The 2 years comparative research of the net gain tillers, leaves regrowth and cumulative yield for perennial ryegrass under different cutting intensities and cutting times.

• 摘要对不同刈割强度和时间下，混播草地中多年生黑麦草净分蘖数和叶片生长季节动态及其年积累和年产量进行了2年的比较研究。