A system includes a retractable mounting assembly including a frame assembly. The frame assembly includes at least one substantially rigid frame member. In some embodiments, the frame assembly is configured to facilitate movement of an agricultural soil analyzer from a first position longitudinally proximate to a rear end of an agricultural implement to a second position longitudinally rearward of the first position, relative to a direction of travel of the agricultural implement, the frame assembly is configured to position the agricultural soil analyzer above a surface of an agricultural field while in the second position, and each of the at least one substantially rigid frame member is formed from a non-electrically interactive material.