Erdelyi, Eva; Novak, Aliz; Ladanyi, Marta - In: GAZDÁLKODÁS: Scientific Journal on Agricultural Economics 53 (2009) 5
Hajdú-Bihar county. Changes in the crop risk of the barley in the 1951-1990 period and later was assessed using the so …-called E,V effectiveness parameter. The increase found in crop risk supports the view that climate is ‘visibly’ changing – the … crop risk to increase, a climate change index built for precipitation – extreme quantities, frequency and number of days …