Hu Jia is a 2nd grader at Shanghai Fudan Junior Middle School.She had her Chinese class two weeks ago.But she is still excited talking about it. "It's time to talk about poems.But our teacher asked us to go on to the class blog(博客), a website for our class." Hu said. Her ...
Salt stress is one of the environmental constraints that restrict plant distribution, growth and yield in many parts of the world. Increased world population surely elevates food demands all over the globe, which anticipates to add a great challenge to humanity. These concerns have necessitated the...