The accumulated loss of photosynthate was 11.4% and yield loss was 17.8% at ambient O3 concentration in the wheat growth period under sufficient moisture and fertilizer supplies.

• 对冬小麦春后生育期（3-5月）的研究表明，水肥适宜时，由O3影响造成的该地区冬小麦干物质累积总损失量为11.；4%25，产量损失为17