Saturday, April 30, 2011

Pruning Trees

VOA Learning English: Do-It-Yourself: Pruning Plants (First of Two Parts)

Removing parts of a plant or tree can improve it, but be careful. ''People can ruin what nature has created,'' says one plant expert

VOA Learning English:
Scientists Help Cut the Mystery Behind Pruning

Teams in Canada and Europe provide new understanding of why cutting plants can encourage their growth. Second of two parts.