Hay quality is best from heading to flowering and from flowering to milk stage.
干草品质以抽穗至开花和开花至灌浆期为最好。
The effect on the rice growth in heading and flowering period by SO2 emitted from natural gas purification plant and fell to the ground has been tested through fumigation experiment.
通过对处于抽穗扬花期的水稻进行人工熏气试验，考察天然气净化厂事故徘放时外排的二氧化硫落地后对水稻生长的影响。
The effect on the rice growth in heading and flowering period by SO2 emitted from natural gas purification plant and fell to the ground has been tested through fumigation experiment.
通过对处于抽穗扬花期的水稻进行人工熏气试验，考察天然气净化厂事故徘放时外排的二氧化硫落地后对水稻生长的影响。
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