我国土地辽阔,历史悠久,大自然为我们提供了多种多样的条件,这就使得我们的祖先能够在长期的农业生产斗争中运用他们的勤劳和智慧,取得多种多样的成就和经验。这些成就和经验,反映在我国古农书里,就显得异常丰富多彩。以时间来说,早在二千二百多年以前的先秦时代,我国已经有了农业专著。以地域来说,从塞北到岭南,从西域到东海,到处都有适合于当地风土时令的农业记 Our country has vast land and a long history. Nature provides us with a variety of conditions. This enables our ancestors to utilize their hard work and wisdom in the long struggle for agricultural production and to make a great variety of achievements and experiences. These achievements and experiences, reflected in the ancient book of ancient China, it is unusually rich and colorful. In terms of time, as early as 2,200 years ago in the pre-Qin era, China already had agricultural monographs. Geographically speaking, from Saibei to Lingnan, from the western region to the East China Sea, there are agricultural records