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* 1. The cambium layer is responsible for the creation of the xylem and phloem tissue:

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* 2. A good quality, woven weed barrier fabric:

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* 3. The best way to rejuvenate leggy, overgrown potentilla is by:

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* 4. Seeds may fail to germinate because their seed coats are too hard.

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* 5. Dwarf apple trees are created by:

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* 6. Please Provide Your Contact Information To Be Entered

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