13 June 2014

lemna minor

where once it was blue is now green.  
did you know that "duckweed" not only cleans the water but has more protein per m2 area than soyabeans? this makes the plant attractive as animal feed or raw material for biogas.

1 comment:

  1. Bisher fande ich das Zeug immer eklig.
    Danke für den Sinneswandel !