(debtors, married couple, filed Chapter 12 and a subsequent amended plan and sought court permission to use funds that trustee held for use in farming operation; before bankruptcy filing, debtors had borrowed almost $1 million from creditor and gave creditor security interest in debtors chicken farm; amended plan proposed repaying debt into 20-year obligation and 30-year obligation which would ultimately pay creditor $700,000 at 5 percent interest; expert testimony revealed that secured property worth at least $700,000; debtors had obtained from chick supplier that supply contract would be reinstated if farm improvements made and financing secured to make necessary improvements; amended plan confirmed and debtors allowed to use funds held by trustee).