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关注：1
2013-05-23 12:21
求翻译：施肥后肥料中氮素首先转化为NH4+-N,后经消化作用逐渐转化为NO3--N是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
施肥后肥料中氮素首先转化为NH4+-N,后经消化作用逐渐转化为NO3--N
问题补充： |
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2013-05-23 12:21:38
After fertilization fertilizer nitrogen First converted to NH4 + - n-, by digestion gradually transformed into NO3 - n
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2013-05-23 12:23:18
After the fertilizer nitrogen fertilizer first into NH N 4+ - in the digestive role into a NO N - 3
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2013-05-23 12:24:58
After applies fertilizer in the fertilizer the nitrogen first the transformation is NH4+-N, latter after the digestion gradual transformation is NO3--N
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2013-05-23 12:26:38
Transformation of fertilizer nitrogen in fertilizer after first NH4+-N, after digestion gradually transformed into NO3--N
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2013-05-23 12:28:18
正在翻译，请等待...
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