5#狗拿耗子5 a' F) e* x4 H* p# X& E
Both top soil and manure (organic fertilizer-waste matter produced by cattle/sheep) are available in bags at Homedepot, Rona, Superstore and so and so and so........
potting soil 是按照一定比例(砂土,粘土,有机物)配好的土,直接装到花盆里面就可以用了。* [! K7 t2 v+ O' k o. i* X4 w
top soil 指的是地表土,是各层土壤中富含有机物,适合植物生长的一层。! c$ s% f5 P3 s7 X' C- Y; ]2 V
我说不出来这两种土成分有什么不同。% `, ~0 f1 | S- |6 y; ?& Z0 n
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compost是有机物,是用作土壤调节剂的,改善土壤结构,增加有机物成分。 $ L4 h. M, X H5 zmanure 也是有机物,增加肥力的。
As what I know, commercial potting soil is very often sawdust+peat moss and more preferable for indoor pot growing since it has a more sterile composition in comparison to topsoil.