2. Economic significance— enhancing economic income
Maintaining food safety and upgrading food quality are of great advantage to promote international export trade，enhance economic returns of state, enterprises and farmers.
Thirdly，protecting ecological environment,namely protect the capability of food sustainable production.
4. Social effect— maintaining social stability
3. Ecological significance — Improving ecological environment
Firstly, making every effort to reduce the application of chemical fertilizer, pesticide, herbicide to farmland,which. can not only reduce agricultural products pollution，but also decrease atmosphere, water and soil pollution, and play great importance in protect biodiversity;
5. Political significance — nation’long period stability
International aspect: our nation is a developing agricultural great Power. ensuring food quantity safety is the political needs of defending state sovereignty and safety, insteading of another country's control in the international.
Secondly, practising cleaner production in all steps and nonproduction for pre-production—during production—post production, going to the way “Cyclic Economy ” ；
二、 The important significance for ensuring our national food safety
1. Living significance — Enhancing life-quality
Edible safety, Nutrition, High quality food， guarantee people's life safety and life-quality
——The basal standard of food quantity safety
——The safety standards of food without toxic and hazardous materials, or the poisonous substances content dose not exceed specified standards
——indicating food productive resource, environmental and ecological safety，i. e. ensuring food safety of quality and quantity, there ought to be corresponding resource, environmental and ecological safety as guarantee
“Food be god to the people，safety take priority of food”. “Well fed,well bred”（food quantity safety）、“be well fed” （food quality safety）and “eating healthy”（safety of the capability of sustainable production），people can live and work in peace and contentment，settle down to produce. society can be safety, stabilization. the world can be peaceful and tranquility.
农业资源与环境专业
单/击/此/处/添/加/副/标/题/内/容
第八章 农业资源利用与粮食安全
第八章 教学目的
弄清粮食安全的基本涵义与保障措施 了解粮食安全与农业资源利用的关系 熟悉农业生态建设与粮食安全的关系
Section 1 The great strategic significance for ensuring our nation of food safety
Food safety
(Extensive meanings) (Narrow meanings) （Extensive meanings）
Food quantity safety Food quality safety
Safety of food sustainable production capability