A kind of detection method of soil humic acid content

A kind of detection method of soil humic acid content

  • CN 106,248,626 A
  • Filed: 10/09/2016
  • Published: 12/21/2016
  • Est. Priority Date: 10/09/2016
  • Status: Active Application
First Claim
Patent Images

1. the detection method of a soil humic acid content, it is characterised in that comprise the following steps:

  • Step 1, gathers the required pedotheque measuring content of humic acid;

    Step 2, by the pedotheque removal of impurity, air-dried, grinding, is finally dried 2h under the conditions of 45-55 DEG C, obtains soil to be measured;

    Step 3, measures the soil to be measured reflectance at 350-2500nm wave band, obtains the reflectance number of 350-2500nm wave bandAccording to;

    Step 4, after the reflectivity data of 350-2500nm wave band is carried out multiplicative scatter correction, uses wavelet de-noising, then carries outSmoothing processing;

    Step 5, extract soil to be measured 500nm, 556nm, 559nm, 560nm, 561nm, 562nm, 1341nm, 1342nm,The reflectivity data of 1343nm, 1413nm, 1424nm, 1425nm, 1426nm, 2093nm wavelength;

    Step 6, the reflectivity data substitution soil humic acid content detection model that will extract;

    Y=28.98904x1-10.24487x2-16.95119x3-15.52339x4-14.64154x5-15.1408x6-59.47598x7-57.51946x8-56.13704x9+72.16309x10+88.56385x11+85.33824x12+83.2752x13-110.1966x14+ 1.77989, calculate the content of humic acid of this pedotheque;

    Wherein, Y is content of humic acid, and unit is g/kg;

    x1

    x2

    x3

    x4

    x5

    x6

    x7

    x8

    x9

    x10

    x11

    x12

    x13

    x14RespectivelyFor soil to be measured 500nm, 556nm, 559nm, 560nm, 561nm, 562nm, 1341nm, 1342nm, 1343nm, 1413nm,The reflectance of 1424nm, 1425nm, 1426nm, 2093nm wavelength.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×