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Leaves and grass clippings provide can provide valuable
nutrients, even moisture distribution, and improve soil structure
in flower beds and gardens. |
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Black walnut leaves and twigs are toxic and should be
excluded from compost piles. |
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In 1995, there were 3202 yard waste collection programs
in the United States. |
 |
Approximately 30.6 million tons of yard trimmings (grass,
leaves, tree and brush clippings) were generated in the U.S. in 1994.
|
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Yard trimmings made up 14.6% of the U.S. municipal solid
waste stream in 1994. |
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The yard waste recycling rate in the U.S. rose from 12% in
1990 to 23% in 1994. |
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The projected recycling rate for yard waste in year 2000
is 32 to 50%. |