Plant expert Doug Welsh says when you prune a rosebush, crape myrtle or shade tree, first remove dead, broken or diseased parts.
VOA: special.2009.10.06
It can affect a large area or just individual trees or even part of a tree.
VOA: special.2009.11.10
Today we tell you about some new understanding of why cutting the main branch of a plant or tree can lead to better development.
VOA: special.2009.10.13
You can also wrap a tree in palm tree frond leaves, cornstalks or fiberglass.
VOA: special.2010.01.12
Small pieces of tree bark or cut up leaves can be used.
VOA: special.2009.06.30
Buckley isn't an archaeologist. He studies tree rings, which record the growth history of trees that can be hundreds of years old, or even older.
VOA: standard.2010.04.05
应用推荐