Analysis on the effective factors of the grain potential productivity and the deficiency between demand and supply in Fujian Province

The effecta of agrarian area,productive technologies and ecological conditions on Fujian’s grain potential productivity were discussed.On the basis of module construction,the agrarian area and the productive technologies of potential productivity were analyzed.Based on the forecast of the grain potential productivity from 2006 to 2020,the relation between supply and demand of the grain and the deficiency of agrarian area was estimated.