both cuts) ranged from 5.5 to 11.7 t haÿ1. Note that the
ÔsmoothingÕ eect of kriging resulted in narrower yield
ranges (Fig. 4) than were actually predicted at individual
sampling points. Actual DM yields for the 11 mowed
strips at cut 1 ranged from 3.5 to 6.7 t haÿ1, and those
for the seven mowed strips at cut 2 ranged from 3.0 to
3.7 t haÿ1.