Put a fence up to keep the turkeys out and encourage snakes, birds of prey and other hunters to go after the voles. Mouse traps work okay too. You could put poisioned bait out for the rodents but if you have cats and dogs you will likely poison them if they hunt the poisoned vole/mice.

when is turkey hunting season. get some hunters over there to fix the problem legally. turkey hunters are all looking for a good spot to hunt.

Pumpkins tend to grow out of this vulnerable stage within a few weeks. With that in mind you could spread a band of cheap corn or cereal grain around the edge of the area to feed the critters until your crop is growing well. Kansas is the corn state so there must be a farmer or mill nearby where you can purchace elevator screenings cheaply for this purpose.

We used to use this practice to keep hundreds of ring-necked pheasants from digging up newly planted corn in fields that were within city limits. Those were the days before Furidan came on the market for nematode control.