一个新品种、一项新技术的宣传推广方式主要有广告宣传、经销商直接介绍和召开现场观摩会3种形式。其中召开现场观摩会具有眼见为实、直接面对经销商和种植户、宣传效率高、节约费用等优点,是大家公认的新品种、新技术推广,尤其是新品种 A new breed, a new technology promotion are mainly advertising, dealers directly introduced and held on-site observation will be three forms. Among them, the holding of on-site observation meeting has the merits of seeing and seeing directly facing dealers and growers, high publicity efficiency and cost-saving, etc. It is recognized as a new variety and new technology promotion, especially new variety