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  • 匿名
关注:1 2013-05-23 12:21

求翻译:土壤肥力之所以有上升趋势,可能主要有以下几个方面的原因:第一,龙须草发达而密集的根系,使养分在耕层富集;第二,是什么意思?

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土壤肥力之所以有上升趋势,可能主要有以下几个方面的原因:第一,龙须草发达而密集的根系,使养分在耕层富集;第二,
问题补充:

  • 匿名
2013-05-23 12:21:38
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  • 匿名
2013-05-23 12:23:18
There is an increasing trend may be the reason why soil fertility, it is for the following main reasons: first, the dragon to be grass roots developed, intensive farming, so that nutrients in the first 2 floors, Rich holdings;
  • 匿名
2013-05-23 12:24:58
The soil fertility the reason that has the trend of escalation, possibly mainly has following several aspect reason: First, Long Xucao developed and crowded root system, causes the nutrient to concentrate in the topsoil; Second,
  • 匿名
2013-05-23 12:26:38
Soil fertility is rising, mainly has following several aspects of the possible causes: first, the roots of Chinese Alpine rush developed and intensive, enrichment of nutrients in plough layer and second,
  • 匿名
2013-05-23 12:28:18
 
 
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