What Qi Min wants to summarize is

Jia Sizhen, Yidu people in the Northern Wei Dynasty. Born in a generation of farming scholars, the ancestors liked reading and learning, especially the study and research of agricultural production technology knowledge, which has a great impact on Jia Sizhen's life. Although his family is not very wealthy, he has a large collection of books, so that he has the opportunity to read a lot of books from an early age, and learn all aspects of his knowledge, and he will lay down the foundation for his later compilation of Qi Min Yao Shu. On the official career, he once worked as an official in Gaoyang County, and has been to many places in Shandong, Hebei, and Henan. Everywhere he visits, he attaches great importance to agricultural production, carefully examines and studies local agricultural production techniques, and consults with experienced farmers to obtain a lot of agricultural production knowledge. After middle age, he returned to his hometown, began to operate agriculture and animal husbandry, personally participated in agricultural production labor and grazing activities, had a personal experience of agricultural production, and mastered a variety of agricultural production techniques. During the second year of the Northern Wei Dynasty Yongxi and the Eastern Wei Dynasty, he analyzed, sorted and summarized the agricultural technical materials accumulated in many ancient books, the rich experience of the old farmers, and his own personal experience. The masterpiece of agricultural science and technology, Qi Min Yao Shu.

The time for "Qi Min Yao Shu" was written in the 1930s and 1940s, and its appearance was not accidental, but had a certain background of the times and objective conditions. Before the Northern Wei Dynasty, northern China was in a long-term split-splitting situation. After more than one hundred years, Tuoba of Xianbei established the Northern Wei regime and gradually unified the northern region. The social order gradually stabilized and the social economy followed. Gradually recovered from the devastating scene of depression and developed. The series of reforms implemented by Emperor Xiaowen of the Northern Wei Dynasty in terms of social economy have stimulated the development of agricultural production and promoted social and economic progress. Despite this, agricultural production at that time has not yet reached a high level and needs further development. Jia Sizhen believes that the level of agricultural science and technology is related to whether the country is rich and strong, so he has the idea of ​​writing a farm book.

The rule of the ruler, the flourishing of agricultural production, also provided a convenient condition for Jia Sizhen to write a farm book. During his official stay, Jia Siyu has been to many places in Shandong, Hebei and Henan. Everywhere he pays great attention to agricultural production, he has personally engaged in agricultural production practices, carried out various experiments, raised livestock and planted food. Jia Sizhen not only pays attention to personal practice, but also is good at learning from experienced farmers and absorbing the valuable experience of the working people in their long-term production and life.

"Qi Min Yao Shu" is a summary of the previous generation's experience, combined with the production knowledge and experience and experience of agricultural production from the experienced old farmers, carefully analyzed, systematically summarized, summarized and finally completed. This great work of Qi Min Yao Shu.

"Qi Min Yao Shu" consists of three parts: preface, miscellaneous and text. A total of 92 articles, divided into 10 volumes. 110,000 words; the text is about 70,000 words, and the notes are about 40,000 words. In addition, there are also one chapters of “Self-Order” and “Miscellaneous” in front of the book. The “Preface” is widely quoted as examples of the importance of agriculture, such as the sages of the sages and the people of insight, as well as the remarkable results achieved by focusing on agriculture. It is generally believed that the part of the miscellaneous is added by future generations.

The book is very rich in content, including a wide range of crops, the cultivation of various crops, the production of various economic forests, and the use of various wild plants. At the same time, the book also details the various poultry, livestock, fish, silkworms, etc. Feeding and disease prevention, and the processing of agricultural and sideline products and food processing, stationery and daily necessities production are all included. Therefore, "Qi Min Yao Shu" is of great significance to Chinese agricultural research.

"Qi Min Yao Shu" is the earliest and most complete agricultural book in China

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The weather is sunny, it is the night frost

Awkward age, near the solar terms, Yitiantian

Ploughing

Wet farming, it is better to return

It’s better to plough than to slash

In February and March, the planter is Zhihe, and in April and May, the species is

The year is like a valley, ten years is like a tree

In the sputum, it is not supported.

In September and mid-October, in the south of the wall in the sun, the pit is deep, four or five feet deep. Take the kind of miscellaneous vegetables, you have to go through the winter, you have to take it, and it is not the same as Xia Lai.