With the improvement of rice cultivars, root dry weight and the ratio of root to shoot were increased, but the amount of root bleeding sap was reduced.
随品种的演进，抽穗期根重以及根冠比提高，但根系伤流液量减少。
The result shows that the effects of manganese deficiency on the height, the root-shoot ratio, the spike weight, the dry weight of Jinqiang-1are more significant than those of Liaochun-10.
结果表明，在缺锰条件下，津强1号的株高、根冠比、穗重、干物质量等指标所受影响均比辽春10号大，而且光合产物糖和氨基酸的形成以及蛋白质合成过程的受阻程度也比辽春10号重。
Results showed that there were a big root-canopy ratio and dry weight when the lower limit of controlled soil water content decreased at the same irrigation treatment.
研究结果表明：在同一灌水方式中土壤含水率下限小的冬小麦根冠比大，且根系总的干重也大；
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