“保德油枣”是由康熙皇帝御封而得,距今已有一千一百多年的历史。油枣树具有树势强,生长快,结果早,寿命长,较丰产,抗旱涝等特性;果实具有个大、皮薄、肉厚、味甜,油丝长,油性大,易贮藏,耐装运等特点,无论生食、加制都是食用佳品,且含糖、含维生素C均高,具有调和百药、健胃补脾、安神益气等多种功效,经常服之可以大补元气。其栽培技术如下。1.加强土肥水管理:上肥水是早果稳产 “Bao Dejiao jujube” is a seal from the Emperor Kangxi derived, dating back over 1,100 years of history. The jujube tree has the characteristics of strong tree vigor, rapid growth, early fruiting, long life, high yield, drought resistance and waterlogging. The fruit has the characteristics of big, thin skin, flesh and sweet, long oil silk, Resistant to shipping and other characteristics, regardless of raw food, plus the system are edible Jiapin, and sugary, with vitamin C are high, with a blend of medicine, stomach and spleen, soothe the nerves and other benefits Yiqi Qi, often serving it can make up for strength . The cultivation techniques are as follows. 1. To strengthen the management of soil and fertilizer: on the fertilizer is early and stable yield