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Canna coccinea is a species of the Canna genus, belonging to the family Cannaceae. A native of northern Argentina, it was introduced in England from South America in 1731. A native of northern Argentina, it was introduced in England from South America in 1731.
The most exhaustive work on Canna synonyms is that in the World Checklist of Selected Plant Families ... Canna bangii Kraenzl. [4] Canna coccinea Blanc. [4] [10] [11 ...
Cannas grow best in full sun with moderate water in well-drained, rich or sandy soil. They grow from perennial rhizomes, but are frequently grown as annuals in temperate zones for an exotic or tropical look in the garden. [5] In arid regions, cannas are often grown in the water garden, with the lower inch of pot submerged.
A group of potentially toxic “forever chemicals,” mostly coming from prescribed drugs, may be contaminating drinking water for millions of Americans, as wastewater treatment plants fail to ...
Sewage treatment plants mix these organisms as activated sludge or circulate water past organisms living on trickling filters or rotating biological contactors. [ 5 ] Aquatic vegetation may provide similar surface habitat for purifying bacteria, protozoa, and rotifers in a pond or marsh setting; although water circulation is often less effective.
Canna indica, commonly known as Indian shot, [2] African arrowroot, edible canna, purple arrowroot, Sierra Leone arrowroot, [3] is a plant species in the family Cannaceae.It is native to much of South America, Central America, the West Indies, and Mexico.
The plants remove about seven to ten percent of pollutants, and act as a carbon source for the microbes when they decay. Different species of aquatic plants have different rates of heavy metal uptake, a consideration for plant selection in a constructed wetland used for water treatment. Constructed wetlands are of two basic types: subsurface ...
Dalecarlia Water Treatment Plant, Washington, D.C. Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.
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