The weather data (daily air temperature, amount of rainfall and insolation) were collected from the meteorological station (Kolo, Poland N: 52�� 11�� 58.277�� E: 18�� 39�� 33.547��) nearest to the location of the field experiment in Straszkow

The weather data (daily air temperature, amount of rainfall and insolation) were collected from the meteorological station (Kolo, Poland N: 52�� 11�� 58.277�� E: 18�� 39�� 33.547��) nearest to the location of the field experiment in Straszkow (Poland).