油茶高接换优嫁接是油茶低产林改造的一项重要技术措施。赣县油茶低改从 1990年开始就推广油茶高接换优嫁接技术 ,经多年实践 ,沙地、五云、茅店等乡 (镇 )的群众把油茶嫁接技术归结为“过三关七字诀”。即“过好“选择关、接合关、管护关” ,做到“准、光、平、湿、快、紧、严 Camellia high exchange rate grafting is an important technical measure to transform low-yield Camellia oleifera. Since the beginning of 1990, Gaoxian tea-tea-low-reform promoted the technology of high-yielding and high-yield grafting of camellia. After years of practice, the grafting techniques of Camellia came from the masses in the townships of Sandy, Wuyun and Maozhen, Tactic “. That is, ”good“ choice of customs, customs clearance, management and protection ”, so that" quasi-light, flat, wet, fast, tight and strict