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Fig. 1. Landscape position and N fertilizer rate effects on survival of a legume mixture interseeded into a cool-season grass pasture at Rhodes, IA. Values represent overall survival of red clover, alfalfa, and birdsfoot trefoil on 15 Aug. 1998 and 1999. Standard errors for comparison of landscape position means at the same or different N rate were 25.9 in 1998 and 20.1 in 1999. Standard errors for comparison of N rate means at the same landscape position were 25.8 in 1998 and 21.8 in 1999.
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