白玉兰,木兰科落叶乔木,花型大,色纯白,素雅而清香,叶大而美观,是很好的庭园观赏树种,又有很高的经济价值。 1 出苗期管理 玉兰出苗持续期较长,虽然3月下旬就已播种,但从4月 Magnolia Magnoliaceae deciduous trees, large flowers, pure white color, elegant and delicate fragrance, large leaves and beautiful, is a good garden ornamental tree species, but also a high economic value. 1 Emergence Management Magnolia emergence longer duration, although the sown in late March, but from April