Opening up effect belt in dahurian larch (Larix gmelini) plantation can significantly promote the growth and development of manchurian ash (Fraxinus mandshur-ica) natural regcneration seedlings. The quantity, growth and distribution characters of manchurian ash natural regeneration seedling and the seed quantity of manchurian ash on the effect belt are significantly much more than that on remained belt. It provides a theoretical basis for using the management method of - Cutting coniferous to introduce broadleal trees in the coniferous stand, improving the stand structure, increasing the ecological stability and biological productivity.
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