Texas Property Code - PROP § 54.003. Exceptions

(1) a tenant provides everything necessary to cultivate the leased premises and the landlord charges rent of more than one-third of the value of the grain and one-fourth of the value of the cotton grown on the premises;  or

(2) a landlord provides everything except the labor and directly or indirectly charges rent of more than one-half of the value of the grain and cotton grown on the premises.