The physical characters of granular complex fertilizer is improved by adding organic material, and so the fertilizer has some physical and biological slow-release effect.

有机原料的加入能提高和改善颗粒肥的物理性状，且能使颗粒肥具有生物和物理性的缓效作用。

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In these areas, the water appears to be covered by a dark material that the researchers suspect might be complex organic molecules.

FORBES: NASA Has Discovered Water Ice On Mercury