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Figure 1


Figure 1. Treatment effects on leaf concentrations of chlorophyll, N, Ca, and Mg across years (1997 and 1998) and crops (wheat and oat). Error bars represent standard error of the mean. (BCOA, bird cherry-oat aphids; BYDV, barley yellow dwarf virus; Cont., control; GB, greenbug; RWA, Russian wheat aphids.)





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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Agronomy Journal Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education		 Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome