探讨几种药剂防除直播稻田水三棱草的效果。
The research aimed to study the effects of several herbicides to Juncellus serotinus.
长秆苔草和紧穗三棱草各龄级分株均进行有性生殖，并保持一定量的生殖分配大小，是适应生境的生殖策略权衡的结果。
Furthermore, the more or less of the reproductive allocation was certain and that is the result of reproductive trade-off and the adaptation to their habitats.
地下根茎为芦苇现存碳储量的主要场所，而地上部分是海三棱藨草碳储量的主要场所。
The underground rhizome of P. australis and the aboveground part of S. mariqueter were the main sites of existing carbon storage.
海三棱藨草的密度和单位面积结实枝条数显著大于互花米草。
However, the density and number of flowering tillers per square meter for Spartina alterniflora were significantly lower than those of Scirpus mariqueter.
海三棱藨草的密度和单位面积结实枝条数显著大于互花米草。
However, the density and number of flowering tillers per square meter for Spartina alterniflora were significantly lower than those of Scirpus mariqueter.
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