Study on Variations of Seedling Traits in Choerospondias axillaris Geographic Provenances Variation in Traits of Magnolia officinalis Seedlings from Different Provenances and Their Principal Component Analysis A Study on Variations of Seedling Traits in Schima superba Geographic Provenances Effects of sowing depth on seedling traits and root characteristics of summer maize. Effects of inflorescence position on seed production and seedling establishment in Ligularia virgaurea