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。
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。
Because of this, everything in her eyes are beautiful incarnation, a weed, a leaf, a cloud, a drop of water... Have vitality, is a language, can be carried with her mind exchange.
因为，世间每一件事物在她眼中都是善良美丽的化身，一株野草，一枚落叶，一朵浮云，一滴水珠……都是有生命力的，都是有语言的，都是可以与她进行心灵交流的。
The results showed that occurrence and distribution of weed species were related closely with the location, soil water contents and management of the turf.
调查结果表明，南京市草坪杂草的发生和分布与草坪所处地理位置、土壤水分条件及管理水平有密切关系；
In order to protect the public water system from chemical herbicides pollution, biological method has been suggested to control the growth and the reproduction of this weed.
为了避免化学除草剂对水体的污染，生物防治已成为当前水葫芦治理的重要方向。
On the other hand, the applications of some cultivating additions, residues of pesticide and weed killer and residues of fishery drugs are also a serious threat to the safety of the drinking water.
另一方面，一些农业投入品的使用，农药残留、渔药残留等问题，也严重威胁饮用水的安全性。
浇水、拔草而且要等待。
Hester bade little Pearl run down to the margin of the water, and play with the shells and tangled sea-weed, until she should have talked awhile with yonder gatherer of herbs.
海丝特打发小珠儿跑到水边去玩贝壳和缠结的海藻，好让她同那边那采药人谈一会儿话。
Hester bade little Pearl run down to the margin of the water, and play with the shells and tangled sea-weed, until she should have talked awhile with yonder gatherer of herbs.
海丝特打发小珠儿跑到水边去玩贝壳和缠结的海藻，好让她同那边那采药人谈一会儿话。
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