure was developed for econ[...]article/chapitre/communication
L. Elberson ; J. Johnson | 1995Weekly sampling of Diuraphis noxia ia (Kurdjumov) infesting wheat and barley at four sites in northern Idaho was conducted during the growing seasons from 1989 to 1992. Infestations were higher in the spring-planted than in the fall-planted cere[...]