1．选用良种我省用于早熟栽培的主要品种是红香椿、红油椿。如红香椿嫩芽及嫩消顶端嫩叶为淡褐红色，塞部叶片紫红色，叶柄淡褐红色，嫩茎为紫红色，嫩芽质柔软，纤维少，香味浓，品质好。2．浸种催芽在2月下旬至3月上旬，按每亩大棚40～50克（高密度栽培每百大棚13o～2O0兄） 1. Selection of elite varieties used in early cultivation in our province is the main varieties of red cedar, red cedar. Such as red toon shoots and tender top tip of the light brown red, plug the leaves of purple, petiole light brown red, tender stems purple, soft tender buds, less fiber, rich flavor, good quality. 2. Seed soaking germination in late February to early March, according to 40 ~ 50 grams per mu of greenhouse (high-density cultivation of 100 per hundred shed 13o ~ 2O0 brother)