adjustment of crop distributions的用法和样例：
- The structural adjustment of a lot of areas will undertake between a large amount of crop, be like the rotate between the corn of northeast area and soja.
- The present situation of crop distribution and water resource usage were analized based on the statistics of Hengshui City, and the plan of crops distribution adjustment was pointed out.
- Some adjustment of the lens may be necessary.
- Alkali soil is suitable for this kind of crop.