“十分珍惜和合理利用土地，切实保护耕地”是我国的一项基本国策，民以食为天，食以地为源，保护耕地就是保护我们的生命线。 一、保护耕地对促进经济社会可持续发展具有重要作用 保护耕地是经济可持续发展的有力保障。耕地资源是经济发展中不可替代的要素，是农业生产中最重 “Cherish and utilize land rationally, and earnestly protect arable land” is a basic national policy of our country. People rely heavily on food and food for their land. Protection of arable land is the lifeline of our protection. I. Protection of arable land plays an important role in promoting the sustainable development of economy and society Protection of arable land is a powerful guarantee for sustainable economic development. Cultivated land resources are indispensable elements in economic development and are the heaviest in agricultural production