![Effects of nitrogen topdressing and paclobutrazol at different stages on spike differentiation and yield of winter wheat [PeerJ] Effects of nitrogen topdressing and paclobutrazol at different stages on spike differentiation and yield of winter wheat [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2021/12473/1/fig-1-2x.jpg)
Effects of nitrogen topdressing and paclobutrazol at different stages on spike differentiation and yield of winter wheat [PeerJ]
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![Effects of nitrogen topdressing and paclobutrazol at different stages on spike differentiation and yield of winter wheat [PeerJ] Effects of nitrogen topdressing and paclobutrazol at different stages on spike differentiation and yield of winter wheat [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2021/12473/1/fig-3-full.png)