The result of the present experiment showed that the application of organic fertilizer to the soil increased tfe content of organic matter in it and the more content of organic matter in the soil was, the more mercury content wonld be accumulated. However the mercury content transported to the rice was less. Therefore the proper application of organic fertilizer could decrease the damage of mercury on crops.As the result of applying too much chloratesodium to the soil, the growth of the rice was inhibited a...