water tank 40 may have any desired capacity taking into account the nature of the particular harvesting task with a volume of about 500 gallons being considered sufficient and desirable for most applications it should be noted that it is preferred to provide a back up nozzle 32 a see fig1 proximate each nozzle 32 the purpose of the back up nozzles 32 a is to permit their utilization in the event of clogging or other failure on the part of its corresponding main nozzle 32 preferably a valve or other switching mechanism should be interposed between the nozzle 32 and its associated back up so as to permit switching therebetween the feed conveyor 14 may in one embodiment be coupled to a lift conveyor 16 such coupling may be as described in ser no 10 207 779 filed jul 14 2003 incorporated herein by reference the entire feed conveyor 14 preferably maintains a generally upward angle as indicated in fig1 the belt 42 of the feed conveyor 14 travels in an upward direction so as to move harvested produce from the front of the feed conveyor 14 upward toward the lift conveyor 16 where provided turning now to the lift conveyor 16 as shown in fig1 and.