This standard stipulates the sources of seed orchard construction materials and the scope of supply of produced seeds. It also stipulates the garden site conditions, zoning, and key points in garden construction and management techniques. This standard applies to productive seed orchards of major coniferous afforestation species.
LY/T 1345-1999 history
1988LY/T 1345-1999 Technique on establishment and management of seed orchards for major coniferous species