NEW RESEARCH FOR CHANGE TRENDS OF GRAIN PRODUCT CONDITIONS AND STRUCTURES IN CHINA
分析了中国粮食生产条件的有利与不利变化趋势，以及粮食生产结构（成分与区域）的未来变化，对关注中国粮食问题的研究者有参考价值。
First of all,author analyses the favorable and unfavorable change trends of coming grain product conditions in China.The author regards that the expanding grain demand pull,the improving incentive mechanisms of grain and the probably excavated potential of grain production are beneficial to grain production of China.In the same time,the author points out that the decreasing cultivated land, shortage of water resources,ecological and environmental degradation and joining the WTO are unfavorable of the grain production in China.Secondly,the author analyses the future change trend of structure of grain production in China.In terms of component structure of grain,the absolute advantage status of cereal still mains,proportion of beans and tubers will rise bit by bit.Proportion of flour and rice will descend,and proportion of coarse food grain will ascend accordingly.In terms of regional structure of grain,the trends which total yield of North China increases and which total of South China decreases cannot be reversed,however,East China still is major area of grain increase of China.