Family Variation and Inheritance of Nitrogen Absorption and Utilization Efficiency of Liriodendron chinense Related to Nitrogen Supply Effect of suspended sediment on the feeding physiology of Pinctada martensii in laboratory The effect of nitrogen fertilizer treatments on root traits and nitrogen use efficiency in Indica rice varieties with high nitrogen absorption efficiency Clearance Rate, Ingestion Rate and Absorption Efficiency of the Scallop Chlamys farreri Measured by in situ Biodeposition Method