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Lightly degraded grassland is the least potent of the three and is characterized by patches of dead or no grass, spottily dispersed throughout the land. [5] Plant and animal diversity starts to lessen but becomes really apparent in moderately degraded grasslands, in which patches of dead grass increase in size and number.
A primary element of organic lawn management is the use of compost [2] and compost tea to reduce the need for fertilization and to encourage healthy soil that enables turf to resist pests. [3] A second element is mowing tall (3" – 4") to suppress weeds and encourage deep grass roots, [4] and leaving grass clippings and leaves on the lawn as ...
3. Catalpa. This handsome tree has pretty heart-shaped leaves and fragrant white flowers, but it drops dark brown seedpods in large numbers, which makes it a messy tree for lawns and home gardens ...
Kudzu smothering trees in Atlanta, Georgia. A woodland area of Brooklyn, New York, blanketed by kudzu. Kudzu is an invasive plant species in the United States, introduced from Asia with devastating environmental consequences, [1] earning it the nickname "the vine that ate the South".
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Andropogon virginicus is referred to as whiskey grass in places where this weed is unwanted. This species often invades open woodlands, grasslands, and forests areas. [ 10 ] Where it is invasive, A. virginicus is known to invade plant communities that are extremely deficient in nutrients.
Plant litter (also leaf litter, tree litter, soil litter, litterfall or duff) is dead plant material (such as leaves, bark, needles, twigs, and cladodes) that have fallen to the ground. This detritus or dead organic material and its constituent nutrients are added to the top layer of soil, commonly known as the litter layer or O horizon ("O ...
Some weed control is preventative, implementing protocols to stop weeds from invading new areas. Cultural weed control involves shaping the managed environment to make it less favorable for weeds. [56] [57] Once weeds are present in an area, a wide variety of means to destroy the weeds and their seeds can be employed. Since weeds are highly ...