水禾（学名：Hygroryza aristata）为禾本科水禾属下的一个种。水生漂浮草本；根状茎细长，节上生羽状须根。茎露出水面的部分长约20厘米。命名来源于（禾本科图说）[Obs．Bot． 5: 23. 1789]，中国植物志：9(2):013。
他说禾捆需要的水不多，能预防土壤中水分过分引起的植物疾病。
He says straw bales can require less water, and prevent plant diseases caused by too much water in soil.
禾捆里的水不可能太多，因为一旦过多，多余的水就会从底部流出来。
It is really impossible to overwater a bale of straw, because there is too much water in it, the excess water just runs out the bottom.
它是采用复凝聚 法，以稀禾定为芯材、以明胶和阿拉伯胶为壁材的缓释型微胶囊水悬剂。
The slow-release microcapsule water suspension agent uses the sethoxydim as core material by complex coacervation method and uses the gelatin and the arabic gum as wall material.
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