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Soil nutrient extraction method using pressurized hot water

  • US 5,974,899 A
  • Filed: 12/05/1997
  • Issued: 11/02/1999
  • Est. Priority Date: 12/05/1997
  • Status: Expired due to Fees
First Claim
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1. A method for extracting nutrients from a soil sample comprising the steps of:

  • passing water heated to a temperature of at least 90°

    C. through the sample under a pressure of at least 2.0 bar; and

    collecting the water passed through the sample so that any nutrients transferred from the soil to the water may be subsequently analyzed.

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