Based on researches on the crop potential productivity,the potential productivity of light,temperature,water and land from wheat in China was calculated respectively,and converted into the potential productivity of wheat straw according to the coefficient of grain-straw ratio in wheat.Furthermore,based on the wheat planting area in 2006,the potential yield of wheat straw fiber in China was estimated.The results showed that the potential yield of wheat straw fiber in China could reach 94.91 million ton,which...