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759986494

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759986494: ½ð±Ò+5, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2015-05-12 22:45:55
With the increase of application rate of nitrogen fertilizer, the NAE¡¢NPE¡¢NPFP and NUEG were  significantly reduced, while the NHI and apparent utilization ratio of nitrogen has no obvious change.
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