中國植物種類異常豐富(單高等植物就有284科,2,500餘屬,二萬餘種),其中有很多有用的種類很久以來就被勞動人民利用和研究。約在四千年以前,我們就有了相當發達的農業,“詩經”這部古代勞動人民的詩歌,很生動地描寫了當時的農業生產情况,提到了二百種以上的植物。“禹貢”很概括地叙述了各個地區的土壤和特產有用植物。 漢代以後,有關農業和植物學的工作更代有增多,後漢時已發明了區種法、浸種法和間作的 There are exceptionally abundant plant species in China (284 families, 2,500 genera, and 20,000 species of single higher plants). Many useful species have been used and studied by working people for a long time. About four thousand years ago, we had developed agriculture. The poem of the ancient working people in the Book of Poetry vividly described the agricultural production at that time and referred to more than 200 kinds of plants. “Yugong” is a very general description of the soil and specialty plants in each region. Since the Han Dynasty, the work on agriculture and botany has been more and more increased. In the late Han Dynasty, the method of regional planting, seed soaking and intercropping