Przemysl Chemiczny, Vol.98, No.7, 1083-1084, 2019
Determination of the normalized yield curve of thecup-plant (Silphium perfoliatum) according to the nitrogen dose
Literature data on the cultivation of the tested plant in 3 cities located in the southern Chile and computer software were used to det. an effect of N dose on yields of its crops, on maximal yield as well as on normalized yields in relation to the max. yield.