Based on the summarization of the status quo of the research both at home and abroad,the changing trend of the production of the main grain crops,covering the p
The paper introduces the lemon effect of green agricultural products,analyzes the formation reasons of the lemon effect of green agricul-tural products and summ
Taking Huaian as an example,the rural economic and environmental problems in economically underdeveloped areas are expounded.The results show that rural areas i
The social and economical condition,cultivated land resources and general situation of grain production of research area are introduced.According to relevant da