УДК |
Аннотация: The book deals with an old beech stand , oak and larch planted in group selection openings, under a crown canopy and an open area for the first three or four years.The purpose of the experiment was to test the possibility of bringing advance groups of European larch and oak on group selection openings in beech stands. In parallel experiments (mostly potted plants) the dry matter production of larch and beech was traced with growth analytical methods on the three plots and also on a smaller selection opening
Экземпляры всего: 1
ИЛ-ИФ (1)
Свободны: ИЛ-ИФ (1)