Having a dog is almost a disadvantge in a field, because there harder to hide.. so w/o a dog its definetly a better option. Since the season is almost over, your a little late to start field hunting, because it almost 100% private land, and by this time of year, most of the farmers already have people hunting their fields and often times paying them. Go to an area where there are a lot of grain fields and good amounts of water close by during the summer. This is when youre going to want to gain permission to hunt these fields. Corn, barley, rice and wheat are the best for ducks, as these are crops ducks actually feed on. They will land in a spread of goose dekes with some ducks mixed in in a grass or hay field, but these arent food sources so they wont want in as bad. Scouting also plays a key role. Ducks are a lot more of a water animal then a goose, so they will be a little more hesitant to come into a field to feed if they arent already using that area. For decoys, throw out a couple dozen goose decoys, then have some mallard shells (G&H) in a U right where u want the ducks to land. 2 dozen goose deeks and some mallard shells might be expensive, but the geese will help a lot. As far as concealment, the pit is still the best, but very few farmers are going to let you dig one in a field they are trying to harvest. The most popular and easiest way is a layout blind. Theyre very expensive, but are the worth it. Cabelas makes one called the interceptor for a 170 which isnt bad. What we do is sit in irrigation ditches the farmer has. however, we are buying some soon. If money is really an issue, then make a frame out of PVC, then use burlap or camo material and cover it with natural vegetation.Just sit on a fenceline and pass shoot if it comes down to it. For calling, be able to do a fast feed chuckle,and a broken up, erratic one, and a nice 5-7 note greeting series.
hope this helps