why is top of soil more useful to us?
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because it has humus
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top soil is full of humas and it's very fertile. and we know that fertile soil is very useful for us. and for agriculture production, top soil is the best because it's very fertile soil and crops will grow faster. and top soil contains many nutrients which are necessary for plants and trees to survive.
top soil is full of humas and it's very fertile. and we know that fertile soil is very useful for us. and for agriculture production, top soil is the best because it's very fertile soil and crops will grow faster. and top soil contains many nutrients which are necessary for plants and trees to survive.
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