A, their
the men brought their own tools
Thanks to the agricultural expert's insight, we decided to let the field lay fallow for a year to improve the soil quality - it was a success!
Fallow usually means that something is not fertile or being used to grow anything. Often it is seen used when talking about fields used to grow crops. Allowing a field to lay fallow for a certain amount of time can help it gain back some of the key nutrients in the soil that excessive farming may have depleted. Another word for insight is knowledge.
