解放以前我国土壤科学的发展特点是较早较慢,为什么较早呢?因为土壤科学的发展是与农业生产的发展分不开的,而我国农业具有悠久的历史,由于劳动农民生产实践的创造与累积,远在公元前三四世纪时,就有了土壤分类和土壤地理分布的描述,以及利用改良的经 Before the liberation of China’s soil science is characterized by earlier and slower development, why earlier? Because the development of soil science is inseparable from the development of agricultural production, and our country has a long history of agriculture, due to the creation of labor and peasant production practice And accumulation, as far back as the third and fourth centuries BC, there was a description of the soil classification and distribution of the soil and the use of a modified