I will be sixteen years old when 2008 Olympic being held in Beijing. I have many dreams about it, I want to be a translator to work for foreign athletes. I want to be a guider to show Beijing to f
Y-S (程一松), et al. Effect of potassium fertilizationon the photosynthetic characteristics of the leaf of winter wheat populationduring its grain filling stage. ChineseJournal of Applied Ecology (应用生态学报)