双受精过程 双受精过程 花粉的萌发 受精卵——胚 双受精的定义 双受精(double fertilization): 双受精 被子植物特有的受精过程, 被子植物特有的受精过程,其花粉中 产生两个精细胞, 产生两个精细胞,一个与卵细胞结合形成受精...
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Describe the process and significance of double fertilization.
被子植物的双受精过程及其意义？
The effects of transplanting in depth with one-off double-layer fertilization were studied on growth and development of flue-cured tobacco(K326).
以烤烟K326为材料，进行深移栽结合一次性双层施肥对烤烟生长发育影响的试验。
The effects of different transplanting depths combined with one-off double-layer fertilization on the growth of flue-cured tobacco and nutrient contents of soil were studied in the field experiment.
将施肥技术和栽培措施相结合，通过大田试验研究不同移栽深度结合一次性双层施肥对烤烟生长及土壤养分的影响。
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