常用的多年生牧草安全越冬管理措施有五种: (一)适时收获 确定多年生牧草的收获时期,不仅要考虑到牧草的产量和品质,同时还要考虑到有利于牧草的越冬。一般情况下,收获后应该仍有一个月以上的生长期才有利于多年生牧草的安全越冬。 Commonly used perennial grass winter security management measures in winter there are five: (a) timely harvest to determine perennial grazing period, not only to take into account the yield and quality of pasture, but also take into account conducive to the winter pasture. Under normal circumstances, after harvest should be still more than a month of growth period is conducive to the safety of perennial grass winter.