NH4NO3 used to be the main raw material for producing nitrate-compound fertilizer.
硝酸铵是硝基复合（混）肥生产的主要原料。
However, in the macroelements excessive NH4NO3 does not favor the growth of hairy root, the accumulation and release of tanshinones.
而大量元素中含量过多的NH4NO3不利于丹参毛状根的生长，同时也不利于丹参酮类成分的积累和释放。
Organic nitrogen was useful for better growth of the mycelium, but inorganic nitrogen, NH4NO3 and (NH4) 2so4 was contribute to higher HA content in weight of the mycelium.
本试验条件下使用有机氮源能获得更好的菌丝体生长，但无机氮源NH4NO3和(NH4) 2so4对提高菌丝体重及竹红菌素a含量有更好的贡献。
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