农业是国民经济的基础,粮食是基础的基础.增产粮食,一方面要精耕细作,努力提高单位面积产量,一方面要开垦荒地,扩大耕地面积;同时,在工业生产、基本建设等方面,还要注意节约和合理使用土地,做到地尽其利,不浪费一寸土地. 基本建设大量使用的砖瓦,绝大多数是用粘土烧制的.在各大、中、小城市郊区和广大农村, Agriculture is the foundation of the national economy, and food is the foundation of the foundation. To increase grain production, on the one hand, intensive cultivation is necessary, and efforts are made to increase the output per unit area. On the one hand, it is necessary to cultivate wasteland and expand the area of ​​arable land. At the same time, in terms of industrial production, basic construction, etc., Pay attention to saving and rational use of land, and do everything in your power, without wasting an inch of land. The vast majority of bricks used in the capital construction are fired from clay. In suburbs of large, medium and small cities and in rural areas,