On the countermeasures of groundwater protection and food safety protection china north area

摘要

Groundwater is an important water supply source in the northern part of China and many cities, and it is also an essential factor to maintain the regional ecological environment. China since 1972 began large-scale development of groundwater resources. By 2014, the amount of groundwater mining in China has exceeded 110000000000 m~3, after the United States, India, ranking third in the world. In China's 31 provinces, the main groundwater over 6 provinces (He Bei, He Nan, Shan Dong, Xin Jiang, Gan Su, Hei Long Jiang) are located in the north of China, these 6 provinces of groundwater exploitation accounted for about 41% of the country, 6 provinces have accounted for about 30% of the total amount of these provinces. However, irrigation is a very important factor in the production of grain production, and it has irreplaceable foundation support and guarantee function, to ensure food production, water resources is the lifeblood. We are the choice of Shandong Province involving groundwater over exploitation of city as an example and analysis to 2020 in groundwater security at the same time, to ensure grain production measures.