Newest among the several types of equipment developed to study the harvest of canning tomatoes–where hand labor constitutes 88% of the cost–is a wheelbarrow harvester.

Further details on work simplification methods for vegetable growers are given in Leaflet 57, which may be obtained without cost at the office of the County Farm Advisor or by addressing a request to Agricultural Publications, 207 University Hall, University of California, Berkeley 4.