Duckweed need less space then any other cultivated plant on earth. For same harvest yield they need only 20% space of that of corn and in comparison to soja it even is only one tenth!
Because it's high content of proteins (33-40%, fibre rate 5%-15%) duckweed suits perfectly as fodder plants. Duckweeds proteins do have higher concentrations of trace elements, essential aminoacids, Lysins and Methionines as most other plants proteins - resemble animals proteins better then any other. Duckweed from heavy metal free waters are without hesitation fit for human consumption. |
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Water Cleaning Ability |
Duckweed is optimal for biological agricultural and communal sewage purification.
Concentrations of 20-60 mg/l NH4N will be processed without any problem.
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Resolving and denitrification of NH3 up to 73%. |
Up to 42%-67% of total Nitrogen,
mainly Ammonium and 56%-95% of Kjeldahl Nitrogen, (Kjeldahl-nitrogen:
Total Kjeldahl Nitrogen is concentration of total N as total amount of organic bound N and Ammonium-N; TKN = org.N + NH4-N; [mg/L]. |
up to 75% of total Sulphur |
up to 9 kg salt/ha/d and up to 93% suspended organic substance will be taken out of the water per day. |