5#狗拿耗子2 b, f7 j) }- D8 ^7 ~, f
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。' y# ^; {5 b1 D' _1 a
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。 8 Y! c! u, V( e我说不出来这两种土成分有什么不同。 ) }! i: p$ N+ }# `0 L. y" Y6 A' I$ i w1 c2 R/ s
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。3 f) m4 {# o' O' r
manure 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.