In the Spring and Autumn Period, Guan Zhong s book Guan Zi Diren has any records

In the Spring and Autumn Period, Guan Zhong's work "Guanzi and Diren" has a record of the "three-point profit and loss method", which is a theory of using mathematical methods to obtain the five-tone, seven-tone scale and twelve laws.

This is the earliest work on geophytophyte ecology and has contributed to the ancient Chinese phytogeography science.

The content seems to be the material of a peasant family in the Warring States period, and the whole text uses different ways to classify different topography, soil, hydrology, and vegetation, expounds the enlightenment idea that there is a certain connection between different topography, hydrology, vegetation, and soil, and pays attention to the situation of animals in the soil.

This is the earliest work on geophytophyte ecology and has contributed to the ancient Chinese phytogeography science.

The content seems to be the material of a peasant family in the Warring States period, and the whole text uses different ways to classify different topography, soil, hydrology, and vegetation, expounds the enlightenment idea that there is a certain connection between different topography, hydrology, vegetation, and soil, and pays attention to the situation of animals in the soil.

"Pipe and Landlord" is the earliest land classification monograph in China. It is one of the "Pipes", referred to as "The Ground Worker".

In the Spring and Autumn Period, Guan Zhong.

There is a record of land classification in the book of Guanzi Diyuan, and Guanzi is the early Spring and Autumn Period of Qi.

Statesman. The book "Guanzi" has a total of 24 volumes, the original 86 articles, and the existing 76 articles, which are generally believed to have been written in the Warring States Period, compiled by some people in the name of the trustees of the period in the name, involving soil geography and plant geography. --Quoted from Encyclopedia.

This work was not completed by one person, the pavilion was the founder of this work, and later generations continued to add new content and knowledge, and the Warring States period finally completed the wisdom of the ancient working people at the municipal level. The ancient land classification is described in detail, the first few chapters are to divide the land into five categories according to the traditional classification method, and the last chapter is land evaluation, the author puts forward his own point of view, the land is divided into three classes and six types, 18 categories.

This work is a geographical work in the early part of Chinese history, and it is important for later generations to study the geography of ancient China.

It has important reference value. Many geographers refer to this book when writing their own geographical works, and they have to refer to this text, and they have to refer to this text, and they have to refer to this text.

and geographical location are described in detail and accurately, which has a guiding role in agricultural production.

This is the earliest work on plant ecology, as early as thousands of years ago, the ancient Chinese working people have had an in-depth study of botany, of course, the main purpose at that time was to expand agricultural production, improve social productivity.

In such an era of wars, mastering agriculture and grain is equivalent to mastering the world.

In the Spring and Autumn periodGuan ZhongThe book is in the chapter of the Pipe GroundmanThree-point profit and loss methodof the record

The three-point profit and loss method of the pipe is the method of the first life law in ancient China. The three-point profit and loss method of the pipe is also known as the "pipe method" because it is the earliest record of the repentance in the "Pipe and Ground Staff", and it is believed that the inventor is the Guan Zhong of the Qi Xiangguo in the Spring and Autumn Period.

The so-called "three-point profit and loss" of the law of the birth is to divide a certain articulation body (string or bamboo pipe) into three sections equally, remove one-third, leaving two-thirds, called "three-point loss of one", which can produce pure fifths above the production hall; Dividing two-thirds into three segments, plus equal thirds, is four-thirds, called "threes plus one", which produces a pure fourth below (i.e., an inversion of a pure fifth above).

The main content of the pipe clerk chapter

The Landman is a treatise on land and its complexes. It comprehensively considers all the natural factors of the land, topography, soil, hydrology, vegetation and human activities, and divides the land of the whole country into three major categories and ten sub-categories of plains, hills and mountains.

The 2222-word chapter of "Landlord" mainly discusses the classification of land in China.

Cultivation involves soil geography and phytogeography. According to the traditional concept of ancient China, the land is divided into five categories: desolate fields (plains), tombs (vine slopes), hills, mountains and forests, and rivers. Then it is divided into categories.

Guan Zhong was the minister of Qi during the Spring and Autumn Period, and assisted Qi Huan Gong to become one of the five tyrants of the Spring and Autumn Period.

Guan Zhong was the prime minister of Qi during the Spring and Autumn Period, assisting Duke Qi Huan to ascend the throne, among which he left a "Guanzi".