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Figure 1


Fig. 1. Regression of grain yield on year of release in the four trials. (a) YPT1 in Beijing, (b) YPT2 in Hebei, (c) YPT3 in Shandong, and (d) YPT4 in Henan. * and ** represent significance at the 0.05 and 0.01 probability levels, respectively.





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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