21 JANUARY 1949, Page 20

TRUSSING AND BALING

SIR,—Sir W. Beach Thomas notes that the " trussing " of hay and straw is on the increase, and goes on to mention uses for these trusses. Trussing (a hand process) is almost defunct ; Sir William is confusing the modern (mechanical) method of wire " baling " with trussing. " Bales," either of hay or straw, but practically only of straw, can be used for building walls, clamps, &c., being as they are compressed to almost " water- tightness." Trusses (much looser and string-tied) could not be used for