Final answer:
A landowner who has used a path on his neighbor's land to move his crops may claim an easement by prescription, which is obtained after continuous and open use of a path without the landowner's permission over a legally defined period.
Step-by-step explanation:
A landowner who has used a path on his neighbor's land to move his crops may claim an easement by prescription to keep such use when the property is sold. An easement by prescription is similar to adverse possession, where a party acquires rights through continuous and open use without permission over a period defined by law.
Easements are rights to use the property of another for particular purposes and are often used for public objectives, such as the preservation of open space and conservation. An easement by prescription can be acquired after the user, in this case, the landowner moving crops, has used the path for a certain number of years openly, continuously, and without the landowner's permission.
Other types of easements include easement in gross, which is personal to the holder and does not necessarily transfer with the property, and easement by necessity, which arises when the landlocked property owner needs access to their property. However, in the situation described, the path has been used over time, making an easement by prescription the most fitting option.