The field experiment was conducted to study the effect of organic N and mineral N combined application proportion in greenhouse celery production.

研究了田间试验条件下有机N与无机N不同配比对温室芹菜生产的影响。

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The N absorption proportion after silking stage was 40.30%-47.78% of the total, so it was important to provide maize plants with sufficient N in later growth stage for realizing super-high-yield.

超高产夏玉米吐丝后氮素吸收积累量占总积累量的40.30%-47.78%，保证后期氮素养分充足供应对于夏玉米达到超高产水平至关重要；

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