The growth of algae and weed among other and desirable plant vegetation is common in the ponds having stationary water. When this happens, the pond water starts to resemble green pea soup. The weeds and algae consume the nutrients and oxygen of the pond and deprive the fish/aquatic animals of the vitals thereby killing them. Thick vegetation is also detrimental for human activities including swimming and boating among others. The foul and stale smell is another drawback of the growth of weed and algae. It has been found that when the population of weed covers a pond surface area of greater than 25%, the fish life and reproduction start to get adversely affected. Algae is by far the commonest weed found in still water. Presence of debris may further aggravate the problem.
All of this nuisance and undesired substances, including weed and algae will also deteriorate the looks of your pond. When you cannot see the bottom of the pond because of murky and muddy waters, or when the fish are dying in an abnormal way, it is time to clean the pond. Here are some ways for lake weed removal, and to restore the pond's natural and beautiful looks.
Pond Aeration
You can set up an aeration system through which more oxygen and air can be dissolved in the water of the pond. Addition of oxygen will improve the quality of pond water and will boost the growth of aquatic animals including fish. Aeration will also boost the growth of good bacteria that will breakdown the weed, which disrupts normal life in a pond.
Using Herbicides
Herbicides can also be used for killing the weeds. Different herbicides are used to get rid of different kinds of weeds, and therefore it is important to identify the weed that is affecting your pond. The herbicidal packs come along with all the instructions, warnings and alerts. You should use the aquatic herbicides in accordance with the label instructions only. The herbicides should also be applied exactly at the area where the weed is growing and has a higher concentration.
Benthic Barrier
A benthic barrier consists of a frame with a blanket attached to it and can be used for lake weed removal. It is put at the bottom of the lake to cover it. The barrier does not allow the sun rays to reach to the bottom of the pond, and therefore causes the weed to die. But see to it that the pane is not put into an area where the fish spawn.
Pond Drainage
Sometimes the use of measures including herbicides as well as cleaning may not be enough. Some invasive species like the water hyacinth may not die. These species bounce back even when minutest of remains are there. In these cases, you may have to drain the pond completely. For this, you will have to dig out the different plants and also chop them away. All the refuse should be put into the bag and should be thrown away. If the refuse makes a part of the compost, it should be stored or put away from the pond water
Prevention Of Weed Growth
Prevention is always better than cure. Weeds should not be given any place to grow and therefore monitoring is necessary. The deeper waters also prohibited the growth of weed. Remember that plants and weeds also require nutrients for their growth. A common source of these nutrients can be fertilizers and animal waste. The presence of a buffer zone in between the gardens/livestock area and your pond will not allow the nutrients to dissolve to the pond.
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