N any of various weedy aquatic plants 水草
Potamogoton pectinatu is a kind of water weed with higher nutritional value and digestibility , and can be used as feed for animal.
综合评定结果显示，龙须眼子菜是一种营养价值全面、消化率高的水草，可用作牛羊等饲料。
Typical submerged plants are Charales, pond weed, hornworts and water lilies.
典型的水下植物有轮藻目，池塘杂草，角苔纲和睡莲。
This mixture of grasses and yarrow will out - compete the resident weed population, increase water penetration, and improve the microflora and organic matter in our soils.
牧草和蓍草混合可以减少杂草的数量，增加水的穿透能力，改善土壤的微生物和有机物质。
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