Rice genotypes including Liufu A, Fengyou NO2, Lianjing NO11 grew under different water stress condition
and the impact of different forms of nitrogen were observed and analyzed on the changes arising from its seedling. The
results showed that: nitrate content of different varieties of rice leaf and root increased with increasing nitrate nitrogen
concentration in the nutrient solution. Water stress (10% PEG solution) could significantly increase the contents of leaves
and roots of nitrate. Ammonia nitrogen and nitrate have the same anti-trend; certain degree of water stress on root growth
was beneficial, due to accelerating the growth of root system, but the increases of all varieties of rice increased differed. |