This is based on the clear evidence of a global shift towards engine and motor driven mechanization systems. The situation is outlined in detail in Farm Machinery, (EOLSS on-line, 2002). Apart from the tractor, the farm machine that has captured the public imagination is the massive combine harvester, a miracle of modern technology.
Precision application of agrochemicals is an exciting and active area of research where pesticides and fertilizers are applied only where they are needed and at the appropriate concentration to elicit an optimum response. This approach requires accurate information on soil fertility and pest activity and an applicator that can automatically vary the application rate as desired.