VZJ Journal of Natural Resources and Life Sciences Education
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Fig. 5. Bouteloua gracilis (blue grama), Pascopyron smithii (western wheatgrass, formerly Agropyron smithii), and other species as percentages of total biomass on conventional (C) and integrated (I) plots in 1986 (reported in Nyhan et al., 1990) and in 1995.





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The SCI Journals Agronomy Journal Crop Science
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