Agroscope FAT Tänikon, Swiss Federal Research Station for Agricultural Economics and Engineering,CH- 8356 Ettenhausen

Determination of increase in cereal crop yields

The cereal crop yields vary from year to year, mainly as a result of the weather during the growth period. Nevertheless, a trend towards ever-higher yields is observed over time. This has to do with biotechnological advances. The aim of this paper was to analyse the cereal crop yields and to determine the size of the annual increase in the case of wheat, barley and triticale crops. The average increase in yield was calculated with a linear regression, using information on the input factors, weather, location and type of farming. Tests showed that the average increase in yield per hectare and year was around 50 kg for wheat and barley, and around 150 kg for triticale.

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