前言 本文所说古农书是广义的,即包括农书以及有关农事记述的其他古籍。由于古今时代不同,风习变迁,古书中记述的农事情况,常常因一字一句的疑难,妨碍对全文的理解。通过不同版本和有关古籍的相互校勘,只能判断其文句的伪误异同,但有的疑难不在此而在刻写 Preface The ancient agricultural book mentioned in this article is broad, including agricultural books and other ancient books on agricultural records. Due to the difference between ancient times and modern times, the vicissitudes of learning styles and the agricultural practices recorded in the ancient books often hinder the understanding of the full text because of difficult problems. Through the mutual collation of different editions and related ancient books, we can only judge the false differences and similarities of their sentences, but some problems are not written here