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Field measurement of soil element concentration

  • US 10,488,363 B2
  • Filed: 10/03/2017
  • Issued: 11/26/2019
  • Est. Priority Date: 10/03/2017
  • Status: Expired due to Fees
First Claim
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1. A system for measuring soil element concentration in an agricultural field as the system moves through the agricultural field, comprisingan extraction apparatus coupled to a mobility component configured to move the system through the agricultural field,the extraction apparatus configured to receive a plurality of soil samples in succession, from different locations in the agricultural field, from a soil probe coupled to the mobility component, while the mobility component is operating,the extraction apparatus containing an extractant solution that is a solvent of the plurality of soil samples;

  • andthe extraction apparatus comprising a mixer that is configured to mix the plurality of successively collected soil samples with the extractant solution, thereby forming a solution mix;

    a chemical sensor coupled to the extraction apparatus, the chemical sensor configured to measure a concentration level of a soil element in the solution mix;

    a processor coupled to the chemical sensor, the processor configured to calculate a concentration level of the soil element in each of the plurality of soil samples after the soil sample is received by the extraction apparatus and before a successive soil sample is received by the extraction apparatus.

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