We take about a 20' length of tie wire and double it over, fastening one end to a stud or something. Put other end in chuck of cordless drill, and twist. It works great.
Cut into pieces to secure most anything. Flex, EMT on lather's channel, or M/C.
(The fact that there's no U/L on a 2x4 has been a fair enough comment with the inspectors here, I've never been turned down).
But what are you going to do with all that alfalfa?