Russian Nitrogen Producing Plant - Knowledgebase Question

Saint Paul, MN
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Question by laprokop
December 3, 2006
I am looking for a plant that produces large amounts of Nitrogen when grown in water. I believe it is from Russia. Do you have any idea what the name of it is?

Answer from NGA
December 3, 2006
Aquatic plants accumulate large quantities of nitrogen and phosphorus in their tissues. They will therefore improve soil if applied as soil additives. The concept of biofertilizers, the growing of a minor crop that provides nutrients to a major crop, though relatively new to aquatic science, is already becoming popular. Azolla sp., a free floating fern which fixes nitrogen. Perhaps this is the plant in question.

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