| As an important food crop in China,wheat is the most important food in the northern region and has important influence on the national economy and people’ s livelihood.Henan is the main producing area of Chinese wheat,and the state of "wheat in half" in henan was formed in Ming dynasty.Henan wheat planting has superior natural geographical conditions,the plain area is vast,the soil is fertile,the water source is more abundant,which provides the prerequisite for the planting and development of wheat in henan.In particular,the climate conditions of warm temperate zone can make the winter wheat not too cold and too cold,and it will not affect the wheat yield too much in winter.The ecological environment of henan province provides a good condition for the growth of wheat,which has created the premise for the scale planting of wheat.In the Ming dynasty,the "wheat living half" in henan province had a lot of performance.According to the henan counties and prefectural governments of the Ming dynasty,the planting area of wheat was more than 40%,and even more than 50%in some places.On the tax side,most areas are more than 30%.Compared to other crops such as millet,millet,millet,bean and so on,become the absolute staple food.Henan region is suitable for planting wheat ecological factors,but has become a staple in Ming dynasty for reasons other than ecological factors,the government in order to restore social production,and to emphasize on "the grain of wheat for",encouraging wheat.The eating habits of "southern rice north wheat’ also stimulated the development of wheat.The emergence of science and technology works such as "heavenly work" and "rural politics book" provided theoretical guidance for wheat planting.The appearance of compound system guarantees the planting area of wheat.The construction of irrigation and water conservancy facilities has created advantages for the development of wheat.The aggravation of people’s contradiction promotes the society’s demand for wheat.Together with wheat commercialization degree of strengthening,as food raw materials,building materials and its commercial value,for wheat become henan local staple food,play a role in the Ming dynasty,played a leading role in the planting structure of grain.Dynasties of Ming dynasty is a foreign communication is open,foreign crops begin to enter the mainland,has some influence on the structure of grain crops at that time,also play a role in the development of the planting of wheat. |
