The establishment of fine relations between grain producing and sales ares is a significant way to protect the food security in China. Nonetheless,the unreasonable administration of the government and the imperfections of the marketing mechanism result in incoordinations among responsibilities,powers and interests existing in these area. Therefore,for the sake of coordination those interest relations and protect th food security, macro-control should be perfected,marketing meehaism strengthened,responsibilities of the main sales areas...
