To ensure sustained growth of India''s farm machinery industry, a sound system of scientific Testing and Evaluation of farm machines be obtained by using instrumentation and accepted methodology. Four experienced agricultural engineers provide the first-ever detailed study of the T & E systems developed for: Tractors, Tillage Machinery, Seed-cum-Fertilizer Drills, Rice Transplanter, Irrigation Pumps, Sprayers and Dusters, Combine Harvesters, and Power Threshers. Also, detail the latest information on Computer-based Instrumentation system evolved for the purpose.