| 
  鲜花(2 )   鸡蛋(0 ) | 
 
 
 楼主|
发表于 2009-10-29 13:38
|
显示全部楼层 
| 8# eastroster ( p3 D7 Y! M7 E) w4 g9 a+ c0 D( W9 H7 j1 m
 这个问题我请教了有很多compost经验的专家Mark:' Y% c* z( ~. ]) n9 z
 
 / Z$ j& c3 T; z8 a8 pIs pine needle a good material in yard compost?
 ' {3 Z( l" D7 H " _0 I- o  w+ N: w0 j/ y9 D
 Yes - it is a great carbon source!
 ( n3 D2 [3 n9 m$ F8 _3 a! Z9 u   D3 ^5 x; |+ }4 u3 b. s& R; P- o
 Is it easy to be broken down?  5 x+ B' n# ^  R( \9 j) G" R
 
 : M+ |2 e) x0 ^) t/ K1 |( V2 s1 PNo, 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.
 & Q" D( N5 z8 r  n+ s( b5 O
 G, g: n+ }% \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.
 ! W3 E' q6 v' |/ `( @2 Q  G! X$ l
 . i+ a) O1 @* f: i这个是spruce needle
 | 
 |