Section 200. Powers and duties of the commissioner of public welfare in relation to the public farm

If the legislative body of a public welfare
  district shall authorize the maintenance of a public farm in  connection
  with the public home, the commissioner of public welfare shall
    1. be responsible for the management of the public farm,
    2.  utilize the labor of such of the inmates of the public home as may
  in the judgment of the attending physician be able to work on the farm,
    3. make all purchases necessary for the operation of the  public  farm
  unless such powers have been vested in some other purchasing agency,
    4.  sell  such  surplus produce and proceeds of such farm and labor as
  may remain after the needs of the inmates of the public home  have  been
  supplied,
    5.  employ,  within  the  limits  of  the  appropriation  made for the
  purpose, such laborers as may be necessary for  the  management  of  the
  farm,
    6.  keep  a record of the work of the farm, including the labor of the
  inmates of the public home on the farm and of the produce  and  proceeds
  of  the farm supplied for the use of the public home, with the estimated
  value of such produce and proceeds,
    7. when an appropriation has been made for  the  purpose,  appoint  an
  officer  who  shall be responsible for exercising such of the powers and
  carrying out such of the duties above mentioned as the commissioner  may
  direct,
    8.  make  an  annual  report  to the legislative body in regard to the
  receipts and disbursements of the  public  farm  and  the  cost  of  its
  operation.