cultivated perennial grass

基本解释

Alfalfa(Medicago sativa L. )is a perennial legume grass which was cultivated widely on semi-humid areas of the loess plateau.
紫花苜蓿是多年生豆科牧草作物，在黄土高原半湿润区大面积栽培。
Based on the long-term observation, the stability, especially by applying N-fertilizer, of mixture grassland of cultivated perennial grass is studied.
本研究在长期观测的基础上，就多年生混播禾草草地的稳定性，尤其是施氮条件下的稳定性进行了研究。
A perennial rhizomatous grass (Poa pratensis) native to Eurasia and North Africa and naturalized throughout the United States. It is commonly cultivated for pasture and lawns.
原生于欧亚大陆和北非的一种多年生根状茎草本植物（草地草熟禾草熟禾属），在整个美国也已移植成功。一般做为牧草和草坪来种植。
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