Many state or local extension services will test your soil and tell you what it needs for particular plants, shrubs or trees.

CNN: X-rated yards save the environment

The recent financial crisis presented auditors and, by extension, the Sarbanes-Oxley Act audit reforms, with their first big test since these reforms were put into place.

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For its part, Wired was keen to test its thesis that the mainstream media had got the Internet and, by extension, the connected completely wrong.

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