慈溪地处浙江东部沿海 ,梨树栽培历史悠久 ,近年来栽培面积扩大更为迅速 ,总面积已达 0 .30 6万ｈｍ2 。特别是沿海经过改造种植棉花、蔬菜等作物的部分地区也逐渐改种梨树。梨树虽然是适生性比较广泛的经济树种 ,但在沿海盐碱地要获得较好的生长状况 ,并取得一定的经济效益和 Cixi is located in the eastern coast of Zhejiang Province, pear cultivation has a long history, in recent years to expand more rapidly cultivated area, the total area has reached 0.30 6 million hm2. In particular, some parts of the coastal area, such as cotton, vegetables and other crops that have been rebuilt, have been gradually re-introduced to pear trees. Although the pear tree is more suitable for economic species, but in the coastal saline-alkali to get better growth and achieve certain economic benefits and