1. Ryegrass (Lolium L.), a graminaceous crop, is one of the most important grasses for forage and turf, and widely distributes in temperate regions.
   摘要黑麦草是重要的牧草和草坪草，是畜牧业和草坪业重要的产业支柱。
2. It is an essential element for some plants (graminaceous plants, such as beet, scouring rush and some kinds of diatom), and it also benefits to many other plants.
   硅对植物的作用主要表现在对形态结构、生理过程和抗逆能力三方面的影响 上。

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