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Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United ...
Copper pesticide is applied as a contact protective foliar spray, so it remains deposited on leaf surfaces. A small concentration of copper ions may be taken up by plants as essential nutrients. Copper foliar sprays are also applied to correct plant copper deficiency. [8] Excess absorbed copper ions can kill sensitive cells in copper sensitive ...
Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, sometimes called a red tide in marine environments, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to ...
A toxic algae bloom is injuring or killing scores of marine animals, from fish to sea lions and dolphins. ... Along the Southern California coast, there are deadly signs of a warming ocean. "It is ...
When a bulldozer began to to clear away dirt for an in-ground pool in Brian Dyer's back yard, the Lakeland, Fla., homeowner got the surprise of his life: mountains of trash emerged from the hole.
An historic algae bloom is creating havoc along the West coast of North America, causing economic and potential health problems. Studies are underway to determine the causes of the algae bloom ...
Some plants will even reduce the germination rate of other plants by 50%. [33] Current research is focused on the effects of weeds on crops, crops on weeds, and crops on crops. [ 38 ] [ 39 ] This research furthers the possibility of using allelochemicals as growth regulators and natural herbicides , to promote sustainable agriculture. [ 40 ]
As peak beach season and the Fourth of July holiday approach, California officials and experts are warning about an unprecedented die-off of sea lions. For California marine mammals, toxic algae ...