英语语法分析

The rooting rates of P, davidiana in phytotron reached 85%.

在人工气候室条件下，山杨扦插生根率达85％。

More than 400 rice conventional varieties were aged in a small phytotron, and 38 rice varieties were screened for morphological index.

在小型人工气候箱中，对4 0 0余份常规品种进行人工老化处理，并结合随机抽取的38份材料进行了籼粳形态指数分析。