Patents by Inventor Yiji Quan

Yiji Quan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11582922
    Abstract: A method for promoting germination of underground buds and growth of new-born root systems of ratoon sugarcane is to cut stubbles based on a depth survey of the stubbles of the ratoon sugarcane, particularly including steps of: for a ratoon sugarcane field after mechanical harvesting, cutting the stubbles with a sugarcane stubble cutting machine, and remaining underground stubbles of 5-7 cm after cutting; for a ratoon sugarcane field with manual harvesting, cutting the sugarcane with a hoe, and remaining underground stubbles of 10-12 cm after cutting, so as to realize sugarcane cutting and stubble cutting in one step; thereafter, applying fertilizers and pesticides, and hilling up, wherein the underground buds of the stubbles are controlled to be distributed 10-15 cm below ground after hilling up; and finally conducting whole film mulching. The present invention is advanced and practical, and easily used and promoted.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: February 21, 2023
    Assignee: Sugarcane Research Institute, Yunnan Academy of Agricultural Sciences
    Inventors: Jun Deng, Yuebin Zhang, Shaolin Yang, Xian Fan, Jingmei Dao, Rudan Li, Yiji Quan
  • Publication number: 20200196542
    Abstract: A method for promoting germination of underground buds and growth of new-born root systems of ratoon sugarcane is to cut stubbles based on a depth survey of the stubbles of the ratoon sugarcane, particularly including steps of: for a ratoon sugarcane field after mechanical harvesting, cutting the stubbles with a sugarcane stubble cutting machine, and remaining underground stubbles of 5-7 cm after cutting; for a ratoon sugarcane field with manual harvesting, cutting the sugarcane with a hoe, and remaining underground stubbles of 10-12 cm after cutting, so as to realize sugarcane cutting and stubble cutting in one step; thereafter, applying fertilizers and pesticides, and hilling up, wherein the underground buds of the stubbles are controlled to be distributed 10-15 cm below ground after hilling up; and finally conducting whole film mulching. The present invention is advanced and practical, and easily used and promoted.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 25, 2020
    Inventors: Jun Deng, Yuebin Zhang, Shaolin Yang, Xian Fan, Jingmei Dao, Rudan Li, Yiji Quan