Ariel - Volume 9 Number 2

Executive Editor Emily Wofford Business Manager Fredric Jay Matlin University News John Patrick Welch World News George Robert Coar Editorials Editor Steve Levine Features Mark Rubin Brad Feldstein Photo Rick Spade Circulation Victor Onufreiczuk Lee Wugofsk

Effects of Light, N and Defoliation on Biomass Allocation in Poa annua

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Defoliation affects the root competitive balance for N between Poa annua plants grown in a split-root box

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Carbon Assimilation, Biomass Partitioning and Productivity in Grasses

Plant growth correlates with net carbon gain on a whole plant basis. Over the last several decades, the driving factors shaping plant morphology and performance have become increasingly clear. This review seeks to explore the importance of these factors for grass performance. Briefly, these fall into factors influencing photosynthetic rates directly, competition between plants in a canopy, and nutrient status and availability