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Chemical fertilizers stimulate plant growth; but if the concentration is too high, they may damage roots. What precautions concerning chemical fertilizers must a gardener take?

  • science -

    If all you do is post your entire assignment, with no evidence of thinking on your part, nothing will happen since no one here will do your work for you.

    But if you are specific about what you don't understand about the assignment or exactly what help you need, someone might be able to assist you. Ask specific questions!

  • science -

    Again this has come up before

    http://www.jiskha.com/display.cgi?id=1191713796

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