| assessment of ozone effects on local rice cultivar by portable ozone fumigation system in hanoi, vietnam. | this study examined the effects of troposphere ozone (o3) on rice by developing a portable ozone fumigation system and applied to the field in hanoi, vietnam. the system was nearly identical to the open top chamber but designed to easily and cheaply assess the o3 sensitivity of local agricultural crops in the actual field. the rice (oryza sativa l.) was exposed to ozone during the flowering stage at peri-urban experimental site of hanoi. the fumigation protocols covered five different levels, na ... | 2009 | 18670900 |