(two creditors filed objections to confirmation of debtors Chapter 12 modified plan proposed by debtors-in-possession (DIPs); court considered DIP's eligibility to proceed in Chapter 12; court held DIP's operations of three LLC’s, including Christmas tree operation, did not constitute farming operation; gross income from two other LLC’s, which did qualify as farming operations, only totaled 31.5% of DIP's gross income for year, thus, entire operation ineligible; DIP's value too low to be confirmable).