All I can say is research. I'm a wedding photographer and it is really difficult to come up with pricing. A lot of time is spent figuring out overhead, how much time will be spent meeting, editing, and any other photo process, and how much your art is worth. All in all I make maybe minimum wage - $11 an hour.
WSDA defines a small farm as one where the farmer or farm family participates in the day-to-day labor and management of the farm, and owns or leases its productive assets. Merriam-Webster defines a farm as a : a plot of land devoted to the raising of animals and especially domestic livestock.
In the United States, the mean farm size is 178.4 hectares. In Latin America it is 111.7 hectares. In sub-Saharan Africa however the average size amounts to just 2.4 hectares. In Asia this figure is lower still: 1.8 hectares in South East Asia and 1.4 hectares in South Asia. 1  Rising Global Interest in Farmland.