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Fig. 3. Biplot for sample means and variables. Sample points, signified by a letter and number, are composed of mixes of alfalfa and orchardgrass (O), alfalfa and timothy (T), alfalfa and reed canarygrass (R), pure-sown alfalfa (A), Harvest 1 (1), and Harvest 2 (2). The variables include leaf-to-stem mass ratio (LSR), length of Internode 1 (IN1), length of Internode 2 (IN2), grass yield (Grass), alfalfa yield (Alfalfa), bluegrass yield (Bluegrass), alfalfa stem diameter (Diameter), alfalfa height (Height), number of alfalfa nodes (Nodes), alfalfa leaf neutral detergent fiber (LNDF), and alfalfa stem neutral detergent fiber (SNDF).
