石渣地是由各项基本建设开石料和其它因素破坏山体后剩余的石碴、砂子和土壤组成的,人们往往把它视为劣质地,其实不然。经过几年的实践,收到了可喜的成果:在没有施肥、没有妥善管理的情况下,种植的作物出苗齐整,生长正常,获得了不亚于一般大田的好收成。人们对石碴地改变了原有的看法。后来经过加工施肥改良土壤之后,开始经营种植多种作物,由一年收一季变为两季。经过计算 Gravel is made up of ballast, sand and soil that are left behind by the destruction of the mountain by rock-fill and other elements of capital construction. People often regard it as poor quality, but they are not. After several years of practice, we have received gratifying results: In the absence of fertilization and without proper management, the crops planted in the nursery emerge neatly and grow normally and receive as good a harvest as ordinary fields. People have changed their opinion of ballast. Later, after processing fertilizers to improve the soil, we started to plant and plant a variety of crops, turning it into two seasons from one season to the next. Has been calculated