A harvest field is indicative of a reproductive cycle. Reproduction is part of our animal nature. Rabbits in particular are often associated with reproduction. With deliberate care and attention the mixture matures and is transformed into a creation in its own right. We also have the expression that someone who is pregnant has a bun in the oven .
Eggs indicate eggs in the ovaries.
A hen house indicates the ovaries themselves. Seedlings and potted plants indicate new growth. A gate lodge is a good symbol of the womb. Remember that you are everything in the dream. So a gate lodge is a small lodge in the grounds of a larger house.