Patent ID: 11944048
Assignee: CHINA INSTITUTE OF WATER RESOURCES AND HYDROPOWER RESEARCH
Field: Measurement (Instruments)
Classification: CPC A  G | IPC A  G

Claim 3:
4. The decision-making method according to claim 3, wherein
in step S31, the average clay content Clay is calculated according to the following formula:, Clay
    _
   
   =
   
    
     ∑
     
      i
      =
      1
     
     n
    
    
     Clay
     i
    
   
  
  ;
 

wherein, n represents a number of grids contained in each of the low-AWC management zone, the medium-AWC management zone and the high-AWC management zone for measuring the compositions of the separates of the soil, and Clayi represents an average clay content of a soil in a root zone of a crop in an ith grid.