The bet365 horse racing odds books recorded before the Song Dynasty mainly focused on northern dryland bet365 horse racing odds technology，Represented by "Essential Art of Qi Min"；Paddy field bet365 horse racing odds technology in southern Song Dynasty became the most important content of bet365 horse racing odds books in Song Dynasty，Represented by Chen Min’s "Nongshu"，At this time, traditional Chinese agronomy comprehensively summarized China’s bet365 horse racing odds production technology。It is usually regarded as a sign of maturity of a discipline when it begins to pay attention to its own issues such as subject scope，The Song Dynasty began to understand and expand the scope of traditional bet365 horse racing odds subjects，Incorporating horticulture into the agronomic pedigree has become a “Consensus”，"Dividing Trivial Records" and other books can lead to livestock husbandry、Certified that flowers and fruits are listed in "bet365 horse racing odds Science"。Although Chen Zhensun regarded the score as "ldquo;The root cause of the disease is also the disease”，But still attach it to "Farmhouse Category"。"Jun Zhai Shu Zhi" written in the early Southern Song Dynasty，The first edition (four volumes of Shu edition) follows the "New Book of Tang"，But for the first time, tea books are included in the farm category。It can be said that people in the Song Dynasty greatly expanded their understanding of the scope of bet365 horse racing odds subjects，Almost the same as today。In the early Yuan Dynasty, "Nongsang Ji Yao" was mostly based on previous generations，Although the Complete Book of bet365 horse racing odds Affairs in the Ming Dynasty is a comprehensive work，But it is only a synthesis based on the bet365 horse racing odds science of the Song Dynasty (and before)，Establish a new technical system with Song Dynasty、Opening up new research fields is different，The "bet365 horse racing odds Policy Complete Book" uses Western experimental methods to study agriculture，It has shown the decline of traditional agriculture。

(Source: "Research on the History of Natural bet365 horse racing odds" 2011 Issue 1Song Hui/pick)