Relating to agriculture; increasing the amount of bond required for livestock dealers; clarifying the status of certain grain buying transactions involving voluntary extension of credit; modifying certain provisions under the grain storage act; defining open storage; grain delivered to public grain warehouse operators to be considered stored at the time of delivery without prior arrangements for contract, shipment, consignment or cash sale; authorizing the holding of grain in open storage or placement on a warehouse receipt, specifying certain warehouse receipt issuance requirements; modifying the liability of warehouse operators (mk)