Process whereby seedlings or young vegetable plants are thinned to the desired spacing and soil mounded around the plants, either by hand or mechanically.
"GROWERS SEEK EVACUEE LABOR FOR BEET FIELDS
Advance plans for hiring 2,000 Japanese evacuees for work in the sugar beet fields of Idaho and Montana were presented last night to 600 interested Camp Harmony residents who jam-packed Mess Hall No. 2 in Area "A"...Workers going to Idaho will block and thin beets in the upper Snake River Valley and in lower Idaho near Blackfoot." - Camp Harmony News Letter
Vol. 1 No. 4 -- Puyallup, Wash. -- May 23, 1942
. Camp Harmony was a Japanese internment camp during WWII.