Adverse effects of elevated levels of ultraviolet (UV)-B radiation and ozone (O3) on grop growth and productivity - Krupa, S.V.=700 1 Jager, H.J.
Ilus.; 80 ref.
Keywords: CLIMATOLOGIA; RADIACION ULTRAVIOLETA; OZONO; PRODUCTIVIDAD; BIOMASA; CAMBIO CLIMATICO; DAÑOS; FACTORES AMBIENTALES