Establishing a farm and rural small business loan guarantee program to provide loans to certain farmers and small businesses suffering a decline in income and facing economic stress, specifying farmer, small business and participating lender eligibility requirements; specifying a loan application deadline, certain evaluation requirements of participating lenders, a maximum interest rate and certain priority requirements; specifying certain responsibilities of the commissioner of agriculture and certain cooperating requirements of the commissioner of commerce, providing for agriculture commissioner payment of the state share of interest to participating lenders and specifying a maximum guarantee; appropriating money to the commissioner for interest payments and loan losses (mk)