Burgess, Paul J.; Incoll, L. D.; Corry, D. T.; Beaton, A.; Hart, B. J.
(Springer Science Business Media, 2004-01-01)
In early 1992, a silvoarable experiment, comprising four poplar (Populus spp.)
hybrids (at a spacing of 10 m x 6.4 m) and four arable treatments, was
established at three contrasting lowland sites in England. By the end ...