例句與造句

1. This subfamily is defined as those species having cluster roots, solitary ovules and indehiscent fruits.
2. All banksias have developed proteoid or cluster roots in response to the nutrient poor conditions of Australian soils ( particularly lacking in phosphorus ).
3. All banksias have developed proteoid or cluster roots in response to the nutrient-poor conditions of Australian soils ( particularly lacking in phosphorus ).
4. The cluster roots are then allowed to die, but the laterals are protected from desiccation by a continuous supply of water from the sinker root.
5. The other common adaptation is the possession of cluster roots, which allow it to extract enough nutrients to survive in the oligotrophic soils in which it grows.
6. It's difficult to find cluster root in a sentence. 用cluster root造句挺難的
7. The uptake of nutrient and water by the cluster roots peaks through winter and spring, but ceases when the upper layer of soil dries out in summer.
8. In this scheme " Cenarrhenes " is located within the subfamily Proteoideae on account of it having cluster roots, a solitary ovule and indehiscent fruits.
9. Like most other Proteaceae, " B . sessilis " has compound cluster roots, roots with dense clusters of short lateral rootlets that form a mat in the soil just below the leaf litter.
10. Two forms are recognised : " simple " cluster roots form rootlets only along a root; " compound " cluster roots form the primary rootlets, and also form secondary rootlets on the primary rootlets.
11. Two forms are recognised : " simple " cluster roots form rootlets only along a root; " compound " cluster roots form the primary rootlets, and also form secondary rootlets on the primary rootlets.
12. Cluster roots have been estimated as comprising about 30 % of total root biomass in this species; the seasonal production of so much biomass, only for it to be lost at the end of the growing season, represents a substantial investment by the plant, but one that is critical in the competition for nutrients.