The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2026
Filed:
Oct. 22, 2024
Institute of Environmental Protection Research and Monitoring, Ministry of Agriculture and Rural Affairs, Tianjin, CN;
Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, CN;
Jie Li, Tianjin, CN;
Guilong Zhang, Tianjin, CN;
Yan Xu, Tianjin, CN;
Lili Wang, Tianjin, CN;
Xinxiu Wang, Beijing, CN;
Houyu Li, Tianjin, CN;
Yungui Zhang, Beijing, CN;
Jianning Zhao, Tianjin, CN;
Abstract
Disclosed is a method for assessing nitrogen leaching risk based on farmland soil pressure, including the following steps: acquiring soil drilling pressure data from a plurality of soil layers of different depths on soil to be tested using a soil drilling device, to obtain raw soil drilling pressure data; comparing a calibration curve with a raw soil drilling pressure curve; setting an interquartile range (IQR) coefficient based on a first fluctuation factor and a second fluctuation factor, and constructing a box plot of the raw soil drilling pressure data based on the IQR coefficient; and determining a peak soil drilling pressure according to the box plot of the raw soil drilling pressure data, and determining nitrogen leaching risk according to a depth interval of soil layer. The box plot is utilized to filter out abnormal values, ensuring the accuracy of assessing the nitrogen leaching risk in soil.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile