The results showed that with the improvement of the environment, the ramet number on fenced sandy lands decreased, while the leaf length, leaf length/width ratio, and the longest ear length increased.

• 结果表明：随着环境条件的改善，狗尾草的分蘖株数逐渐减少，而围栏内狗尾草叶长、叶片长宽比和最大穗长增大；