留兰香又名绿薄荷,属唇形科多年生宿根性芳香类草本植物。茎叶经蒸馏可提炼留兰香油,广泛应用于牙膏、香皂等日用化工品和烟、糖果、食品等方面。我校在红壤开荒田试种留兰香成功后,在稻田旱地和沙洲上大面积种植均获高产。我校农场连续三年用120亩双季稻田和63亩开荒梯田种植留兰香,稻田采取留兰 Spearmint also known as spearmint, is a perennial Lamiaceae root aromatic herbs. Stems and leaves distillation can be refined spearmint oil, widely used in toothpaste, soap and other household chemicals and tobacco, candy, food and so on. Our school in the red soil open land trial spillage success, in paddy fields dry land and large area on the sandbar were high-yielding. My school farm for three consecutive years with 120 acres of double-cropped rice fields and 63 acres of wasteland planted spearmint,