不能在重黏土或岩石中打这种井。
它们在重黏土里生长得很好，也能在冰暴里生存下来。
They grow well in heavy clay soils, and they can survive ice storms well.
无耕最好是用在砂土中，不过在重质黏土中，秋天传统的耕作需要去充分地打散泥土为了庄稼足够的产量。
No-till works best in sandy soils, but in the heavier clay soils, fall traditional plowing is required to break the soil up enough for adequate crop yields.
得到了一些十分重要的新认识，为进一步研究黏土矿物膨胀、分散、运移微观动力学机制提供了重要依据。
This study provides an important basis for further research on the micro dynamic mechanism of clay mineral swelling, disgregation and migration.
得到了一些十分重要的新认识，为进一步研究黏土矿物膨胀、分散、运移微观动力学机制提供了重要依据。
This study provides an important basis for further research on the micro dynamic mechanism of clay mineral swelling, disgregation and migration.
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