The county mosquito control commission shall have the right to employ such individuals as are necessary, and to purchase such equipment as shall be necessary, for the application of poison or other mosquito control material to the lands within the county to be planted in rice. The commission shall also have authority to contract with persons, firms or corporations, for the application of poison or other mosquito control material to the lands which will be planted in rice. The commission, its employees, or individuals contracted with for the purpose of applying such poison or other mosquito control material shall have the right to go upon the lands to be planted in rice within such district and apply such poison or other mosquito control material as may be needed to control and exterminate rice field mosquitoes.