Under the normal fertilizer level, the basic angle of leaf (BAL) of RL crosses at the same leaf were smaller at the flowering, and parts of the BALs of corresponding crosses were difference significantly.

 
  • 增施穗肥,各组合叶片卷曲度比正常肥力水平下略有减小,卷叶组合部分叶位叶片卷曲度减小达显著水平; 同一处理水平下,相同叶位间,R1_((t))卷叶组合的叶片卷曲度在不同时期均极显著大于对应组合;
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