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发表于 2009-10-29 13:38
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 8# eastroster $ J: e# F" C% B. w1 A' x. D0 ?; {  P 
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这个问题我请教了有很多compost经验的专家Mark:. S# c8 }- l- }0 E; x+ x. G4 i: ` 
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Is pine needle a good material in yard compost?  : e" \/ e5 }3 C' m0 R0 m$ J 
  
$ \# s0 w1 B8 i$ M7 WYes - it is a great carbon source!* k; G. f+ T8 i: W9 D 
  
/ X+ k0 e9 h7 c7 ?* r% E! DIs it easy to be broken down?  ' o9 @: ?. _9 F/ X 
  
) H: E7 L: U; y5 O; k3 _5 [No, it breaks down slowly because of its high C:N.  It makes a very attractive mulch as well, so if you have a lot of it I suggest spreading it on top of autumn leaves around trees or shrubs, or at the back of the bed where weeding is a chore.) K. x  d1 Q% L 
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Spruce needles are another matter - because they are thicker, and have a pointy end, they can poke you as you spread your compost - wear gloves and you will be fine.) R6 S1 k( |& Z& t0 I 
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这个是spruce needle |   
 
 
 
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