5#狗拿耗子 5 n; u" u) a6 ]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。5 S l# V- m, [, M) z9 K' F
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。 5 o$ p3 b3 r+ B& w2 f我说不出来这两种土成分有什么不同。' N' q$ K; t+ \
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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。 * k r; V% q# J/ P: R0 O9 Pmanure 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.