The volatilization experiments manifest the restrain to nitrogen volatilization of coated fertilizer is apparent. Compared with uncoated fertilizer CK, the nitrogen volatilization of PG, PGg, PGf coated fertilizer decrease by 18.1%, 26.0%, 19.3% respectively.

  • 挥发试验结果表明,包膜肥料对抑制氮素挥发具有明显的作用,PG、PGg、PGf与CK相比,氮素挥发总量分别减少了18.1%、26.0%、19.3%。

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