尝试预防性的除草剂。 检测土壤的pH值，土壤条件需要对其他植物非常理想。 用其他植物填满这一区域。 保持区域的修剪状态。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
If you are fine with chemical treatments, then a pre-emergent herbicide should be applied to the area just before new growth would be expected to form. This is especially important if you have had problems with foxtail already.  A few standard chemical options include dacthal, balan, and pendimethalin.  For an organic pre-emergent herbicide, try corn gluten meal. Sprinkle the product after your new lawn begins to grow to prevent foxtail and other weeds from taking root. Do not use it before grow