Specifications include, but are not limited to: Corn, sorghum, or soybeans will be grown at the discretion of the TENANT unless otherwise directed in writing by the DEPARTMENT. In every field, eight (8) productive rows of corn or thirty (30) feet of soybeans shall be left unharvested on all sides of each field except the sides along paved or dirt roads. Failure to leave the required standing crop shall result in cancellation of this contract. Crop left in the field after combining by mechanical picker will not be removed until March 15 of each year. TENANT shall be responsible for the control of noxious weeds growing on leased lands as declared by the Delaware Department of Agriculture, with the exception of those lands referenced in the previous condition (n) which will be the responsibility of the DEPARTMENT. Failure of TENANT to comply with Department of Agriculture noxious weed control measures shall be a condition to cancel the lease.