经过２０年的改革和发展，我国已经具备每年生产粮食４９０００万吨—５００００万吨的能力，粮食供求正由长期短缺变成大体平衡，丰年有余。同时，随着人民生活水平的提高、生活质量的改善，对粮食的消费需求日趋多样化、优质化。而粮食生产的品种、质量却不适应消费需求... After 20 years of reform and development, China has the capacity to produce 490 million tons to 500 million tons of grain each year. The supply and demand of grain is becoming a general balance from the long-term shortage, and it is more than sufficient for the harvest. At the same time, as people’s living standards have improved and their quality of life has improved, the demand for food has become increasingly diversified and high-quality. However, the variety and quality of food production do not meet consumer demand...