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发表于 2009-10-29 13:38
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 8# eastroster ) {4 B/ T8 A3 O% F7 P$ s5 u; i7 m 
 
* o, ^2 R- c: R4 V) A' D3 w$ N这个问题我请教了有很多compost经验的专家Mark: 
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6 G3 |3 ~& u  z, U8 J/ u7 u$ NIs pine needle a good material in yard compost?   
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' _4 Z/ W* L! E: z' ]1 }* z8 gYes - it is a great carbon source! 
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, p2 y8 Z% `2 i: |' H$ ?. ^Is it easy to be broken down?  $ U% |, e6 d7 n* p% b/ l) C+ } 
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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.7 n, P1 @/ ^) z" K; ^' y 
  
9 }$ ^( T. H- X% t0 @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.$ O/ h* G1 H! @3 V8 ~# { 
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这个是spruce needle |   
 
 
 
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