The contents of trace elements and mesne elements changed gently in the growing season.

中量元和微量元量随着生长有所增加，是波动不大。

Can tidy up the wheat,paddy,rice,oil plants mesne big,small,light mixed and lampblack end.

能有效清、稻谷、玉米、油料中大、、轻杂及灰尘等。