种子是有生命的有机体。从田间收获的种子,虽然不再生长增大,但它的生命活动仍在微弱而缓慢地继续进行着。种子的生命力与周围环境的关系十分密切,种子贮藏期间,要注意保持它的生命力,使它具有良好的种用品质。影响种子生命力的因素很多,其中最主要的是种子含水量。贮藏期间如果种子含水量过高,没有降至安全含水量,当遇到严寒,高温、或通气 Seeds are living organisms. The seed harvested from the field, although it no longer grows, its life activity is still weak and slowly going on. The vitality of seeds and the surrounding environment are very close, the seeds during storage, should pay attention to maintaining its vitality, it has good quality of use. Many factors affect the vitality of the seed, the most important of which is the seed moisture content. If the water content of seed is too high during storage, it will not reduce to safe water content. When it encounters cold, heat or aeration