What does the phrase “broke the new wood ” mean here?

Reading Comprehension: Read the quoted parts carefully and answer the questions in English. Write your answer in the corresponding space on the answer sheet.“It was you that broke the new wood,
Now is a time for carving.
We have one sap and one root—
Let there be commerce between us.”
What does the phrase “broke the new wood ” mean here?
【正确答案】：

MADE EXPERIMENTS WITH THE CONVENTIONS OF THE TRADITIONAL POETRY.

【题目解析】：引文中的短语“broke the new wood ”指的是“用传统诗歌的惯用手法来做实验”。