Agricultural Masters in Ancient Times

The article is ugly, don't buy it! When an agricultural student traveled to the ancient agricultural society of slash-and-burn cultivation, how to change backward farming methods, how to increase land yields, and how to effectively utilize various types of land... In this backward ancient times, he just relied on his rich agricultural knowledge to find a different path. It is an imaginary history. The author has tried hard to research the relevant agricultural knowledge. If there is any discrepancy, please let me know. 2019 Summer vacation new article serialization——<INPUT TYPE=button VALUE=After passing through the book, I became so handsome that the whole world became famous! ***> Recommend a new series of articles (if you can't find it, you can enter the column collection) - After wearing the book, I am so handsome that the whole world is famous! Liu Shiyun, the top scorer in the college entrance examination who is the best in the world, a graduate of the most outstanding university in the Federation, and a consultant expert of the Federal Research Institute of Science and Technology, exploded while driving a mecha in battle, and penetrated the body of a scumbag student with the same name as her. What's even more coincidental is that this scumbag is the cannon fodder female supporting character in a vulgar romance novel, and the heroine Liu Yuehan makes her into a fighter among scumbags. In everyone's eyes, Liu Shiyun, who did all kinds of evil, such as skipping classes and fighting, began to "change his mind" after a group fight, worked hard, and aspired to a top university. Many years later, someone on a well-known forum begged Liu Shiyun for guidance at a high price— Host: Dad Liu, can you see it? 500 Per class, please help! Floor 1: You are so beautiful. I didn't see that last time someone offered a price of one thousand, my father didn't reply. Floor 2: There is an exam tomorrow. I would like to say goodbye to Liu Baba before the exam. Floor 3: Keep up! Worship Liu Baba before the exam, and you will definitely pass every exam! … In this regard, Liu Shiyun said: In my previous life, I was called daddy by all the scumbags in cosmology! [Interstellar Academic Master wears books] The whole world calls me daddy series [Not a pure campus article] Intention:. . .