perennial grasses

基本解释

A basic tenet to properly managing forage resources is to understand how perennial grasses grow.
适当管理饲料饲草资源的基本原则是理解多年生牧草如何生长。
Unlike corn, which must be replanted every year, perennial grasses such as switchgrass and Miscanthus preserve and increase carbon stores in the soil.
不像一年生的玉米，多年生的草本植物如柳枝稷和细叶芒可以增加土壤中的碳储量。
The community characteristics of mixed grassland with 3-year old perennial grasses were studied in Jingqianghe region, one of the alpine regions on Tibetan Plateau.
对青藏高原高寒地区天祝县金强河地区的3年龄禾草混播草地进行了群落学特征研究。