1.   ...chemically fertilized fields.

2.   There were no trucks to move timber, no farm animals to fertilize the fields.

3.   Thousand-gallon tanks are a common sight around here in the spring and fall, when farmers fertilize their fields.

4.   Using hog wastes to fertilize his fields will cut down on how much he must spend to raise a crop, Sid Shriwise said.

5.   So is nitwit, and that emollient stuff that bulls fertilize fields with.