草层 meaning in Chinese
grass sward
Examples
- 2 . the range of soil co2 concentration varied with soil temperature is not the same for the soil layer and its characters and different vegetation : the varied range of topsoil is higher than that of deep soil at testing woodland ; the varied range of soil layer ( - 20cm ) is the highest than that of the other soil layers ; the range of co2 concentration varied with air temperature begins to increase in turn from woodslay and shrublay to herbage
由于植被覆盖类型不一样和所处的层位以及本身性质，表层带岩溶生态系统各层的coz浓度随温度变化的幅度不一样，林地表层coz浓度变化的幅度比深部大，裸地土下e0 。 zcoz浓度变化的幅度比表层和底层大，林层、灌层和草层coz浓度变化的幅度依次变小。 - Applying the relevant analysis approach of gray system , the authors analyze and assess the average of 9 pasture species on the 12 indexes , including the total covering rate , the hight of grass , green period , reviving period , resisting disease , tiller , length and amount of root , weight of root , weight of leaf and stem , tasty impression , and study the application of gray analysis in the comprehensive assessment
摘要应用灰色系统中的关联分析法对9种牧草的总盖度、草层高度、根系人土深度、青绿期、越冬率、抗病性、分孽数、根长、根数、根重、茎叶干重、适口性等12项主要性状进行了综合评估，并讨论了灰色分析法在选择坡耕地水土保持牧草草种综合评估中的应用。