Mixture

2012

2013

Prime

Marginal

Switchgrass/cup plant

0.47

0.88

0.84

Prairie cordgrass/cup plant

0.45

0.58

0.66

Switchgrass/prairie cordgrass/cup plant

0.34

0.51

0.61

lsd (0.05)

0.06

0.08

0.06