Chlorophyll A content significantly decreased along with waterlogging time, whereas chlorophyll B and carotenoid contents presented indistinctive changes after different waterlogged durations.

• 在不同处理阶段这些指标下降的幅度不同: 初期的下降幅度最大, 后期下降幅度减少, 其中根系活力在后期还有所回升。