In order to find out the effect of acid rain on corn canopy,a simulated rainfall experiment was conducted to investigate the influence of N application and rainfall pH on nitrate leaching loss from the potted maize canopy as well as its changes over the growing season.The results showed that the amount of nitrate (NO3--N) leaching from maize canopy was mainly influenced by canopy N content which closely related with N application when rainfall pH was above 5.0.N application significantly increased the amoun...
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