P fertilization increased N, P and K accumulation in tree biomass and nutrient use efficiency in wood and biomass production.

施P肥还增加了树木N、P和K的养分积累量，提高了上述养分的利用效率。

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Watering, fertilization and their interaction affected the performance of P. przewalskii cuttings in growth, morphology and physiology properties.

水分和施肥以及其交互作用均影响了青海杨的生长、形态和生理特征。

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Results There was no significant difference in the fertilization rates and cleavage rates between group A and group B (P>0.05).

结果 A、B两组受精率、卵裂率比较，差异无统计学意义（P>0.05）；

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