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Azolla filiculoides root cross section Azolla covering the Canning River, Western Australia Azolla is a highly productive plant . It can double its biomass in as little as 1.9 days, [ 13 ] depending on growing conditions, and yield can reach 8–10 tonnes fresh matter/ha in Asian rice fields. 37.8 t fresh weight/ha (2.78 t/ha dry weight) has ...
Azolla cristata is of commercial importance in cultivation in southern and eastern Asia as a bio-fertilizer, valued for its nitrogen-fixing ability, which benefits crops such as rice when the fern is grown under it and reduces the need for artificial fertilizer addition. [7] The thick mat of fronds (up to 4 cm thick [5]) also suppresses weed ...
Azolla nilotica is a medium-sized floating fern, ... Due to its high nitrate content, the plant is used as green fertilizer, like other Azolla species. [1] References
Anabaena, in association with the water fern Azolla, can contribute nitrogen up to 60 kg/ha/season and can also enrich soils with organic matter. [3] [4] Seaweeds are rich in various types of mineral elements (potassium, phosphorus, trace elements, etc.), hence they are extensively used as a form of manure replacement by people of coastal ...
Azolla filiculoides (water fern) is a species of aquatic fern. It is native to warm temperate and tropical regions of the Americas , and has been introduced to Europe , North and sub-Saharan Africa , China , Japan , New Zealand , Australia , the Caribbean and Hawaii .
The fern Azolla forms a symbiotic relationship with the cyanobacterium Anabaena azollae, which fixes atmospheric nitrogen, giving the plant access to this essential nutrient. This has led to the plant being dubbed a "super-plant", as it can readily colonise areas of freshwater, and grow at great speed - doubling its biomass in as little as 1.9 ...