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Comparison of Fixed-Wall and Pressurized-Wall Minirhizotrons for Fine Root Growth Measurements in Eight Crop Species

USDA-ARS, P.O. Box 459, Mandan, ND 58554. Contribution of the Northern Great Plains Research Laboratory, USDA-ARS, Mandan, ND

View larger version (34K): [in a new window]   Fig. 1. Time courses of midpoint depths of root length density (RLD) profile areas and maximum root growth depths measured with fixed-wall minirhizotrons (F-wall MRs) and pressurized-wall minirhizotrons (P-wall MRs) in various crops species.