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College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
Hebei Province Key Laboratory of Forest Trees Germplasm Resources and Forest Protection, College of Forestry, Hebei Agricultural University, 2596, Lekai South Street, Baoding 071000, China
National Long-term Scientific Research Base of Forest Cultivation in Saihanba of Hebei, Chengde 067000, China
Hebei Province Key Laboratory of Forest Trees Germplasm Resources and Forest Protection, College of Forestry, Hebei Agricultural University, 2596, Lekai South Street, Baoding 071000, China
National Long-term Scientific Research Base of Forest Cultivation in Saihanba of Hebei, Chengde 067000, China