FOOD security of the population and the fight against poverty and malnutrition, as well as the well-being of health, have become one of the priorities of all countries, and world
1.Luo Ping, who lived from 1733 to 1799, was perfectly placed by time and circumstance to view the shifts in fortune that were so prominent in China at that period. He grew up in Yangzhou, a prosperous city on the Grand Canal, just north of the Yangzi River, which linked the capital at Beijing with the prosperous commercial and intellectual hubs of Suzhou and Hangzhou. At the