一些稀树大草原生长在潮湿、涝渍的土壤上；其它则在干燥、多沙、排水良好的土壤上。

Some savannas occur on wet, waterlogged soils; others on dry, sandy, well-drained soils.

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首先，最重要的是选择一个排水良好的地方。

First, the most important thing is to choose a place with soil that drains well.

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这葱很容易成长，并好于平均，以丰富，排水良好的土壤。

This Allium is easy to grow and does well in average to rich, well drained soil.

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