Abstract: Studies on the temporal and spatial dynamics of Glycine soja seed rain and its relationship with meteorological factors show that there are three peaks in the course of pod exploding and seed dispersing, which are related to fine day (relative humidity), but little to temperature. The temporal distribution pattern of seed dispersal is depended on the exploding habit(exploding force) of pod and its location on the plant, but has no relation to wind direction(wind force≤rank 7 on the Beaufort scale).

Key words: Glycine soja, Seed rain, drip irrigation, photosynthetic characteristics, Hetao Irrigation District, mulching, maize