1.采收时期香椿芽以谷雨前采收为佳,应吃早、吃鲜。谷雨后的香椿芽,其膳食纤维老化,口感涩硬,营养价值也大大降低。一般来说,露地的香椿每年可采收2～3次,而保护地栽培的香椿每年可采收3～5次。当香椿主芽长到20厘米时即可采芽,用剪刀剪芽,并在基部保留1～2枚叶片,以利侧芽萌发,中间间隔10～15天。采收宜在早 1. Harvesting period tortoise bud harvest before the valley is better, should eat early, eat fresh. Toon after the valley rain, its dietary fiber aging, taste astringent hard, nutritional value is greatly reduced. In general, open toon can be harvested 2 to 3 times a year, while protected cultivated toon can be harvested 3 to 5 times a year. When the main bud of Toona sinensis grows to 20 cm long, it can be sprouted, scissors cut with scissors and 1 to 2 leaves at the base to facilitate the germination of lateral buds. The interval is 10 to 15 days. Harvest should be early