Adjustment of flowering period  花期调节

advancing flowering period  提早花期

Beginning of flowering period  始花期

Climate during the flowering period  花期气候

control of flowering period  花期调控

delaying flowering period  延迟花期

flowering period adjustment  花期调节

Flowering period control  花期调控

Frost during flowering period  花期霜冻

Heading and flowering period  抽穗开花期; 抽穗扬花期

prediction of flowering period  花期预测

The flowering period  花期

Flowering-podding period  花荚期

Flowers during the spring and Yuanxiao period  年宵花卉

main flow during the peak period  高峰主流向

period of cotton budding to flowering and boll sets  蕾铃期

The safe period of heading and flowering stage  抽穗扬花安全期

water deficiency during flowering and fruiting period  花铃期缺水

Carboniferous Period—Permian Period  石炭－二叠系