产量及其构成因素。
各生育时期根系MDA含量与籽粒产量及其构成因素呈负相关；
The MDA content of root was positive related to the yield and yield components.
比较了在不同插秧量和行距配置方式下杂交稻和常规稻的产量及其构成因素。
A comparison of yield and its components between hybrid rice and conventional rice varieties was made with different seedling quantity and row spacing at transplanting.
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